Wiseco CK192 Forged Piston Top End Kit 76mm Big Bore 13.5:1 Suzuki GSX-R1000

The Wiseco CK192 is a complete forged piston top end kit engineered specifically for the Suzuki GSX-R1000. Featuring a 76.00mm big bore (2.60mm over stock) and a high 13.5:1 compression ratio, this kit is purpose-built for performance riders and racers looking to maximize displacement and power output from the GSX-R1000 inline-four engine. Cylinder boring and replating are required for installation.

Key Specifications:

• Bore (Actual): 76.00mm (+2.60mm oversize)
• Stock Bore: 73.40mm
• Stroke: 59.00mm
• Displacement (with kit): 1,071cc
• Compression Ratio: 13.5:1
• Skirt Coating: Moly friction-reducing coating
• Construction: Forged high-silicon aluminum
• Manufactured: USA (Mentor, OH)

Kit Includes:

• Piston rings
• Wrist pins
• Circlips

Why Wiseco Forged Pistons?

• Forged from high-silicon, low-expansion aluminum for superior strength and reduced weight
• Designed for each specific engine application and built to tight tolerances
• Diamond-turned CNC finish ensures precise sizing with no variation
• Compatible with cast iron, chrome, nikasil, and boron composite cylinder bore compositions
• Dedicated forgings allow for an optimized strength-to-weight ratio
• Proven at every level of riding from street performance to all-out drag racing

Installation Notes: Cylinder boring and replating are required. This is a big bore kit — the cylinder must be bored and replated to accept the 76.00mm piston diameter. Professional installation is recommended.