Engine Piston Set - without Rings The Enginetech P3085(8)060 engine piston set is designed to deliver high performance and reliability for classic Pontiac vehicles from the 1970s and early 1970s. Crafted with precision, this piston set ensures proper fitment and optimal engine operation, making it an excellent choice for engine rebuilds and restorations. Each piston is engineered with matched weights to promote balanced engine performance and reduce vibrations, contributing to smoother operation and enhanced longevity. The set includes pistons with a bore diameter of 4.150 inches and a compression height of 1.480 inches, tailored specifically for compatible Pontiac models such as the Bonneville, Catalina, and Executive from 1970 to 1974. This set does not include rings, allowing you to select the appropriate rings for your specific application and preferences. Engineered by Enginetech, a family-owned company since 1982, these pistons are built for engine builders seeking quality, durability, and precise fitment. The pistons feature top compression ring thickness of 5/64 inch, second compression ring thickness of 1/16 inch, and oil ring thickness of 3/16 inch, ensuring efficient sealing and compression. The piston pin outside diameter is 0.9805 inches, designed to match OEM specifications for seamless installation and reliable performance. Whether you are restoring a vintage Pontiac or performing a professional rebuild, the Enginetech P3085(8)060 piston set provides the quality components needed to bring your engine back to optimal condition. Trust Enginetech’s commitment to quality and precision-engineered parts to support your engine rebuilding projects with confidence.Features:Matched weights for balanced engine operationTop compression ring thickness: 5/64 inchSecond compression ring thickness: 1/16 inchOil ring thickness: 3/16 inchPiston pin outside diameter: 0.9805 inchesBore diameter: 4.150 inchesCompression height: 1.480 inchesDesigned for 1970-1974 Pontiac models including Bonneville, Catalina, and Executive Fits Following Models: 1970 Pontiac Bonneville 1970 Pontiac Catalina 1970 Pontiac Executive 1970 Pontiac Grand Prix 1970 Pontiac GTO 1970 Pontiac LeMans 1971 Pontiac Bonneville 1971 Pontiac Catalina 1971 Pontiac Firebird 1971 Pontiac Grand Prix 1971 Pontiac Grand Safari 1971 Pontiac Grandville 1971 Pontiac GTO 1971 Pontiac LeMans 1972 Pontiac Bonneville 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 Bonneville 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 Bonneville 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 1975 Pontiac Catalina 1975 Pontiac Firebird 1975 Pontiac Grand Prix 1976 Pontiac Bonneville 1976 Pontiac Catalina 1976 Pontiac Firebird 1976 Pontiac Grand Prix 1976 Pontiac LeManstable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Features: Top Compression Ring Thickness: 5/64 in Second Compression Ring Thickness: 1/16 in Oil Ring Thickness: 3/16 in Piston Pin Outside Diameter: 0.9805 Bore Diameter: 4.150 Compression Height: 1.480 Aaiaid Part Number: BBPTP3085(8)060 Part Number: P3085(8)060 Brand Aaia: BBPT
