The Enginetech M40054-STD Engine Premium Piston Ring Complete Set is designed to deliver reliable performance and durability for a variety of classic vehicles. Crafted by a family-owned company with over 40 years of experience, this piston ring set is engineered specifically for engine rebuilders seeking high-quality components. It fits a range of vehicles including Jeep models from 1980-1981 and Chevrolet Astros from 1985-1986, ensuring compatibility with your restoration or repair project. Each set features precision-engineered rings that adhere to SAE guidelines for consistent end gaps, promoting optimal sealing and engine efficiency.
The set includes top compression rings with a thickness of 5/64 inch, second compression rings also 5/64 inch thick, and oil rings at 3/16 inch thick. The rings are designed with an outside diameter of 4.000 inches to match specific bore sizes, providing a precise fit for your engine rebuild. Enginetech’s focus on quality manufacturing ensures that each ring maintains proper tension and sealing capabilities, which are essential for maintaining compression and reducing oil consumption.
Engine rebuilders will appreciate the complete package, which simplifies installation and ensures that all critical sealing surfaces are addressed. The rings are made from durable materials engineered to withstand high temperatures and pressures within the combustion chamber. Whether restoring an older Jeep CJ5, CJ7, or a Buick Skylark, or working on Chevrolet Astros from the mid-1980s, this piston ring set provides a dependable solution for maintaining engine performance and longevity. Trust Enginetech's commitment to quality and customer satisfaction for your next engine rebuild project.

Features:

• Designed for specific Jeep and Chevrolet models from 1980 to 1986

• Includes top compression, second compression, and oil rings

• Ring outside diameter of 4.000 inches ensures precise fit

• Top and second compression rings are 5/64 inch thick for optimal sealing

• Oil ring thickness is 3/16 inch for effective oil control

• Consistent end gaps following SAE guidelines for reliable performance

• Engineered for durability in high-temperature engine environments

• Suitable for professional engine rebuilders and restorers

• Complete set simplifies installation and ensures comprehensive sealing

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