Wiseco Piston Kit 89.00mm STD 11:1 Honda XR400R TRX400EX TRX400X

Description

Upgrade your engine with the Wiseco Forged Piston Kit, designed for Honda XR400R, TRX400EX, and TRX400X four-stroke models. This kit features an 89.00mm standard bore and 11.0:1 compression ratio for enhanced performance and durability. Each kit includes a forged piston, rings, wrist pin, and circlips, ensuring a comprehensive top-end rebuild solution. Wiseco pistons are crafted from high-silicon, low-expansion 2618 aluminum for superior strength, reduced weight, and efficient heat transfer.

Features:

• Forged piston for high strength and long life
• Diamond-turned CNC finish for consistent sizing
• Kit includes piston, ring set (#3504XC), wrist pin (#S553), and circlip set (#CW20)
• Engineered for 4-stroke Honda ATVs and dirt bikes
• Displacement: 440cc, Bore Size: 89.00mm, Compression Ratio: 11.0:1
• Made in the USA

Note: Cylinder re-sleeving and boring required. Only Wiseco replacement ring sets should be used with Wiseco pistons.