Wiseco R771 4-Stroke Forged Piston Kit 71.00mm Bore 13:1 CR Suzuki GSX-R750

The Wiseco R771 is a 4-Stroke Forged Series Piston Kit designed for the Suzuki GSX-R750, featuring a 71.00mm bore and a high-compression 13:1 compression ratio with a 1.00mm oversize. Built for riders who demand both peak performance and long-term reliability, this piston kit delivers a precision-engineered solution for top-end rebuilds and performance upgrades.

Key Features:

• USA Forged Construction: Engineered, forged, and machined in the USA at Wiseco's facility in Mentor, OH using high-silicon, low-expansion aerospace-grade aluminum alloy for superior strength and reduced weight
• Application-Specific Design: Designed and built specifically for this 4-stroke powersports engine application, machined to the tightest tolerances for the ultimate combination of performance and strength
• Optimized Strength-to-Weight Ratio: Dedicated forgings allow for an improved tensile strength profile that maximizes service life without adding unnecessary mass
• Race-Ready Dome Finish: Smooth dome edges promote improved combustion flow for consistent power delivery
• Armor Glide Skirt Coating: Reduces friction and minimizes noise, contributing to measurable horsepower gains
• Horizontal Slot-Pin Oiling: Reduces piston-to-wall friction and provides scuff resistance, along with a pressure seal groove for maximum ring seal
• Complete Kit: Includes high-quality piston rings, wrist pin, and circlips — everything needed for a full top-end rebuild in one package
• 13:1 Compression Ratio with a 48.70mm stroke and 1.00mm oversize bore (71.00mm)

The Wiseco R771 piston kit is the trusted choice for both high-performance racers and dedicated street enthusiasts seeking a forged piston upgrade for the Suzuki GSX-R750. With decades of motorsports engineering behind every part, Wiseco delivers a product that is proven at every level of riding.