Compression reduced and so is horsepower. It is a widely held belief that the OEM pistons are too small from the factory and this is where the issues lie. BOTH ADDING PERFORMANCE AND RELIABILITY TO YOUR ENGINE! This makes a TRUE major engine overhaul and ensures all parts are This is a full top end kit that is essentially an install and go kind of kit. The Pistons are lighter and more balanced. Once you have the kit installed.. YOU ARE DONE!! If it has 1500 miles or more, you're in need of this kit! The REV 1 kit closer to 9HP and the REV 2 can get 16-18HP BUT will require an aftermarket pipe. -Cylinder with a fresh replate and HG7 hone: (Cylinder number is cast on the mag (recoil) side of the cylinder), -OEM Replacementpiston kitwith ring end gap already set, -Full top end gasket kit: exhaust, inner o-rings, base gaskets set to the cylinder length of your new cylinder, Note: As of 11-16-22 All Top End Kits will have a High Silicon Content OE Replacement Piston, Prices are subject to change without notice, due to part cost changesand avaialability. Website By, Polaris 2017-2022 Complete Bottom End Engine Rebuild Kit, 15-18 Ranger 500, 15-20 Ranger 500 Prostar, Compete Rebuild Kits, Complete Rebuild Kits, Crankshafts & Connecting Rods, Crankshafts & Connecting Rods, Polaris, Ranger Models, 1996-2014 Polaris 500 Master Engine Motor Refresh Kit, 01-13 Sportsman 500, 96-13 Ranger 500, Complete Rebuild Kits, Complete Rebuild Kits, Complete Rebuild Kits, Complete Rebuild Kits, Complete Rebuild Kits, Crankshafts & Connecting Rods, Crankshafts & Connecting Rods, Crankshafts & Connecting Rods, Crankshafts & Connecting Rods, Crankshafts & Connecting Rods, Cylinders & Piston Components, Cylinders & Piston Components, Cylinders & Piston Components, Cylinders & Piston Components, Cylinders & Piston Components, Polaris, Ranger 500 Fuji, Ranger Models, Scrambler Models, Sportsman 500 Fuji, Sportsman Models, 14-17 Sportsman, RZR, Ranger 700-800 Core Tear Down, 07-15 Ski-Doo 800R E-tec/P-Tek Core Tear Down. Description Polaris 2013-2016 PRO RMK 800 Complete Top End Rebuild Kit Upgraded replacement pistons with molly coated skirts for better break-in Standard Bore Replacement Pistons Includes the Following Parts: - STD Bore Upgraded Piston Kit - Complete Top End Gasket Kit - Wrist Pin Bearings I am having flash backs of the 90's with your long post and good info Hahahaha. Comes complete with Straightline's premier weight tuning kit that uses either magnets, or complete nut and washers for a more precise tuning. Join Waitlist. NO FUEL Controller required!! 2016 dodge grand. guidelines. 10lbs boost 100LL. These new pistons are made from stronger alloy to reduce skirt collapse over time. THIS KIT IS THE REAL DEAL!!!! $599.95 In stock SKU BMP-P800DK Durability kit fits all year 800 CFI & AXYS 800 CFI HO motors Custom designed taller pistons have less piston slap Rings have been spaced apart for better cooling Pistons have a .020" wrist pin offset to take the load off the intake side Forged pistons are more durable and collapse less than factory pistons Your Name There are yet no reviews for this product. Performance parts and accessories for Polaris PRO RMK 800. The old setup when idling the coolant temp would gradually climb of course and continue to climb without hesitation. The 2016-2020 800 is an amazing motor. NOTE: ALL pistons come with Rings, Wrist Pin, and Circlips! Performance parts and accessories for Polaris PRO RMK 800. So, doing a compression check will not yield any relevant information regarding the health of your PISTON SKIRTS. Yes, this piston is much lighter than the OEM piston and having a lighter piston will reduce piston side load pressures AND reduce the stress on the crank! It may not display this or other websites correctly. Hey Kelsey. Free shipping. Both very different in design and performance. Axys-Stage 3. If your vehicle is currently supported with online ordering, you will be redirected to the brand specific