Engine Piston Set - without Rings

The Enginetech P3072(8)040 engine piston set is designed for precise performance and durability in classic Pontiac engines from 1967 to 1970. Crafted with high-quality materials, this piston set features matched weights for optimal balance, ensuring smooth operation and reduced wear during engine cycles. The set includes pistons specifically engineered to fit bore diameters of 4.120 inches with a compression height of 1.700 inches, providing the perfect fit for your vintage Pontiac engine rebuild or restoration.
Each piston in this set is manufactured with specific features to enhance engine efficiency. The top and second compression rings have a thickness of 5/64 inches, while the oil ring measures 3/16 inches for effective lubrication and sealing. The pistons are designed without rings, allowing for customization based on your engine's specific requirements. The piston pin outside diameter is 0.9805 inches, ensuring secure fitment within the connecting rod assembly.
Enginetech has been a trusted name in engine parts since 1982, dedicated to providing high-quality, reliable components for engine builders and restorers. This piston set is ideal for those restoring or rebuilding Pontiac engines in models such as the Pontiac Executive, Tempest, and Catalina from the late 1960s. Manufactured to meet or exceed OEM specifications, these pistons are engineered for durability, performance, and longevity in classic muscle cars and vintage vehicles.
Whether you're performing a full engine rebuild or replacing worn components, the Enginetech P3072(8)040 piston set offers the quality and precision necessary to restore your engine's original performance. With nationwide distribution and exceptional customer service, Enginetech supports both professional rebuilders and hobbyists alike, ensuring your project achieves the highest standards of quality and reliability.

Features:

• Matched weights for perfect balance

• Top compression ring thickness: 5/64 inches

• Second compression ring thickness: 5/64 inches

• Oil ring thickness: 3/16 inches

• Piston pin outside diameter: 0.9805 inches

• Designed for 4.120-inch bore diameter

• Compression height: 1.700 inches

• Engine set without rings for customization

• Made by Enginetech, a trusted engine parts manufacturer

Fits Following Models:
1967 Pontiac Catalina
1967 Pontiac Executive
1967 Pontiac Firebird
1967 Pontiac Grand Prix
1967 Pontiac GTO
1968 Pontiac Catalina
1968 Pontiac Executive
1968 Pontiac Firebird
1968 Pontiac Grand Prix
1968 Pontiac GTO
1968 Pontiac LeMans
1968 Pontiac Tempest
1969 Pontiac Catalina
1969 Pontiac Executive
1969 Pontiac Firebird
1969 Pontiac Grand Prix
1969 Pontiac GTO
1969 Pontiac LeMans
1969 Pontiac Tempest
1970 Pontiac Catalina
1970 Pontiac Executive
1970 Pontiac Firebird
1970 Pontiac Grand Prix
1970 Pontiac GTO
1970 Pontiac LeMans
1970 Pontiac Tempest
1971 Pontiac Catalina
1971 Pontiac Firebird
1971 Pontiac Grand Prix
1971 Pontiac Grand Safari
1971 Pontiac GTO
1971 Pontiac LeMans
1972 Pontiac Catalina
1972 Pontiac Firebird
1972 Pontiac Grand Prix
1972 Pontiac Grand Safari
1972 Pontiac Grandville
1972 Pontiac GTO
1972 Pontiac LeMans
1973 Pontiac Catalina
1973 Pontiac Firebird
1973 Pontiac Grand Am
1973 Pontiac Grand Prix
1973 Pontiac Grand Safari
1973 Pontiac Grandville
1973 Pontiac GTO
1973 Pontiac LeMans
1974 Pontiac Catalina
1974 Pontiac Firebird
1974 Pontiac Grand Am
1974 Pontiac Grand Prix
1974 Pontiac Grand Safari
1974 Pontiac Grandville
1974 Pontiac LeMans
1975 Pontiac Bonneville
1976 Pontiac Bonneville
1977 Pontiac Bonneville
1978 Pontiac Bonneville