Namura .040 Over Bore Piston Gasket Kit for Honda TRX300EX TRX300X Sportrax 75mm

Namura .040 Over Bore Piston Gasket Kit for Honda TRX300EX TRX300X Sportrax

This .040 over bore piston gasket kit provides the necessary components for a top-end rebuild on Honda TRX300EX TRX300X Sportrax ATVs, restoring compression and engine performance with a 75mm bore.

Overview

The Namura .040 over bore piston gasket kit is an aftermarket replacement for Honda TRX300EX and TRX300X ATVs, offering a 75mm bore size for a .040 overbore application. This .040 over bore piston gasket kit includes a high-quality piston, rings, and gaskets to refresh your engine's top end. Designed specifically for the Sportrax models, this .040 over bore piston gasket kit ensures a precise fit and reliable performance.

Built For Performance

• High-silicone cast piston for strength and thermal stability
• Precision-machined piston rings for optimal sealing
• Complete gasket set included for top-end rebuild
• Designed for .040 over bore applications
• Direct replacement for OEM parts
• Rigorously tested for fit and performance

Fits These Machines

• for Honda TRX300EX
• for Honda TRX300X Sportrax

On-The-Job Use

• Restoring top-end performance on worn Honda TRX300EX engines
• Rebuilding the cylinder for recreational ATV riding
• Replacing worn pistons in racing applications
• Overhauling engine for improved compression and power

Specs At A Glance

Good To Know

Q: Is this piston kit compatible with a stock cylinder? A: This kit is designed for a cylinder that has been bored to 75mm (.040 over). Your cylinder must be prepared to this size for proper fit.

Q: What gaskets are included? A: The kit includes a head gasket, base gasket, and piston-to-cylinder seals, everything needed for a top-end rebuild.

Slight variation in finish or dimensions may occur between production runs, and confirm compatibility before ordering.