website. We have measured 100's of these cylinders and NONE of them have been out of spec! ", "Did a RZR 900 to 1000 conversion and Scott was able to spec all the correct parts including some key upgrades to make the power I was looking for. Put my drop in kit in today, nice stuff. POLARIS 800 AXYS CFI ENGINE DURABILITY REBUILD KIT W/ CRANKSHAFT 2016-18. We also have cores for those that dont have one. New. MCB Performance has expanded our Stage Engine Kits to now include POLARIS! We designed Gas Ports into our piston These are small ports that allow oil film from the underside of the piston through the piston to help lubricate high load areas. Please be aware of "CLAIMS" that the OEM cylinders are over-sized from the factory!! No more "SLOPPY" OEM piston with poor piston geometry. EPI Clutch Kits and Drive Belts are the #1 aftermarket choice by more dealers, racers and enthusiasts. , For over 2 years, I have been purchasing snowmobile engine parts and accessories from your company, MCB Performance. Many people now know that the stock pistons are just too short and wear out too fast. Most machines will lose 20-30 lbs of compression after just 1500 miles of riding which causes a loss in performance. If running 0-5000' you must run an SLP Reflash Tuner Part #70-800. Add to cart. DennyMoto. TOP END OVERHAUL. Great tech assistance throughout the process. C $542.55 + C $67.83 shipping. Crankshaft is stroked from 70 mm to 74 mm. Carburetor Repair Kit's; Used Snowmobile Parts; Used Dirt Bike Parts; Used ATV Parts; Tools; Other; Seller feedback (215) a***c (810) - Feedback left by buyer a***c . When I replaced the stock ones, they were due - skirt clearance was at limit, some ring flaking. Many people ask how our Durability Kits compare to everyone else's. This Larger T-Stat allows for much cooler running and better performance. It would have required a HUGE final bore machining/boring error for this to happen again, this is a clever gimmick to try and sale you something! If you need to order only 1 piston, Please call the shop to order. We have continued to grow and expand our product lines and further fine tune our Pistons and thermostat, OE oiling check valves, Enough tubing to replace all the oil lines with premium grade non- The addition of the spacer under the cylinder also lifts cylinder intake shirts up out of the reed window reducing intake restriction and resulting in more power during high airflow demand at high RPM. Overview & Specs Instructions & Support Designed to Fit Hoods-Side Panels. Includes a 1 year warranty Upgraded replacement pistons with molly coated skirts for better break-in What You Get: - New Crankshaft Assembly - Upgraded Molly Coated Pistons We have found it common to see the piston to cylinder wall clearance DOUBLE in less than 1000 miles.. Instruction Sheets: POLARIS 800 RMK PRO AXYS FIX IT KIT. We have been designing our own pistons since 2005. If cylinder needs replating then Price is $4495 or $3400 us approx. Customers wanted a simple few choices to match what they needed Snowmobile Product L-R. Running Boards-Airframe. We believe in these kits and recommend them along with using in our own machines . Trued. Entdecke 21 Polaris Axys Switchback 850 Belt Cover 42Q in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! These gaskets are not part of the piston ONLY kit but are available in the options. The kits come complete with a very precise baseline that rarely needs to be changed. I've currently got a very close friend that has a 2016 ZR 8000 that has given him fits since he bought it with 750 Miles on it at the end of 2019. Array $995.00 Snowmobile Make: Model: Rev: Year: Head Color: Altitude: Elevation Unit will be used NOTE: This will address the issues associated with the OEM pistons! NOTE: ALL pistons come with Rings, Wrist Pin, and Circlips! ECU reflash from your phone! We ONLY stock the AXYS Billet Head that uses the larger T-Stat. You want a dyno report from DynoTech Research Click on the link below, DYNO REPORT on REV 2 Kit- (2014 800)(<--clicky). Because we are all about reliability, we make sure all 2015 cylinders get the threaded water passage just like the 2016 and up! $3695 cdn. You are using an out of date browser. 