The Enginetech C85914-.75 Engine Premium Piston Ring Complete Set is designed for optimal engine performance and durability. Crafted with precision, these piston rings feature consistent end gaps aligned with SAE guidelines to ensure reliable sealing and compression. The set includes top compression rings with a thickness of 1.50 mm, second compression rings also at 1.50 mm, and oil rings with a thickness of 3.00 mm, providing a comprehensive solution for engine rebuilding or repair. The ring outside diameter is 3.385 inches, making it compatible with a range of 1980s and early 1990s Buick, Oldsmobile, and Pontiac models.
Enginetech, a family-owned company since 1982, specializes in high-quality engine parts engineered specifically for engine rebuilers. Their products are designed to meet or exceed OEM specifications, ensuring longevity and performance. This complete piston ring set is manufactured to deliver precise fit and function, reducing blow-by and maintaining optimal compression levels. Whether you are restoring a classic vehicle or performing a rebuild, this set provides the reliability and quality you expect from Enginetech.
Installation of these piston rings can help improve engine efficiency, reduce emissions, and extend engine life. The set is suitable for various models including Buick Skyhawk, Oldsmobile Firenza, Pontiac Grand Am, LeMans, and Sunbird from the late 1980s to early 1990s. As part of Enginetech’s extensive product line, these rings are ideal for professional engine rebuilders and DIY enthusiasts seeking OEM-quality parts. Trust Enginetech for your engine rebuild needs with confidence in every component you install.

Features:

• Consistent end gaps following SAE guidelines for reliable sealing

• Top compression ring thickness: 1.50 mm for optimal compression

• Second compression ring thickness: 1.50 mm for effective sealing

• Oil ring thickness: 3.00 mm for oil control and engine cleanliness

• Ring outside diameter: 3.385 inches, suitable for multiple vehicle models

• Engineered for durability and high performance

• Compatible with 1987-1990 Buick Skyhawk, Oldsmobile Firenza, Pontiac Grand Am, LeMans, and Sunbird

• Designed specifically for engine rebuilder applications

• Manufactured by Enginetech, a trusted industry leader since 1982

Fits Following Models:
1987 Buick Skyhawk
1987 Oldsmobile Firenza
1987 Pontiac Grand Am
1987 Pontiac Sunbird
1988 Buick Skyhawk
1988 Oldsmobile Firenza
1988 Pontiac Grand Am
1988 Pontiac Sunbird
1989 Pontiac Grand Am
1989 Pontiac LeMans
1989 Pontiac Sunbird
1990 Pontiac LeMans
1990 Pontiac Sunbird
1991 Pontiac Sunbird
1992 Pontiac Sunbird
1993 Pontiac Sunbird
1994 Pontiac Sunbird