then you have come to the right place! ECU reflash from your phone! 1. We offset our wrist pin .020" towards the exhaust side to reduce skirt loading during the power stroke. Enjoy and Safe Riding! MCB Performance has expanded our Stage Engine Kits to now include POLARIS! There IS a problem with the pistons . ____________________________________________________________________________________________________. $721.04. This core charge is in place to be sure that we receive good useable core returns.Upon arrival of your core cylinder it will be cleaned and inspected things that could considered a core deduction would be busted cylinder tabs that will need to be repaired normally a low core deduction, If the cylinder received damage in shipping that may be external(damage will be assessed as cist if repairs), a cylinder that is cracked into the water jacket and cannot be repaired would be a total loss of core. Some of the add-ons on this site are powered by, Snowmobiles: Brands, Performance & Modifications. MUCH Smoother running at ALL RPM.. Piston side loading is reduced due to our unique piston's weight. I know since 2008 the Polairs 800 Small block has cause a flurry of this question Mr. Dan. Array $995.00 Snowmobile Make: Model: Rev: Year: Head Color: Altitude: Elevation Unit will be used Creating an account has many benefits: check out faster, keep more than one address, track orders and more. Register on our forums to post and have added features! It is a widely held belief that the OEM pistons are too small from the factory and this is where the issues lie. Serious HP (12HP (Rev-1 Kit) (20HP Rev-2 Kit) is realized and the reliability IMPROVED for a very small cost! 4. POLARIS 800 CFI-2, CFI-4COMPLETE ENGINE DURABILITY REBUILD KIT2016-2018800 Axys, 800 Dragon, 800 323454969454 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! THIS is the #1 reason behind these cylinder failures associated with the Polaris Engine!! TOP END OVERHAUL. 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 . The RK Tek Pistons were a full 27 grams lighter and exactly the same weight to the gram. Reliability is NOT compromised in any way, shape, or form and the cost is VERY affordable. If cylinder needs replating then Price is $4495 or $3400 us approx. Can't wait for good snow now. Report this . When exiting curves, pickups are strong and without any hesitation. Legacy Product Instructions Quickly Navigate to your Legacy Product: Control Box Installation and Operation: Naturally Aspirated Snowmobile Control Box (Fuel/NO2) Turbocharged Snowmobile Control Box Turbocharged UTV Control Box Turbocharged Snowbike Control Box Electronic Boost Controller Adjustable Actuator Turbo Kit Installation These kits are available for just about every conceivable engine out there with more Add to cart. Bikeman Performance. Stage 4 - This is MCB's most complete kit and comes with all of Stage 3 plus the following, OE Fix Kit Replacement Piston . 10lbs boost 100LL. What an amazing difference. Our CUSTOM pistons (Direct replacement, Drop In, AND Big Bore) are CUSTOM designed! CALENDARIO ESCOLAR . Skirt collapse happens usually WITHOUT any scoring or visual appearances on the piston. Less Stress = More longevity and more power! https://www.ronniesmailorder.com/oemparts/a/pol/5a3a5cf987a8660eb45e7c92/engine-cylinder-all-options, https://www.ronniesmailorder.com/oemparts/a/pol/5a3a5ced87a8660eb45e7c80/engine-cooling-system-all-options. . The old setup when idling the coolant temp would gradually climb of course and continue to climb without hesitation. 6000ft + $ 399.95 CAD: CA$544.25 EUR: 379.19 SEK: 4,202.35 Skr NOK: Nkr4,154.92 GBP: 334.93 The most tunable and precise kit on the market for your Polaris. This is a full top end kit that is essentially an install and go kind of kit. Since the injector sprays that side of the pistons, the fuel washes the oil off. Membership levels include a. JavaScript is disabled. These gaskets are not part of the piston ONLY kit but are available in the options. SKU:GS4606190.. On this sled also all the annoying vibrations and 3000rpm death-shake are gone. The standard honing practice used by most re-plating companies is out dated .Nicasil silicon carbide cylinders are much to hard for the aggressive finish used on old cast iron cylinders. Genuine MCB Stage-2 rebuild kit for ALL 2013-2020 Polaris 800's. "Wanted to thank Scott for the extra technical direction. Polaris 800 CFI 12HP or 20HP Drop In Kit Polaris 800 CFI 12HP or 20HP Drop In Kit 2008-Present (AXYS ALSO) POLARIS 800 CFI 12HP or 20HP "Drop In" Piston/Head Kit 2 DIFFERENT KITS TO CHOOSE FROM. JT2JZ 1.56K subscribers Subscribe 72 Share Save. I am having flash backs of the 90's with your long post and good info Hahahaha. real person to place the order or ask any questions while rebuilding your engine. Your head cools so efficiently that i never could get the temp over 133F it would just sit there. 