Wiseco 4715M10240 Forged Piston Kit Bore CR - 4-Stroke 102.40mm 10 1

The Wiseco 4715M10240 is a high-performance forged 4-stroke piston kit featuring a 102.40mm bore and 10:1 compression ratio with a round-dome design. Engineered, forged, and machined in the USA at Wiseco's facility in Mentor, OH, this piston kit is purpose-built for demanding powersports applications where strength and reliability are critical.

Key Features:

• Forged high-silicon aluminum alloy construction for superior strength-to-weight ratio
• 102.40mm bore diameter with round-dome piston design and 10:1 compression ratio
• Designed for each specific 4-stroke engine application with the tightest manufacturing tolerances
• Improved tensile strength of forged material optimizes durability and service life
• Dedicated forgings allow for an optimized strength-to-weight ratio
• Innovative piston skirt design for maximum horsepower and torque output
• Complete kit includes: piston, rings, wrist pin, and circlips
• Engineered, forged, and machined in the USA (Mentor, OH)

Important Notes:

• This is an oversize piston — cylinder boring or sleeving is required for proper fitment
• Part number suffix indicates bore size: M10240 = 102.40mm

Wiseco has been a trusted name in high-performance piston technology for over 80 years, proven at every level of powersports competition. The 4715M10240 delivers the power, reliability, and precision that serious riders demand.