The Enginetech M41558-040 Engine Premium Piston Ring Complete Set is designed to deliver high-performance sealing and durability for various Pontiac models from the early 1970s. Engineered with precision, this set ensures optimal compression, oil control, and longevity for your engine rebuild or restoration project. Crafted for compatibility with classic Pontiac engines, it provides a reliable solution for maintaining engine integrity and performance. The set includes top compression rings, second compression rings, and oil rings, all manufactured to meet SAE guidelines for consistent end gaps, ensuring proper fit and function within your engine.
This complete piston ring set features a ring outside diameter of 4.150 inches, with each component carefully designed for precision fitment. The top compression rings have a thickness of 5/64 inch, while the second compression rings measure 1/16 inch, and the oil rings are 3/16 inch thick. These specifications are crucial for maintaining proper sealing and oil consumption, contributing to engine efficiency and power output. Whether you're performing a rebuild on a 1970 to 1974 Pontiac Bonneville, Catalina, or other compatible models, this set is tailored to meet the demands of automotive professionals and enthusiasts alike.
Enginetech has been a family-owned and operated business since 1982, specializing in high-quality engine parts for import and domestic engines. Our products are specifically designed for engine rebuilders, ensuring precise engineering and reliable performance. With nationwide distribution and dedicated customer service, Enginetech stands as a trusted source for engine components that meet or exceed OEM standards. The M41558-040 set exemplifies our commitment to quality, durability, and customer satisfaction, making it an excellent choice for restoring or enhancing your Pontiac engine.

Features:

• Consistent end gaps following SAE guidelines for reliable performance

• Top compression ring thickness: 5/64 inch for effective sealing

• Second compression ring thickness: 1/16 inch for optimal compression

• Oil ring thickness: 3/16 inch for superior oil control

• Ring outside diameter of 4.150 inches for precise fitment

• Designed for use in classic Pontiac models from 1970 to 1974

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 LeMans