The Enginetech M40054-030 Engine Premium Piston Ring Complete Set is designed to deliver reliable performance and long-lasting durability for a variety of classic and vintage engines. Engineered by Enginetech, a family-owned company operating since 1982, this set provides high-quality components specifically tailored for engine rebuilders and enthusiasts seeking precision-fit parts. Each set includes top compression rings, second compression rings, and oil rings, all manufactured to strict SAE guidelines to ensure consistent end gaps and optimal sealing. The rings feature a top compression thickness of 5/64 inch, a second compression thickness of 5/64 inch, and a 3/16 inch oil ring, with an outside diameter of 4.000 inches, ensuring compatibility with select Jeep, Buick, and Chevrolet engines from the 1980s and mid-1980s models. This comprehensive set is ideal for restoring or enhancing vintage engines, providing the necessary components to achieve proper compression, oil control, and overall engine efficiency. The M40054-030 set is designed with precision and quality in mind, offering dependable performance for engine rebuild projects that require high standards of craftsmanship and durability. Whether you're working on a Jeep CJ5 or CJ7, Buick Skylark, or Chevrolet Astro, this piston ring set is a perfect match to help restore your engine's power and efficiency. Trust Enginetech’s reputation for rigorous quality control and excellent customer service to support your engine rebuilding needs. Proper installation and adherence to manufacturer guidelines will ensure optimal performance and longevity of your engine components.

Features:

• Consistent end gaps following SAE guidelines for reliable sealing

• Top and second compression rings: 5/64 inch thickness for effective compression

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

• Ring outside diameter of 4.000 inches for precise fit

• Engineered by Enginetech, a trusted name in high-quality engine parts

• Designed to fit select 1980s Jeep, Buick, and Chevrolet engines

• Ideal for engine rebuilds and performance restoration

Fits Following Models:
1977 Pontiac Astre
1977 Pontiac Phoenix
1977 Pontiac Sunbird
1977 Pontiac Ventura
1978 Chevrolet Monza
1978 Pontiac Phoenix
1978 Pontiac Sunbird
1979 Chevrolet Monza
1979 Pontiac Sunbird
1980 American Motors Concord
1980 American Motors Spirit
1980 Buick Skylark
1980 Chevrolet Citation
1980 Chevrolet Monza
1980 Jeep CJ5
1980 Jeep CJ7
1980 Jeep DJ5
1980 Pontiac Phoenix
1980 Pontiac Sunbird
1981 American Motors Concord
1981 American Motors Eagle
1981 American Motors Spirit
1981 Jeep CJ5
1981 Jeep CJ7
1981 Jeep DJ5
1981 Jeep Scrambler
1985 Chevrolet Astro
1985 Chevrolet S10
1985 Chevrolet S10 Blazer
1985 GMC S15
1985 GMC S15 Jimmy
1985 GMC Safari
1986 Chevrolet Astro
1986 Chevrolet S10
1986 Chevrolet S10 Blazer
1986 GMC S15
1986 GMC S15 Jimmy
1986 GMC Safari
1987 Chevrolet Astro
1987 Chevrolet LLV
1987 Chevrolet S10
1987 Chevrolet S10 Blazer
1987 GMC S15
1987 GMC S15 Jimmy
1987 GMC Safari
1988 Chevrolet Astro
1988 Chevrolet LLV
1988 Chevrolet S10
1988 Chevrolet S10 Blazer
1988 GMC S15
1988 GMC S15 Jimmy
1988 GMC Safari
1989 Chevrolet Astro
1989 Chevrolet LLV
1989 Chevrolet S10
1989 GMC S15
1989 GMC Safari
1990 Chevrolet Astro
1990 Chevrolet LLV
1990 Chevrolet S10
1990 GMC S15
1990 GMC Safari
1991 Chevrolet LLV
1991 Chevrolet S10
1991 GMC Sonoma
1992 Chevrolet LLV
1992 Chevrolet S10
1992 GMC Sonoma
1993 Chevrolet LLV
1993 Chevrolet S10
1993 GMC Sonoma