Namura .020 Over Bore Piston & Gasket Kit for Honda TRX300EX & TRX300X 74.5mm

Namura .020 Over Bore Piston & Gasket Kit for Honda TRX300EX & TRX300X

This .020 over bore piston and gasket kit provides the necessary components for a top-end rebuild on Honda TRX300EX and TRX300X Sportrax ATVs, restoring compression and engine performance with a 74.5mm bore.

Overview

The Namura .020 over bore piston and gasket kit is an aftermarket replacement for Honda TRX300EX and TRX300X ATVs, offering a 74.5mm bore size for a .020 overbore application. This .020 over bore piston and gasket kit includes a high-quality piston, rings, and gaskets to refresh your engine's top end. Designed specifically for the Sportrax models, this .020 over bore piston and 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 .020 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 74.5mm (.020 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.