2016 axys 800 with boondocker turbo. PRIMARY . POLARIS 800 AXYS Cfi Engine Durability Rebuild Kit W/ Crankshaft 2016-18 - $2,217.50. This is Dusty from Owatonna that brought you the messed up primary this fall. If you have any questionscall us anytime we're here to help. What You Get: Rev6 offers quality parts that are proven to last. Brand new HPR PTO crankshaft end for all 2015-2019 Polaris 800 AXYS 324358275021. Free Shipping on all Domestic Orders International will use Ebay Global Shipping Here at Northern Crankshafts we have been in the Power Sports Business for over 36 years and have seen it all, this kit meets our HIGH E xpectation level of product quality. POLARIS 800 CFI-2, CFI-4 COMPLETE ENGINE DURABILITY REBUILD KIT 2016-2018 800 Axys, 800 Dragon, 800 Assult, 800 RMK Hassle Free, Helping you SAVE MONEY and TIME!! Ships to: US, MX, DE, JP, The key to this kit is the taller pistons we developed which allow less piston rock. You do NOT have to treat these pistons any different (in any way, shape or form) than your stock piston! Hoods-Side Panels. Sold Out. Both very different in design and performance. Many people now know that the stock pistons are just too short and wear out too fast. ", "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. They will NOT fail unless they are subjected to a low fuel or high heat condition! TOP END OVERHAUL. NOTE: This REV 2 kit WILL require a fuel controller (Boondocker OR Power Commander) AND will require aftermarket reeds (Boyesen or Vforce) AT any elevation BELOW 3500ft. - Completely remanufactured crankshaft with all new components, bearings, new drive gear and seals. When that time comes, or if you want to ensure your engines durability today, install our new Engine Durability Kit! 2 sold, 3 available. The truth is that the OEM piston's tolerances are in spec, they just don't stay there. New. 600 SWITCHBACK PRO-S, 700 FUSION/DRAGON, 800 DRAGON IQ, 800 DRAGON SWITCHBACK, 800 INDY SP, 800 IQ, . All Rights Reserved. Website By, Polaris 2011-2012 PRO RMK 800 Complete Top End Rebuild Kit, 11-12 Pro RMK 800, Complete Rebuild Kits, Cylinders & Piston Components, Polaris, Snowmobile Models, Polaris 2008-2016 PRO Dragon RMK Replacement Piston Kit, 08-10 Dragon 800, 11-12 Pro RMK 800, 13-15 Pro RMK 800, Cylinders & Piston Components, Cylinders & Piston Components, Cylinders & Piston Components, Polaris, Snowmobile Models, 14-17 Sportsman, RZR, Ranger 700-800 Core Tear Down, 07-15 Ski-Doo 800R E-tec/P-Tek Core Tear Down. 2017+ Polaris RZR-XP1000/XP4-1000 & RS-1 Spring Kits $860 2014-2016 Polaris RZR XP1000/XP4-1000 Spring/Crossover Kit $860 Polaris Turbo-S Shock Upgrade $2,200 SLED SHOCKS View all Polaris Snowmobile Shocks From $250 Velocity Series From $425 WALKER LINKS - SET OF 2 $405.00 Quantity Add to Cart Full details Share NEW LEGEND II UTV WHEELS NEW APPAREL The Durability Kit includes a cylinder spacer that raises the cylinder the same amount as the piston is taller so port timing isn't changed. We, purposely, designed this kit to perform using the components! Here are the Polaris part numbers and parts fiche link you need to do the conversion for the larger T-Stat, Fiche # 1: https://www.ronniesmailorder.com/oemparts/a/pol/5a3a5cf987a8660eb45e7c92/engine-cylinder-all-options, Fiche #2: https://www.ronniesmailorder.com/oemparts/a/pol/5a3a5ced87a8660eb45e7c80/engine-cooling-system-all-options, ________________________________________________________________________________________________. Free shipping. For this reason, adding extra lubrication with the fuel will also help extend piston life. Have a good one man. I'm gonna try for some more info lol. If you have an account, sign in with your email address. Due to the added case volume, you will see a 2-3 HP gain! Anything else you think i should know bud shoot me a pm when you get a chance, i know your flat out. We believe in these kits and recommend them along with using in our own machines . There is no RPM change with this kit. ALl CFI-4 engines will require a fuel controller. Polaris Axys RMK 800 turbo kit. In 2016 we completely upgraded our Engine Build program and it has already paid off with countless They will NOT fail unless they are subjected to a low fuel or high heat condition! learn more, 801-489-8697 We also have found that the ,annoying, low RPM vibration (handle-bar "death shake") is gone with the install of these pistons. learn more, 801-489-8697 . US $239.98. This item: Polaris Snowmobile Key Operated Electric-Start Kit. The spacer plate is made from precision ground aluminum which we nickel plate. C $100.47. components we use in our Engine program in a COMPLETE package so they can have a plug and play Even when brought up to 4500-5500 rpm the temp would slowly climb to 140F. The Stage 3 package from SLP is a solid setup for any natural aspiration snowmobile enthusiast! BAR NONE! 2016-20 Polaris AXYS 800 RMK Clutch Kit with Adjustable Weights. When that time comes, or if you want to ensure your engines durability today, install our new Engine Durability Kit! Thank you Eric ! Super high amount watching. Once you have the kit installed.. YOU ARE DONE!! 