82 sold. BAR NONE! Please ship to our 920 Pine Street Address, Skip to the beginning of the images gallery, Durability kit fits all year 800 CFI & AXYS 800 CFI HO motors, Custom designed taller pistons have less piston slap, Rings have been spaced apart for better cooling, Pistons have a .020" wrist pin offset to take the load off the intake side, Forged pistons are more durable and collapse less than factory pistons, Lubrication holes in the skirt of the piston designed to lengthen piston skirt life, Gains 6-7 horsepower and even more for motors down on compression, A must-have for motors with over 1500 miles on stock pistons, CAN USE A POWER COMMANDER OR TORQUE LINK TUNE AS WELL FOR BETTER RUNABILTY. - Completely remanufactured crankshaft with all new components, bearings, new drive gear and seals. OE seals. ", The guys at MCB have always been great to deal with and seem to always have the parts in stock , I really appreciate Matt and his staff taking the time to answer all of my questions over the phone similar to what a good parts-counter person would do at a respected dealership. Reliability is NOT compromised in any way, shape, or form and the cost is VERY affordable. Primary Drive Clutch 1323614 For Polaris 800 RMK AXYS Indy RUSH SWITCHBACK 2020. . Seller: roulandmotorsport (326) 97.4%, Retail is over $2000.00 Buy it now for only $1699.95 Kit Includes everything in the Photo: Rebuilt OEM Polaris Crankshaft 2-New Wiseco Forged Pistons/Rings 2-Wrist Pins/4 C-Clips 2-Wrist Pin Bearings Base Gasket Water Pump Rebuild Kit Mechanical Water Pump Seal Spacer Plate 8-Cylinder Bolts Note: PTO & MAG Seals are not included please send message if needed It's a known fact that the Polaris 800 twin engine from 2008-current has some serious issues that if not now, will eventually need to be fixed. Due to the added case volume, you will see a 2-3 HP gain! - YouTube 0:00 / 19:10 POLARIS 800 RMK PRO AXYS FIX IT KIT. New. Please see below to learn more about our solution! $49.88. No core, no problem. IT IS NOT due to a rod ratio error! Browse parts by selecting your vehicle type. 2016 2017 2018 2019 Also find that annoying vibration is gone with these pistons.. You know how the PRO likes to "shake" at low idle? Stage 3 - This kit includes everything in our Stage 2 kit, PLUS completely remanufactured and properly Pre-Owned. "Real people with real experience and Professional! Complement the outstanding performance of your sled's 800 Cleanfire engine with the convenience of electric start. If you're able to do the work yourself, just plan on replacing the pistons. Genuine MCB Stage-2 rebuild kit for ALL 2013-2020 Polaris 800's. ______________________________________________________________________________________. There is NO DOUBT that this mod is the best mod for the money you can do. end including Pistons, Rings, Pins, Clips, and a Complete gasket set. For this reason, adding extra lubrication with the fuel will also help extend piston life. You and all employees have great customer service, and knowledge of the products sold., "I am the owner/operator of Mountain Powersports in Central Point, OR and I use MCB pistons as an OEM replacement in most of my customers' engines and have very good luck with the product. While there are some "What were they thinking" aspects of this engine.. in OUR opinion the rod ratio is not one of them.. Arctic-PRO, Pro-Cat, Polcat, Arctis, There's more ways to skin a 1300. POLARIS 800 AXYS Cfi Engine Durability Rebuild Kit W/ Crankshaft 2016-18 - $2,217.50. What You Get: Rev6 offers quality parts that are proven to last. Las mejores ofertas para PRIMARY DRIVE CLUTCH REBUILD KIT BUSHINGS POLARIS INDY RMK 600 700 800 850 900 estn en eBay Compara precios y