The Enginetech V1791 Engine Exhaust Valve is a high-quality replacement part designed specifically for Pontiac models from 1971 and 1972, including Bonneville, Catalina, Firebird, Grand Prix, and Grand Safari. Constructed with OE-grade materials, this valve features a chrome stem for durability and corrosion resistance, ensuring long-lasting performance under demanding engine conditions. With a valve head diameter of 1.770 inches and an overall length of 4.875 inches, it fits precisely into your engine's exhaust system, promoting efficient exhaust flow and optimal engine operation. The valve is equipped with two lock grooves for secure installation and a stem diameter of 11/32 inches, making it a reliable component for engine rebuilds or repairs.

Enginetech has been family owned and operated since 1982, specializing in high-quality engine parts for both import and domestic engines. Their parts are engineered specifically for engine rebuilders and are distributed nationwide, backed by exceptional customer service. This exhaust valve is manufactured with meticulous attention to detail, ensuring it meets or exceeds OEM standards. Whether you're restoring a vintage Pontiac or performing engine maintenance, the V1791 offers a dependable solution that guarantees proper fit and performance. Trust Enginetech’s commitment to quality and customer satisfaction for your engine rebuilding needs.

Designed for professionals and enthusiasts alike, this engine exhaust valve is an essential component for maintaining engine efficiency, reducing emissions, and ensuring smooth operation. Properly installed, this valve will contribute to the overall longevity and performance of your engine, making it a smart investment for your repair or restoration project.

Features:

• Material: Chrome Stem for enhanced durability and corrosion resistance

• Valve Head Diameter: 1.770 inches for optimal exhaust flow

• Overall Length: 4.875 inches to fit specific Pontiac engines

• Lock Groove Quantity: 2 for secure installation

• Stem Diameter: 11/32 inches for precise fit

• Engine Compatibility: Fits 1971-1972 Pontiac Bonneville, Catalina, Firebird, Grand Prix, and Grand Safari models

Fits Following Models:
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