Wiseco Professional Chevy LS1 Piston Set of 8 - 3.780" Bore 1.300" CH -2.20CC - K474M96
Push your GM LS1 small-block build to the absolute limit with the Wiseco Professional Series Forged Piston Set (K474M96). Designed specifically for serious engine builders and high-horsepower race applications, these no-expense-spared pistons are engineered, forged, and machined in the USA from high-tensile 2618 aluminum alloy. Featuring a 3.780-inch bore, 1.300-inch compression height, and a -2.20cc volume, they are built to withstand heavy-duty competition use.
Every piston in this professional-grade set is packed with advanced racing technology, including ArmorGlide skirt coating to reduce friction, prevent scuffing, and ensure quieter operation. Enhanced with fully machined crown features, precision ring grooves, anti-detonation bands, and forced pin oiling, this kit delivers maximum ring seal, reliability, and durability for high-output naturally aspirated or power-adder builds.
Features
- Engineered, forged, and machined in the USA from high-strength 2618 aluminum alloy
- ArmorGlide skirt coating for reduced friction, seizure resistance, and quieter operation
- Fully machined crown features with anti-detonation groove and precision ring grooves for superior ring seal
- Forced pin oiling to enhance wrist pin lubrication under extreme loads
- Strutted forging design built to withstand heavy-to-severe duty performance and race applications
- Includes high-strength 5115 floating wrist pins
Specifications
- SKU / Part Number: K474M96
- Manufacturer: Wiseco
- Product Series: Professional Series
- Engine Application: GM Gen III LS1 (5.7L V8)
- Bore Diameter: 3.780 inches
- Stroke: 3.622 inches
- Rod Length: 6.125 inches
- Compression Height: 1.300 inches
- Piston Volume: -2.20 cc
- Piston Material: 2618 Forged Aluminum
- Skirt Coating: Yes (ArmorGlide)
- Forging Type: Strutted
- Piston Quantity: 8 (Complete Set)
- Ring Set Included: No
- Wrist Pin Included: Yes
- Wrist Pin Material: 5115 Alloy Steel
- Wrist Pin Style: Floating
- Product Type: Engine Piston Set
- Product Market: Domestic / Performance
What's in the Box
- 8 x Wiseco Professional Series Forged Pistons
- 8 x High-Strength 5115 Floating Wrist Pins
- Pin Retaining Locks (Circlips)
Fitment
Chevrolet Corvette:
- 1997 Chevrolet Corvette C5 (5.7L LS1)
- 1998 Chevrolet Corvette C5 (5.7L LS1)
- 1999 Chevrolet Corvette C5 (5.7L LS1)
- 2000 Chevrolet Corvette C5 (5.7L LS1)
- 2001 Chevrolet Corvette C5 (5.7L LS1)
- 2002 Chevrolet Corvette C5 (5.7L LS1)
- 2003 Chevrolet Corvette C5 (5.7L LS1)
- 2004 Chevrolet Corvette C5 (5.7L LS1)
Chevrolet Camaro:
- 1998 Chevrolet Camaro Z28 / SS (5.7L LS1)
- 1999 Chevrolet Camaro Z28 / SS (5.7L LS1)
- 2000 Chevrolet Camaro Z28 / SS (5.7L LS1)
- 2001 Chevrolet Camaro Z28 / SS (5.7L LS1)
- 2002 Chevrolet Camaro Z28 / SS (5.7L LS1)
Pontiac Firebird / Trans Am:
- 1998 Pontiac Firebird / Trans Am / Formula (5.7L LS1)
- 1999 Pontiac Firebird / Trans Am / Formula (5.7L LS1)
- 2000 Pontiac Firebird / Trans Am / Formula (5.7L LS1)
- 2001 Pontiac Firebird / Trans Am / Formula (5.7L LS1)
- 2002 Pontiac Firebird / Trans Am / Formula (5.7L LS1)
Pontiac GTO:
- 2004 Pontiac GTO (5.7L LS1)
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
