Select Your Ride

1
2
3

PROX Piston Kit 01.2020.025

Part Number: PX4191
PROX
(No reviews yet) Write a Review
SKU:
PX4191
MPN:
01.2020.025
Condition:
New
Availability:
Ships Same Business Day
Weight:
0.63 LBS
On Sale
MSRP: $99.95
Now: $85.00
Was: $99.95
— You save $14.95
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

A piston kit is the foundation of reliable engine performance—worn or damaged pistons compromise compression, efficiency, and durability. The PROX Piston Kit 01.2020.025 delivers OEM-equivalent quality with precision engineering, making it an ideal choice for rebuilds, restorations, or high-mileage engine refreshes. You get a complete solution with pistons, rings, wrist pins, and circlips, eliminating the need to source components separately.

  • High-silicon aluminum alloy
  • Meets/exceeds OEM specs
  • CNC-machined tight tolerances
  • Japanese manufacturing quality
  • Complete kit contents
  • Includes compression rings
  • Includes wrist pins
  • Includes circlips
  • OEM replacement fitment
  • Engine rebuild ready
View AllClose

Specs

BORE SIZE METRIC:
64.25 MM
ENGINE TYPE:
2-STROKE
PRODUCT NAME:
PISTON KIT
RIDING STYLE:
ATV
PISTON SIZE METRIC:
+0.25 MM
RIDING STYLE:
STREET
PISTON DIAMETER METRIC:
64.25 MM
PISTON MATERIAL:
ALUMINUM ALLOY
UNITS:
EACH
View AllClose

0 Reviews

View AllClose

Fitment

Fitment for PROX Piston Kit 01.2020.025

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