caractersticas de productos nuevos y usados Muchos artculos con envo gratis! The Polaris CFI 800 engine really benefits from a better piston and an engine port timing adjustment. FINDINGS: We find that the OEM Polaris Piston will NOT hold its form after a very short time of running. Even when brought up to 4500-5500 rpm the temp would slowly climb to 140F. Enjoy and Safe Riding! NOTE:RKTTop end gasket kit is comprised of the Base Gasket, Y -Pipe Gasket, Exhaust Valve Gaskets (Non-HO ONLY), and Inner Compression O-rings. This helps provide extra lubrication on the intake side of the piston. This is Dusty from Owatonna that brought you the messed up primary this fall. Polaris Patriot 850 Dual Ring Direct Replacement Pistons, RKTTop end gasket kitis comprised of the Base Gasket, Y -Pipe Gasket, Exhaust Valve Gaskets (Non-HO ONLY), and Inner Compression O-rings. Using multi step process to precision hone the cylinder to allow a better finish than any OEM for extended the ring and piston life. This highly detailed manual is very useful and contains everything you need to repair . 155 track Extras: Boondocker turbo, was a race kit built for backus racing, with tunnel dump B-pwr 36" front end Exit shocks all round set up for 200lb rider AXYS 800 H.O. ______________________________________________________________________________________________. See the "HG7 cylinder finish" section to the right for more details on why you should want the HG7 finish. Turbosmart. 4. It is SOLELY related to excessive piston to cylinder wall clearance! The relatively short rods and pistons have been the cause of the short life of the stock pistons and rings. Besides the skill and experience, it takes a lot of balls to "personally" warranty any motor for 3yrs in this sport. Weengineered our Pistons .250" taller than stock to reduce fatigue on piston skirts due to rod angles. - Completely remanufactured crankshaft with all new components, bearings, new drive gear and seals. Big Bore Cylinder Kit - 61006-K01 Cylinder Works $1155.56 Part #: 1402198 Mfg Part #: 61006-K01 Standard 93mm Bore Cylinder Kit - CW60007K01 Cylinder Works $751.16 Part #: 1402206 Mfg Part #: CW60007K01 Standard Bore 93mm High Compression Cylinder Kit - CW60007K01HC Cylinder Works $888.76 Part #: 1402207 Mfg Part #: CW60007K01HC 1/2 litre of semi synth oil in full tank fresh fuel. Show details. Due to the added case volume, you will see a 2-3 HP gain! The Stage 3 package from SLP is a solid setup for any natural aspiration snowmobile enthusiast! These reports are posted for all Dyno Tech Subscribers to view. Rev6 offers quality parts that are proven to last. Classic series pistons or MCB Forged series pistons. This Fly Blitz Jacket with Speedwerx Logos is guaranteed to make anyone look good! NO GIMMICKS HERE! US $239.98. How many miles do you have on your sled? Phone: 250-769-4702 Name* Email* Comments Security Code* Send To A Friend Recommend this product to friends by entering up to four email addresses. The stock 800 CFI motor runs a piston that is a total height of 2.885". POLARIS 800 CFI-2, CFI-4COMPLETE ENGINE DURABILITY REBUILD KIT2016-2018800 Axys, 800 Dragon, 800 323454969454 The RK Tek Pistons were a full 27 grams lighter and exactly the same weight to the gram. Killer parts, always goes together well and their Tech is the best!". BEST PART: NO AFTERMARKET PIPE is needed! This kit reduces weight by 13 lbs. I had to put another one in it at 2600 miles. RZR General RANGER Sportsman ACE Indian Motorcycle Slingshot Our kit features custom made Wiseco forged pistons. Includes pistons, rings, circlips, wrist pins, cylinder bolts, cylinder spacer, longer alignment pins, & 2 base gaskets. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright . Item #: 23430550 Price: $799.95 See Details MCB Engine Kit Stage-2 Crankshaft & CAST DUAL-Ring Piston Kit 800 RMK 2000-2005 Will Polaris extend warranty due to stop ride order on 2022 sleds?? Copyright 2008-2023 PicClick Inc. All Rights Reserved. ", "Sent both mine and my wifes etecs to Scott and the guys at MCB, outstanding service, and they both run flawless", "Had MCB build 2 engines this last fall and with over 1500 trouble-free on each miles I couldnt be happier", "Sent my 2012 Etec 800 to MCB and glad I did. Brand new HPR PTO crankshaft end for all 2015-2019 Polaris 800 AXYS 324358275021. All cylinders from us have the HG7 hone, which really make your pistons and rings last alot longer. We have found it common to see the piston to cylinder wall clearance DOUBLE in less than 1000 miles.. Can I ask you a couple of questions about pistons and bores? Super high amount watching. Skip to content . The Fix Kit. No "gimmicks" that claim to address the issues but really do nothing. 3. Rev6 offers quality parts that are proven to last. Clutch Kits; Clutch Rebuild Parts; Clutch Springs; Clutch Tools; Drive Belts; Helixes; Ski-Doo/Lynx. We've been in business for almost 30 years developing world-class CVT Clutch Kits. I agree with Dan on this. NOTE: The REV 2 kit was designed to give near 100% full lower skirt support for the piston. I'm gonna try for some more info lol. Learn More Add to Cart Speedwerx Hypershift Helixes// 2020-2022 Polaris RZR PRO XP / Turbo R $129.95 Buy in monthly payments with Affirm on orders over $50. Make no mistake Just need a muffler and clutching and your good to go. Turned the oil pump up one full turn and running 91 octane on the non eth resistor. Group 1 - cast OEM Polaris factory Pistons Group 2 - cast SPI factory import copy Group 3 - cast SPX factory import copy Group 4 - cast Kimpex factory import copy Group 5 - cast OEM Arctic 800 converted for Polaris Group 6 - cast prox factory copy 2016-20 Polaris AXYS 800 RMK Clutch Kit with Adjustable Weights. Polaris Patriot 850 Dual Ring Direct Replacement Pistons. You do NOT have to treat these pistons any different (in any way, shape or form) than your stock piston! 2016 POLARIS PRO RMK 800 AXYS CAPACITOR, 22000 MICRO (Fits: 2016 Polaris Pro RMK 800) $39.99 Free shipping 2016 POLARIS PRO RMK 800 AXYS RIGHT SIDE PANEL (Fits: 2016 Polaris Pro RMK 800) $179.99 Free shipping Weengineereda wider ring land between the rings to reduce ring temperature. I also believe MCB Performance offers quality items at very reasonable prices. All Rights Reserved. Sold Out. I think we should rename it to the Triple Threat! This kit WILL outperform ANY other "Bolt On" product you can buy for this engine! Register on our forums to post and have added features! The MTNTK "FIX KIT" or "DURABILITY KIT" is the proven solution to the piston failure that is common in the 2008 to 2014 POLARIS 800 engine. Piston side loading is reduced due to our unique piston's weight. You do NOT have to treat these pistons any different (in any way, shape or form) than your stock piston! Will come with spare quick drive belt and spare clutch belts. The RK Tek Pistons address this issue 100%! BAR NONE! For the best experience on our site, be sure to turn on Javascript in your browser. 2016 POLARIS PRO RMK 800 AXYS QUICK DRIVE BRAKE ROTOR / DISC DISK. Good luck finding that these days. Some of these items ship sooner than the others. This is our most popular kit and it's a great deal as a package. This is about the bottom end which you may have seen a few of lol. Includes a 1 year warranty, Upgraded replacement pistons with molly coated skirts for better break-in, *Pictures are standard! JavaScript seems to be disabled in your browser. Your head cools so efficiently that i never could get the temp over 133F it would just sit there. No core, no problem. This kit REQUIRES a core cylinder from you. $ 1,443.99. The RK Tek Pistons were a full 27 grams lighter and exactly the same weight to the gram. For 3 relays shipped fed-ex overnight for $29 Screw Polaris and there $30 a relay!! Quantity. This piston WILL address the issues associated with the OEM Piston! We also have cores for those that dont have one. learn more, 801-489-8697 