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 Remember this, VERY IMPORTANT, a compression check will tell you little to nothing about the health of your skirts. For more information on the details of the cylinder core charge please see the "core return information section to the right for more details. sized cylinders (or monoblock). $3695 cdn. 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. I also believe MCB Performance offers quality items at very reasonable prices. Will come with spare quick drive belt and spare clutch belts. This makes a TRUE major engine overhaul and ensures all parts are Truthfully some other companies' kits do work; however, none of them have engineered all the features that we offer. 2016 Polaris Industries 800 Pro-RMK 163 3 in Grande Prairie 08/02/2023 Nice low km electric start 163. It is SOLELY related to excessive piston to cylinder wall clearance! Our kit features custom made Wiseco forged pistons. Seller 99.7% positive. FUEL (NOT COOLANT) is the #1 cooling agent for ANY Engine (important to remember) and this engine has none! If you're able to do the work yourself, just plan on replacing the pistons. USA & International; Australien; Kanada; Frankreich; __________________________________________________________________________________________________________________________________. FINDINGS: We find that the OEM Polaris Piston will NOT hold its form after a very short time of running. Your head cools so efficiently that i never could get the temp over 133F it would just sit there. Even when brought up to 4500-5500 rpm the temp would slowly climb to 140F. This kit is the Real Deal. Overview & Specs Instructions & Support Designed to Fit Put my drop in kit in today, nice stuff. Be a Subscriber. Location: Minneapolis, Minnesota, US, HPR CRANKSHAFT PTO End 15-19 Polaris AXYS CFI 800 600R Race Sled Rush Pro X RMK - EUR 179,06. -Sahen Skinner, WARNING:Cancer andReproductive Harm-www.P65Warnings.ca.gov, High Flow Intake Kit for 600/800/850 Axys Chassis. 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 kit REQUIRES a core cylinder from you. This is our most popular kit and it's a great deal as a package. Polaris 2877883 OEM VES Full Synthetic Oil, 1 Gallon. Sled rips, turbo kit has been flawless. BOTH ADDING PERFORMANCE AND RELIABILITY TO YOUR ENGINE! We stand behind our new and remanufactured parts with a 1-yr warranty. These are available with MCB Primary Drive Clutch 1323614 For Polaris 800 RMK AXYS Indy RUSH SWITCHBACK 2020. Learn more. Includes a 1 year warranty, Upgraded replacement pistons with molly coated skirts for better break-in, *Pictures are standard! You must log in or register to reply here. Finally used MCB's kit and have over 500 on this kit!, WAY smoother running! In fact, we designed this kit to run on the oxygenated fuel (Ethanol) and still use the NON-ETHANOL factory resistor!! What would be the difference between the OEM pistons for that motor and the axys pistons? So i have an 11 assualt rmk. Rev6 offers quality parts that are proven to last. BEST PART: NO AFTERMARKET PIPE is needed! FOR SALE! NOTE: This is VERY importantThese pistons have a VERY unique design criteria. Engine Type: Liberty Displacement: 795 cc Bore x Stroke: 85 x 70 mm Cylinders: 2 Engine Cooling: Liquid with Bypass Carburetion: 2 Cleanfire Injection Ignition: . OE seals. On all models, we recommend pre-mixing your fuel at 100:1 in the tank when possible. All kits are available with the MCB Classic series pistons or can be ordered with the MCB Good seller with good positive feedback and good amount of ratings. BAR NONE! This helps provide extra lubrication on the intake side of the piston. thermostat, OE oiling check valves, Enough tubing to replace all the oil lines with premium grade non- This helps provide extra lubrication on the intake side of the piston. POLARIS 800 AXYS CFI ENGINE DURABILITY REBUILD KIT W/ CRANKSHAFT 2016-18. Sleds always been well maintained. Put my drop in kit in today, nice stuff. Last edited: Feb 8, 2018. "I'm a believer now. The piston we use is VERY CUSTOM! Part number is CM1-R12V same