Wiseco 40017M09800 Forged Piston Kit Bore Compression Ratio - 4-Stroke 98.00mm 12.5 1

The Wiseco 40017M09800 is a 4-Stroke Forged Series Piston Kit featuring a 98.00mm bore and 12.5:1 compression ratio, purpose-built for high-performance snowmobile engines. Engineered, forged, and machined in the USA at Wiseco's Mentor, OH facility, this piston kit delivers the tight tolerances and superior strength that demanding powersports applications require.

Key Features:

• Forged from high-silicon, low-expansion aluminum alloy for maximum strength, reduced weight, and improved heat transfer
• Dedicated forging design optimizes the strength-to-weight ratio for peak performance
• Innovative piston skirt geometry engineered to maximize horsepower and torque output
• Improved tensile strength of forged material extends service life over cast alternatives
• Designed and built for a specific 4-stroke snowmobile engine application to ensure precise fit
• 98.00mm bore diameter with 12.5:1 compression ratio

Kit Includes:

• Forged piston
• High-quality piston rings
• Wrist pin
• Circlips

Note: Oversize pistons require cylinder sleeving. Always verify bore size and clearances during installation.