Edelbrock Part Number 9787 Exhaust Valves for Small-Block Chevy Engines

The Edelbrock #9787 Exhaust Valves are 1-piece, swirl-polished, hardened tip stainless steel valves with undercut stems for increased flow. Hard-chromed valve stems are 11/32" except where noted. The Edelbrock #9787 Exhaust Valve is a 1.60" 1-piece, swirl-polished, hardened tip stainless steel valve with undercut stems for increased flow. Fits Edelbrock #77619, #77629, #77639 & #77649 Cylinder Heads Overall Length: 5.020" Set of 8 Chevrolet:Small-Block Gen I:262 (4.3L)-400 (6.6L)

• Increased Flow

The Edelbrock Part Number 9787 Exhaust Valves are engineered for high-performance small-block Chevrolet engines, including Gen I models from 262 (4.3L) to 400 (6.6L) cubic inches. Crafted as a one-piece design, these valves feature swirl-polished, hardened tips made from stainless steel to withstand the rigors of performance applications. The hardened tip enhances durability and resistance to wear, ensuring reliable operation over extended use. Under-cut stems on these valves promote increased airflow, contributing to improved engine efficiency and power output. With a length of approximately 5.02 inches, they are designed to fit Edelbrock cylinder heads such as models #77619, #77629, #77639, and #77649, providing a direct upgrade for performance enthusiasts seeking better flow characteristics. The valves also feature 11/32-inch hardened stems, which offer additional strength and longevity. These exhaust valves are suitable for custom engine builds and performance modifications, delivering increased airflow and optimized exhaust flow for enhanced horsepower and torque. Ideal for automotive applications where durability and performance are priorities, these valves meet high standards for quality and precision. Easy to install in compatible Edelbrock cylinder heads, they serve as a reliable upgrade for street, strip, or race engines seeking improved exhaust flow and efficiency. Overall, the Edelbrock #9787 exhaust valves represent a critical component for performance tuning, ensuring robust operation and increased engine breathing capacity.

Features:

• One-piece swirl-polished stainless steel construction for durability and performance

• Hardened tip design resists wear and extends valve life

• Undercut stems increase airflow for improved engine efficiency

• Hardened stems measure 11/32 inch for added strength

• Designed to fit Edelbrock #77619, #77629, #77639, and #77649 cylinder heads

• Overall length approximately 5.02 inches for precise fitment

• Suitable for small-block Chevy engines from 262 to 400 cubic inches