Wiseco Pistons 4880M04750 Forged Piston Kit Oversize Compression - 47.50mm 0.50mm 10.5 1

The Wiseco 4880M04750 is a high-performance forged piston kit designed for Honda XR70 (1997-2003) and CRF70F (2004-2012) dirt bikes. This complete kit features a 0.50mm oversize piston with a finished bore of 47.50mm and delivers a 10.5:1 compression ratio for improved power and performance.

Complete Piston Kit Includes:

• Forged high-silicon aluminum piston (47.50mm bore)
• Piston rings (1870XE ring set)
• Wrist pin (13mm x 1.535")
• Circlips (round wire pin locks)

Key Features:

• Forged from high-silicon, low-expansion aluminum alloy for superior strength and heat dissipation
• Diamond-turned finish from CNC computer-controlled turning centers ensures perfect surface finish
• Innovative forging design and optimized piston skirt profile maximize horsepower and torque
• Reduced weight compared to stock pistons for improved throttle response
• Extended service life and durability in both racing and trail riding applications

Wiseco has over 70 years of experience manufacturing premium forged pistons for powersports applications. This oversize piston is ideal for rebuilding worn cylinders or increasing displacement. Note that cylinder boring and honing to 47.50mm is required for installation.