Engine Piston Set - without Rings

The Enginetech P1581(6)STD engine piston set is designed for precise fitment and reliable performance in select Buick models from the late 1980s and early 1990s. Crafted without rings, this piston set is ideal for engine rebuilds where high-quality components are essential to restore engine power and efficiency. Each piston is engineered to match weights perfectly, ensuring balanced operation and smooth engine performance. Whether you're restoring a Buick Electra, LeSabre, or Park Avenue, this piston set provides a dependable foundation for your rebuild project. The set includes pistons with a bore diameter of 3.799 inches and a compression height of 1.366 inches, tailored to fit specific Buick engines from 1988 to 1992. Designed by Enginetech, a family-owned company with over four decades of experience, these pistons meet stringent standards for quality and durability. They are suitable for use in engines requiring a piston pin outside diameter of 0.9054 inches, ensuring proper fitment and function. Perfect for engine builders and rebuilder enthusiasts, this set offers the consistency and performance needed to bring your engine back to optimal condition.

Features:

• Matched weights for perfect balance to ensure smooth engine operation

• Designed specifically for Buick models from 1988 to 1992, including Electra, LeSabre, and Park Avenue

• Bore diameter of 3.799 inches for precise fitment

• Compression height of 1.366 inches to match original specifications

• Engineered without rings for custom rebuild applications

• High-quality manufacturing standards by Enginetech, a trusted industry leader

• Piston pin outside diameter of 0.9054 inches for proper alignment and secure fit

Fits Following Models:
1988 Buick Electra
1988 Buick LeSabre
1988 Oldsmobile 98
1988 Oldsmobile Delta 88
1988 Oldsmobile Toronado
1989 Buick Electra
1989 Buick LeSabre
1989 Buick Reatta
1989 Buick Riviera
1989 Oldsmobile 98
1989 Oldsmobile Delta 88
1989 Oldsmobile Toronado
1989 Pontiac Bonneville
1990 Buick Electra
1990 Buick LeSabre
1990 Buick Reatta
1990 Buick Regal
1990 Buick Riviera
1990 Oldsmobile 98
1990 Oldsmobile Delta 88
1990 Oldsmobile Toronado
1990 Pontiac Bonneville
1991 Buick LeSabre
1991 Buick Park Avenue
1991 Buick Reatta
1991 Buick Regal
1991 Buick Riviera
1991 Oldsmobile 98
1991 Oldsmobile Toronado
1991 Pontiac Bonneville
1992 Buick LeSabre
1992 Buick Park Avenue
1992 Buick Regal
1992 Buick Riviera
1992 Oldsmobile 88
1992 Oldsmobile 98
1992 Oldsmobile Silhouette
1992 Oldsmobile Toronado
1992 Pontiac Bonneville
1992 Pontiac Trans Sport