as the stock one. DennyMoto. SKU: PCK-216 Categories: . Customers wanted a simple few choices to match what they needed Piston side loading is reduced due to our unique piston's weight. LOOKING fine and MEASURING fine are 2 VERY different things.. You MUST MEASURE the piston in order to determine if the piston is "GOOD". $8,100.00 2016 POLARIS PRO RMK AXYS 800 163" 2.6" Strathcona County 07/02/2023 Home Products Polaris 2016-2018 Polaris Axys 800 Master Engine Motor Rebuild Kit. Running Boards-ProTube. Weengineereda wider ring land between the rings to reduce ring temperature. There IS a problem with the pistons . See the "HG7 cylinder finish" section to the right for more details on why you should want the HG7 finish. I highly recommend their dual ring cast pistons as an OEM replacement in any snowmobile engine!". Some of these items ship sooner than the others. Primary Drive Clutch 1323614 For Polaris 800 RMK AXYS Indy RUSH SWITCHBACK 2020. . They are also lighter than the OEM Piston and that will help with the acceleration from a stop. Last year we heard loud and clear from our customers wanting the exact same quality Using multi step process to precision hone the cylinder to allow a better finish than any OEM for extended the ring and piston life. Made In America Custom Polaris 850/ 9R Complete Crankshafts. You are using an out of date browser. Great tech assistance throughout the process. For the "Cheater Head" option none of this applies. 2016 POLARIS PRO RMK 800 AXYS QUICK DRIVE BRAKE ROTOR / DISC DISK. We, REALLY, do address the OEM piston design issues with this kit. 1/2 litre of semi synth oil in full tank fresh fuel. Extensive testing in our state of the art facility has allowed us to produce huge power gains that come with great dependability. The Polaris factory piston is great quality vs others that say there better? THIS is the #1 reason behind these cylinder failures associated with the Polaris Engine!! Just need a muffler and clutching and your good to go. years. NEED HELP? 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. NOTE: The REV 2 kit was designed to give near 100% full lower skirt support for the piston. 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! Our engine durability kit was designed to last. 2016-2022 RZR 1000 Stage 3 Performance Clutch Assembly. Wossner Pistons - Unmatched forged piston quality compared toany other manufacturer. While we can not address ALL the issues we see with this engine we can address a very big one in the piston design.. and that is what we have done with this offering. The most tunable and precise kit on the market for your Polaris. You can have a BROKEN off lower skirt and the compression reading will not change! GIVE US A CALL: (715)483-3003, We recommend turning up your oil pump 1 turn on non-HO (Axys) motors. Clutch Kits; Clutch Rebuild Parts; Clutch Springs; Clutch Tools; Drive Belts; Helixes; Ski-Doo/Lynx. Comprend tout ce dont vous avez besoin pour remplacer les roulements et les joints sur votre Arbre de transmission ou arbre intermdiaire . Since the injector sprays that side of the pistons, the fuel washes the oil off. POLARIS 800 AXYS CFI ENGINE DURABILITY REBUILD KIT W/ CRANKSHAFT 2016-18. So, doing a compression check will not yield any relevant information regarding the health of your PISTON SKIRTS. Good work!!!! Browse parts by selecting your vehicle type. 2007-2016 Polaris Switchback RMK IQ dragon Rush 800 heel primary clutch weights. $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 Smooth. 2016-20 Polaris AXYS 800 RMK Clutch Kit with Adjustable Weights. The REAL issue is that the OEM piston does not REMAIN in spec after use. Have a good one man.Thank you,", RK Tek is located in Preston, Idaho and is owned and operated by Kelsey and Rex (hence RK). If you have any questionscall us anytime we're here to help. happy customers. The relatively short rods and pistons have been the cause of the short life of the stock pistons and rings. Other companies use Wossner but they are not the same design as ours. The stock pistons were 3 grams different in weight. These pistons are the BEST piston available on the market today! Description Description 2016-2018 Polaris Axys 800 Master Engine Motor Rebuild Kit New Rev6 crankshaft with forged rods, Better index and runout than factory! 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 Pre-Owned. Snowmobile Product S. Ski Guards. For the best experience on our site, be sure to turn on Javascript in your browser. Our engine durability kit was designed to last. On this sled also all the annoying vibrations and 3000rpm death-shake are gone. engine kit for the do-it-yourselfers. Array $460.00 Snowmobile Make: Model: Year: Options: (Choose One or More) Wrist Pin Bearings (Pair) +$45.00 Team Rooster Weights +$210.00 Boondocker Controller Box +$455.00 Power Commander Controller Box +$495.00 Top Rated Seller Top Rated Seller. Opens in a new window or tab. 