Wiseco CK105 Top End Piston Kit CR Suzuki Hayabusa - 83mm 12 1 GSX1300R

The Wiseco CK105 is a complete top end piston kit engineered for the Suzuki GSX1300R Hayabusa, delivering a 83mm bore at a 12:1 compression ratio — a popular performance upgrade over the stock displacement. Built from aerospace-grade forged alloy, this kit is designed to handle the demands of high-performance street and race applications alike.

Wiseco's CK105 uses dedicated forgings developed specifically for the Hayabusa's 4-stroke engine architecture, resulting in an optimized strength-to-weight ratio that stock cast pistons simply cannot match. The race-ready dome finish features smooth edges engineered to promote improved combustion flow and consistent power delivery.

Each piston skirt is treated with Wiseco's proprietary ArmorGlide™ coating — a dry film lubricant that significantly reduces friction and piston noise while contributing to measurable horsepower gains. The kit also includes a horizontal slot-pin oiling system for added scuff resistance and a pressure-seal groove for maximum ring seal.

What's Included:

• 4 forged pistons with race-ready dome finish
• High-performance piston ring set
• Alloy wrist pins
• Circlips

Key Features:

• 83mm bore — 2.00mm oversize
• 12:1 compression ratio for high-performance applications
• ArmorGlide™ skirt coating for reduced friction and increased horsepower
• Dedicated aerospace alloy forgings for superior strength-to-weight ratio
• Race-ready dome finish with smooth edges for improved combustion flow
• Horizontal slot-pin oiling for scuff resistance and maximum ring seal
• Engineered, forged, and machined in the USA

Whether building a high-compression street motor or an all-out drag application, the Wiseco CK105 piston kit provides the reliability and performance that top race teams and Hayabusa enthusiasts depend on.