Wiseco R1117 Forged Top End Piston Kit Bore CR - 4-Stroke 77mm 12 1

The Wiseco R1117 is a complete 4-stroke forged top end piston kit designed for the 1993–1998 Suzuki GSX-R1100, featuring a 77.00mm bore and a 12:1 compression ratio. Engineered, forged, and machined in the USA at Wiseco's facility in Mentor, OH, this kit delivers the precision, strength, and reliability demanded by performance riders and rebuilders alike.

Key Features:

• Dedicated forging optimizes the strength-to-weight ratio for each specific engine application
• Race-ready dome finish with smooth edges for improved combustion flow
• ArmorGlide skirt coating reduces friction and noise, contributing to increased horsepower output
• High-quality piston rings, wrist pin, and circlips included — everything needed for a complete top end rebuild
• Built to tight tolerances for the ultimate combination of performance and long service life
• Compatible with cast iron, chrome, Nikasil, and boron composite cylinder bore compositions
• Forged from high-silicon, low-expansion aluminum for superior strength, reduced weight, and improved heat transfer

The R1117 top end kit is a trusted choice for GSX-R1100 rebuilds at every level, from recreational riders to Superbike competitors. With Wiseco's decades of race-proven engineering behind every component, this kit ensures your engine rebuild is done right the first time.