Edelbrock Exhaust Valve 1.88" Single Big Block Chevrolet 60439/60459/60479/60499/60559 Performer Heads

Unlock the full potential of your Big Block Chevy equipped with performer heads with the Edelbrock 1.88" Exhaust Valve (9771). Made with careful attention to detail, this valve utilizes a one-piece design and a sleek swirl-polished finish to promote excellent durability and style. Constructed from high-grade stainless steel, each valve is equipped with a hardened tip and undercut stems, boasting superior gas flow for better power and optimal engine efficiency. With a conventional lock groove style and robust 11/32” hard-chromed valve stems, this valve ensures consistent performance under demanding conditions.

Features and Benefits:
- One-piece design
- Stylish swirl-polished finish
- Stainless steel construction
- Hardened tip with undercut stems for increased gas flow
- Increased horsepower
- Conventional lock groove style
- 11/32” hard-chromed valve stems
- Sold individually

Specifications:
- Grade type: performance
- Seat angle: 45 degrees
- Includes locks: no
- Valve head diameter 1.880”
- Oversized: no
- Stem diameter: 0.341”
- Lock groove quantity: 1
- Length: 5.450”