Engine Piston Set - without Rings

The Enginetech P3086(8)040 Engine Piston Set is designed to deliver high-performance replacement parts for your vintage Oldsmobile. Crafted without rings, this piston set offers precise engineering to ensure optimal fit and function in classic engines. It is ideal for engine rebuilds and restorations, providing reliable performance and durability for models including the Oldsmobile 442 and 98 from 1968 through 1973. The pistons are engineered with matched weights to ensure perfect balance, reducing vibrations and enhancing engine smoothness during operation. This set is compatible with bore diameters of 4.125 inches and features a compression height of 1.720 inches for accurate piston positioning within the cylinder.

Features:

• Top Compression Ring Thickness: 5/64 inch for efficient sealing and compression

• Second Compression Ring Thickness: 5/64 inch to support optimal compression and oil control

• Oil Ring Thickness: 3/16 inch designed for effective oil scraping and lubrication

• Piston Pin Outside Diameter: 0.9805 inch for secure piston connection to connecting rods

• Bore Diameter: 4.125 inches to match original engine specifications

• Compression Height: 1.720 inches for proper piston and cylinder head clearance

• Engine rebuild compatible with 1968-1973 Oldsmobile 98 and 442 models

• High-quality materials engineered specifically for engine rebuilder needs

Fits Following Models:
1968 Oldsmobile 442
1968 Oldsmobile 98
1968 Oldsmobile Delmont 88
1968 Oldsmobile Delta 88
1968 Oldsmobile Toronado
1969 Oldsmobile 442
1969 Oldsmobile 98
1969 Oldsmobile Delta 88
1969 Oldsmobile Toronado
1970 Oldsmobile 442
1970 Oldsmobile 98
1970 Oldsmobile Cutlass
1970 Oldsmobile Delta 88
1970 Oldsmobile F85
1970 Oldsmobile Toronado
1970 Oldsmobile Vista Cruiser
1971 Oldsmobile 442
1971 Oldsmobile 98
1971 Oldsmobile Custom Cruiser
1971 Oldsmobile Cutlass
1971 Oldsmobile Cutlass Supreme
1971 Oldsmobile Delta 88
1971 Oldsmobile Toronado
1971 Oldsmobile Vista Cruiser
1972 Oldsmobile 98
1972 Oldsmobile Custom Cruiser
1972 Oldsmobile Cutlass
1972 Oldsmobile Cutlass Supreme
1972 Oldsmobile Delta 88
1972 Oldsmobile F85
1972 Oldsmobile Toronado
1972 Oldsmobile Vista Cruiser
1973 Oldsmobile 98
1973 Oldsmobile Custom Cruiser
1973 Oldsmobile Cutlass
1973 Oldsmobile Cutlass Supreme
1973 Oldsmobile Delta 88
1973 Oldsmobile Toronado
1973 Oldsmobile Vista Cruiser
1974 Oldsmobile 98
1974 Oldsmobile Custom Cruiser
1974 Oldsmobile Cutlass
1974 Oldsmobile Cutlass Supreme
1974 Oldsmobile Delta 88
1974 Oldsmobile Toronado
1974 Oldsmobile Vista Cruiser