Prox Piston Kit for 250cc 4-Stroke Engines

Enhance your motorcycle's power and reliability with the Prox 250cc 4-stroke piston kit. Engineered for maximum durability and precise fitment, this kit ensures optimal engine performance for demanding riders.

Description

Designed specifically for 250cc 4-stroke engines, the Prox Piston Kit (Standard Size B) is the ideal choice for rebuilding or upgrading your motorcycle's powerplant. This high-performance kit features a precision-machined piston crafted from a low expansion, low friction alloy, ensuring consistent operation and extended lifespan even under extreme conditions. With a bore size of 78.00 mm and a piston size of 77.97 mm, it provides a standard fitment with a robust 12.5:1 compression ratio, delivering crisp throttle response and enhanced power output. Each kit is meticulously assembled to guarantee precise fitment, minimizing wear and maximizing efficiency. The comprehensive package includes the high-quality piston, a durable wrist pin, essential circlips, and a complete set of high-performance piston rings, making your engine rebuild straightforward and reliable. Experience superior engine dynamics and lasting performance with this expertly engineered piston solution.

Features & Highlights

• Engineered for Optimal Performance: Designed for maximum durability, precise fitment, and superior engine performance in 250cc 4-stroke applications.
• High-Strength Construction: Features a piston made from a low expansion, low friction alloy, ensuring consistent operation and extended engine life.
• Complete Rebuild Kit: Includes a precision-machined piston, robust wrist pin, secure circlips, and high-performance piston rings for a comprehensive overhaul.
• Enhanced Power Delivery: Optimized for a 12.5:1 compression ratio, providing improved throttle response and increased power output.
• Standard Fitment: Precisely sized with a 78.00 mm bore and 77.97 mm piston for a seamless, standard replacement.

Technical Specifications

• Product Type: Piston Kit
• Brand: Prox
• MPN/SKU: 09106897
• Type: Standard Size B
• Units: Kit
• Bore Size: 78.00 mm
• Piston Size: 77.97 mm
• Engine Type: 4-Stroke
• Displacement: 250 cc
• Compression Ratio: 12.5:1
• Vendor Part Number: 01.4355.B