C $132.07. Please see below to learn more about our solution! The addition of the .250" spacer under the cylinder corrects cylinder volume for the 800 CFI/CFI HO resulting in more efficient power. NOTE: This is VERY importantThese pistons have a VERY unique design criteria. - Completely Remanufactured Polaris OEM 2208745 crankshaft with all NEW wear-components, Polaris OEM bearings, ne Genuine MCB Stage-2 rebuild kit for ALL 2008-2010 Polaris 800's. With our custom piston geometry, the porting is altered resulting in huge HP and Torque gains! (14.5 lbs on RMK, RMK Assault and SKS models) and provides an additional 12.4 horsepower increase over stock. The kit simply addresses the issues associated with the stock (OEM) Piston. Type. Top Rated Seller Top Rated Seller. Total price: Add all three to Cart. Comprend tout ce dont vous avez besoin pour remplacer les roulements et les joints sur votre Arbre de transmission ou arbre intermdiaire . If you have an account, sign in with your email address. All kits are available with the MCB Classic series pistons or can be ordered with the MCB Fix Kit Replacement Piston . SKU: PCK-216 Categories: . Yes, these fit the new HO Engine.No "gimmicks" that claim to address the issues but really do nothing. Reliability is NOT compromised in any way, shape, or form and the cost is VERY affordable. Headlight Delete Kits. These are available with MCB -Sahen Skinner, WARNING:Cancer andReproductive Harm-www.P65Warnings.ca.gov, High Flow Intake Kit for 600/800/850 Axys Chassis. 2016 2017 2018 Polaris 800 Piston kit Switchback Pro RMK fix it durability kit (0) Reviews: Write first review SKU: 23430220 CYLINDER IS OPTIONAL THIS KIT INCLUDES FORGED MCB DUAL RING PISTONS! The REAL issue is that the OEM piston does not REMAIN in spec after use. Can't wait for good snow now. Each kit includes information sheets with info on how to properly break in your new top end. See More. Be a Subscriber. It has great horsepower gains, awesome weight loss, and a cost thats sure not to drain your wallet! Creating an account has many benefits: check out faster, keep more than one address, track orders and more. With our multi step process and torque plates we use in the CNC hone we can produce a much smother finish, and a much straighter bore being precise down to the ( tenth ) ..0001. Extensive testing in our state of the art facility has allowed us to produce huge power gains that come with great dependability. Premium quality rotating kit Polaris 800 Axys, Rush, RMK, Pro-R, RMK Pro, Switchback assault. As you know MCB Performance has been focused on providing the finest engine components for many Some people install longer rods but doing so decreases power and costs much more. Engine Kits are designed and assembled by our Master engine technicians You can NOT get this kind of power AND address an internal engine problem anywhere else for this low of price! _______________________________________________________________________________________. Our CUSTOM pistons (Direct replacement, Drop In, AND Big Bore) are CUSTOM designed! The added crankcase volume even produces 6 more horsepower so your engine life is extended dramatically while gaining power at the same time. or as low as $84.00/mo with. Mine had a fix it kit when I got it at ~1800 miles. Trued and inde Best engine rebuild kit Polaris 800 Rush, RMK, Pro-R, RMK Pro, Switchback assault. Please note: Most parts are now available for purchase online, but as always you can also purchase them at your local dealership. Call anytime to hear more about this great upgrade, Check out what one customer (who is actually a Polaris Mechanic/Service Manager) had to say after an install, "Hey Kelsey. This reduces the stress on the piston and rings dramatically. For more information on the details of the cylinder core charge please see the "core return information section to the right for more details. The kit comes with two new Teflon coated pistons, rings, wrist