Select Your Ride

1
2
3

WSM Top-End Rebuild Kit - Original Series - Standard 010-821-20

Part Number: 01082120
WSM
(No reviews yet) Write a Review
SKU:
01082120
UPC:
865369060818
MPN:
010-821-20
Condition:
New
Availability:
Ships Same Business Day
Weight:
4.50 LBS
$357.62
Prop 65 Warning Prop 65 Warning cancer & reproductive harm Price Match Call for more info on price match does not include 3rd party ads

Description

When your engine's internals show wear, a quality top-end rebuild kit is the most cost-effective path to restoring power and reliability without a complete engine overhaul. The WSM Original Series delivers OEM-grade components that work together as a complete system, eliminating the guesswork of sourcing individual parts and ensuring proper tolerances across all critical surfaces. Whether you're servicing a high-mileage engine or preparing for competition, this kit gives you the precision hardware needed to run strong.

What's Included:

  • Forged piston assemblies
  • Compression rings
  • Wrist pins
  • Retaining clips
  • Racing needle bearings
  • Head gasket set
  • Base gasket set
  • Intake manifold gaskets
  • Exhaust manifold gaskets

Technical Specifications:

  • MPN: 010-821-20
  • Series: Original Standard
  • Application: Top-end only
  • Fitment: Vehicle-specific
  • Installation: Bolt-on assembly
  • Material: OEM-grade steel, aluminum
  • Includes: Complete gasket set
View AllClose

Specs

TYPE:
TOP END
UNITS:
EACH
BORE - OVERSIZE:
STANDARD
BORE - OVERSIZE METRIC:
STANDARD
PISTON MATERIAL:
ALUMINUM
BORE SIZE METRIC:
80.00 MM
MODEL:
ORIGINAL SERIES
PRODUCT NAME:
REBUILD KIT
RIDING STYLE:
WATERCRAFT
View AllClose

0 Reviews

View AllClose

Fitment

Fitment for WSM Top-End Rebuild Kit - Original Series - Standard 010-821-20

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