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. 4300km on mine before it needed a rebuild. These gaskets are not part of the piston ONLY kit but are available in the options. Join our email list and receive exclusive online offers! Item: 323454969454 This is a full top end kit for 2015-Current AXYSPolaris 800snowmobile. - '15-17 If you are looking for the best performance products on the planet for your AXYS 800 H.O. How does it compare to the competitors? Menu. If running 0-5000' you must run an SLP Reflash Tuner Part #70-800. C $180.54. You can NOT get this kind of power AND address an internal engine problem anywhere else for this low of price! We do have the correct crankshaft available for the Axis engines and will come with your kit*, Copyright 2020 REV 6 ENGINES. We need the core returns as speedy as possible if a core return is not shipped back within 30 days of purchase it may result in deduction or loss of core return. Stage 2 - This kit takes Stage 1 and adds a complete ready to drop-in Crankshaft kit. Two kits are offered. Polaris Patriot 850 Dual Ring Direct Replacement Pistons. After MANY tear-down and inspections, these kits have PROVEN to be solid and, more importantly, to fix the issues that are associated with running the OEM piston. Our inspections show that the stock piston has several "short-comings" that can lead to failure. If you are ordering cheater heads, we will need to have your OEM heads to make the modifications. SKU:SD2692910 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. We also use titanium nitride coted rings for faster break-in and longer life. Our kit features custom made Wiseco forged pistons. So, it extremely safe on bad gas! Show details. We find that the OEM Polaris Piston will NOT hold its form after a very short time of running. Their service is great and prices affordable. Mine had a fix it kit when I got it at ~1800 miles. NOTE: Price is for 2 pistons. 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. This Fly Blitz Jacket with Speedwerx Logos is guaranteed to make anyone look good! 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. For this reason, adding extra lubrication with the fuel will also help extend piston life. US $239.98 2015 SwitchBack 600 Adventure 2016 SwitchBack 800 Adventure 2015 SwitchBack 600 Pro S SKU# 2881055 2016 SwitchBack 600 Pro S Backcountry riding is about finding deep snow and carving your own path. Use tab to navigate through the menu items. ZU VERKAUFEN! We also include a complete set of eight longer cylinder bolts and two longer dowel pins. stock reeds work fine but the aftermarket reed systems will work better! We also have cores for those that dont have one. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright . IT IS NOT due to a rod ratio error! AXYS 800 H.O. Polaris PRO-R Drop In Kit 2011-2015 CFI 800. The pistons come with new wrist pins and c-clips. SPI Piston Rings For POLARIS 800 AXYS PRO RMK/LE 2017-2019 85.00MM Standard Bore. Turbosmart. External Wastegate. NO FUEL Controller required!! There are yet no reviews for this product. hardening line, a tube of very specific case sealant, and full instructions including torque values and Yes, this piston is lighter than the OEM piston and having a lighter piston will reduce piston side load pressures AND reduce the stress on the crank! No fueling changes required above 5000. The old setup when idling the coolant temp would gradually climb of course and continue to climb without hesitation. These 9 groups of 10 sleds all get a fresh rebuilds All get brand new OEM cylinders. If you plan to keep your Polaris, you better get your Durability Kit shipped out today! NOTE: ALL pistons come with Rings, Wrist Pin, and Circlips! Type. Item #: 23430550 Price: $799.95 See Details MCB Engine Kit Stage-2 Crankshaft & CAST DUAL-Ring Piston Kit 800 RMK 2000-2005 Performance parts and accessories for Polaris PRO RMK 800. Awesome Dan! 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. I had to put another one in it at 2600 miles. Each kit includes information sheets with info on how to properly break in your new top end. 2.6% negative feedback. POLARIS 800 RMK PRO AXYS FIX IT KIT. 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. There are yet no reviews for this product. It gave me all the confidence in my 900 rebuild! No more "SLOPPY" OEM piston with poor piston geometry. If running 0-5000' you must run an SLP Reflash Tuner Part #70-800.
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