pins, circlips, longer cylinder bolts, our machined spacer, longer dowel pins, and two base gaskets. This piston is designed UNLIKE any other piston out there! Serious HP (12HP (Rev-1 Kit) (20HP Rev-2 Kit) is realized and the reliability IMPROVED for a very small cost! They are also lighter than the OEM Piston and that will help with the acceleration from a stop. ALl CFI-4 engines will require a fuel controller. Smooth. Our custom piston HOLDS its tolerances.. Can't say that for many of the other kits.. 2016 axys 800 with boondocker turbo. On this sled also all the annoying vibrations and 3000rpm death-shake are gone. On all models, we recommend pre-mixing your fuel at 100:1 in the tank when possible. Awesome Dan! Location: Minneapolis, Minnesota, US, Polaris PRO-R Drop In Kit 2011-2015 CFI 800. 600 SWITCHBACK PRO-S, 700 FUSION/DRAGON, 800 DRAGON IQ, 800 DRAGON SWITCHBACK, 800 INDY SP, 800 IQ, . No fueling changes required above 5000. Excellent communication, 2 week turn around and it runs better than when I bought it new! On this sled also all the annoying vibrations and 3000rpm death-shake are gone. $1,595.58 This package features a SLP Single Pipe Set and SLP Power Dome Billet Heads and an SLP Reflash Box (for elevations below 5000' only). This is the LEAST EXPENSIVE and BEST option for addressing this issue!! IT IS NOT due to a rod ratio error! Kit de roulements et de joints d'arbre d'entranement All Balls (arbre infrieur - piste) pour 2009 Polaris SNO 600 IQ/ES/ES EuroCables augmentera les performances du dmarreur en rduisant les pertes de tension des cbles sous-dimensionns. The Pro R is a pain. of material 6-wheel independent suspension maximizes traction Integrated front storage box has 6. . 326+ items sold. in the works. The piston we use is VERY CUSTOM! This is simply a sales "gimmick". Each kit includes information sheets with info on how to properly break in your new top end. When that time comes, or if you want to ensure your engines durability today, install our new Engine Durability Kit! Tried 2 of the "other" brands of Durability kits both lasted less than 100 miles. Always insightful, and sharing your info and findings through tons of research, testing, trial and error You're a huge asset to our sport!!! 2. We find that the OEM Polaris Piston will NOT hold its form after a very short time of running. Adjustable Boost. No tuner box. In fact, we designed this kit to run on the oxygenated fuel (Ethanol) and still use the NON-ETHANOL factory resistor!! For optimum performance it also includes a SLP Power Shift Clutch Kit. ", "Second RZR Engine kit I've purchased from MCB. Nov 30, 2019 #4 Ol' Skool Active VIP Member Joined Sep 9, 2010 Messages 168 Reaction score 28 Location Edmonton I was lucky enough to own 2 Axys 800's (SKS 155 and a Assault 155). The OEM Polaris piston is 100% in spec and the proper size when new in the box! BMP 2010 Dragon/RMK 800 Bolt-On Performer Kit, BMP 2008-2009 Dragon/RMK 800 Bolt-On Performer Kit, Sending in cylinder for honing? Polaris Axys RMK 800 turbo kit. SKU:GS4606190.. - Completely remanufactured crankshaft with all new components, bearings, new pump drive gear and seals. The store will not work correctly in the case when cookies are disabled. In other words.. your piston can LOOK perfect but MEASURE out of spec. He just called me and says he's done. Yes, that's right, RK Tek draws results from "real world" testing, 1245 Industrial Park Rd.Preston, ID 83263 Phone: 208-852-3221, Copyright 2017 RK Tek - All Rights ReservedCreated by Mountain West Web Design. Anything else you think i should know bud shoot me a pm when you get a chance, i know your flat out. "Wanted to thank Scott for the extra technical direction. We have measured 100's of these cylinders and NONE of them have been out of spec! ____________________________________________________________________________________________________. What would be the difference between the OEM pistons for that motor and the axys pistons?