New to Powersport Superstore? Try our Year-Make-Model search and find the right parts for your ride by clicking "My Garage" on the upper-right! ➡

Pro-X 01.1338.C Piston Kit (C) - Standard Bore 77.99mm, 12.9:1 Compression

SKU: 4798529

Pro-X 01.1338.C Piston Kit (C) - Standard Bore 77.99mm, 12.9:1 Compression

Pro-X
$173.20
$173.20 $199.02
Sale Sold out
/
Shipping calculated at checkout.
In stock and ready for shipping
This is a pre order item. We will ship it when it comes in stock.
Bore: 77.99mm
Compression: 12.9:1 Compression
Sizing: Standard Bore

Excellent economic alternative when you are looking for an OEM quality replacement piston. Mainly manufactured in Japan by reputable Original Equipment Manufacturers to ProX exact specifications and high quality standards. Sleeved cylinder piston kits are available in standard size and a Wide range of oversizes. Plated cylinder piston kits come in standard size, as well as in A, B, C and D oversizes if available. ProX leads the industry in cast and forged pistons made specifically to replace OEM parts. Comes complete with pistons, piston rings, wrist pin and circlips.

Vehicle Fitment:

2004-2007 Honda CRF250R
2004-2009 Honda CRF250X
2012-2013 Honda CRF250X
2015-2017 Honda CRF250X
Secure, Trusted, and Encrypted

Protected by industry-leading 256-bit SSL encryption and backed by Shopify’s PCI DSS–compliant infrastructure. Every page, click, and transaction is encrypted and monitored for threats — so you can shop with confidence knowing your data stays protected.

Parts for Every Machine

We stock aftermarket parts, gear and accessories for motorcycles, ATVs, UTVs, snowmobiles, personal watercraft, and even performance cars — all backed by expert support and live inventory.

Real-Time Fitment Accuracy

Search by Year, Make, and Model with confidence. Our proprietary vehicle fitment system ensures you’re only shown what fits — no guesswork, no returns — just parts that fit.

Fast, Trackable Shipping

We ship from over 20 U.S. warehouses — often same or next business day. Every order includes tracking and transparent fulfillment updates from start to finish, all processed through a secure, encrypted checkout.

Quick Links

Ride With Us. Stay Connected.

Follow us for real-time fitment updates, gear drops, and pro tips from the garage. No spam, just parts, tech, and news for riders like you.

Your Garage

Add a Vehicle