Manley 560275CE-8 Extreme Duty Forged Piston Set Gen V LT1 4.075" Bore

The Manley 560275CE-8 Extreme Duty Piston Set is engineered to bulletproof your direct-injected Gen V LT1 engine's bottom end with high-performance components designed for extreme racing applications. These high strength 2618 alloy forged pistons can withstand the abuse from extreme racing applications, delivering exceptional durability and performance for high-horsepower builds.

Key Features:

• Domestic 2618 alloy forgings ensuring superior strength and performance
• Extreme Duty Series includes 9310 alloy wrist pins for maximum durability under extreme loads
• 1.304" compression height with -2cc dome head volume
• 4.075" bore diameter with .927" floating wrist pin
• Moly coated skirts and exacting ring groove squareness to cylinder wall for maximum horsepower
• 1.2mm, 1.2mm, 3.0mm ring package with ductile iron top ring
• Unique fixturing allows for skirt turning and ring groove machining in a single operation, ensuring ultimate ring groove to skirt squareness
• Compatible with 6.125" connecting rod length
• 11.8:1 compression ratio at 60cc chamber volume

This complete set includes 8 pistons with premium 9310 alloy wrist pins, roundwire locks, and pressure balance grooves. Cam and barrel skirt profiles generate substantial power while being gentle on cylinder walls, making these pistons ideal for serious performance enthusiasts and professional engine builders demanding the ultimate in strength and reliability.