Select Your Ride

1
2
3

Wiseco Piston Kit for 2001-2005 Polaris 800 RMK 85mm Bore SK1315

Part Number: SK1315
WISECO
(No reviews yet) Write a Review
SKU:
SK1315
MPN:
SK1315
Condition:
New
Availability:
Ships Same Business Day
Weight:
2.74 LBS
On Sale
MSRP: $490.95
Now: $336.00
Was: $490.95
— You save $154.95

Ships from Manufacture | Call to Order (231) 767-5055

Prop 65 Warning Prop 65 Warning cancer & reproductive harm Price Match Call for more info on price match does not include 3rd party ads
Frequently bought together:

Description

When you're pushing your 2001-2005 Polaris 800 RMK to its limits, factory pistons won't cut it. The Wiseco SK1315 piston kit delivers the strength and thermal stability needed to handle sustained high RPM running without sacrificing reliability. This complete rebuild solution gives you everything required for a professional-grade top-end refresh that'll keep your sled performing at peak output.

Wiseco engineered this kit specifically for extreme snowmobile conditions. The high-silicone forged aluminum construction resists deformation under heat stress, while the precision ring design ensures proper cylinder sealing and combustion efficiency. You get the pistons, rings, wrist pins, circlips, and gasket kit—no guesswork, no missing components.

  • 85mm bore diameter
  • High-silicone forged aluminum
  • Superior thermal stability
  • Complete rebuild kit included
  • Precision-matched ring design
  • Durable wrist pins & circlips
  • Top-end gasket kit included
  • Fits 2001-2005 Polaris 800 RMK
  • Wiseco part number SK1315
  • Bolt-on installation
View AllClose

Specs

PISTON DIAMETER METRIC:
84.85 MM
BORE SIZE METRIC:
85.00 MM
COOLING SYSTEM:
LIQUID COOLED
MODEL:
PRO-LITE
PRODUCT NAME:
REBUILD KIT
RIDING STYLE:
SNOW
TYPE:
TOP END
SKIRT COATING:
ARMORGLIDE®
BORE - OVERSIZE:
STANDARD
BORE - OVERSIZE METRIC:
STANDARD
DISPLACEMENT:
794 CC
ENGINE TYPE:
2-STROKE
PISTON MATERIAL:
4032 ALUMINUM ALLOY
STROKE LENGTH METRIC:
70.00 MM
UNITS:
KIT
View AllClose

0 Reviews

View AllClose

Fitment

Fitment for Wiseco Piston Kit for 2001-2005 Polaris 800 RMK 85mm Bore SK1315

View AllClose

FREE Shipping on orders of $99 or more!


Commercial Accounts

We offer tax-free commercial accounts, providing businesses with significant savings and streamlined benefits.



Easy 30-Day Returns

We proudly offer 30-day easy returns, ensuring a hassle-free and convenient shopping experience for our customers.


You May Also Like

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER