Edelbrock Sure Seat Valve Springs Edelbrock Cylinder Head

Maintain valvetrain stability and engine reliability with these Edelbrock Sure Seat valve springs! They're direct replacements for select Edelbrock cylinder heads used in SBC and BBC engines.

Features and Benefits:
- Direct replacement for select Edelbrock cylinder heads
- Dual-coil design improves high-lift stability
- Precision-wound spring wire supports durability
- Designed for hydraulic flat tappet camshafts
- Maintains proper valve control and spring pressure

These valve springs feature a dual-coil design to improve stability at higher lift levels. They also maintain proper spring pressure for hydraulic flat tappet camshafts. Precision-wound spring wire helps ensure consistent operation and durability under performance conditions.

Vehicle Fitment:
- Small Block and Big Block Chevy Engines
*Must be used with Edelbrock head part numbers 50459, 79459, 79539, 79559, 60439, 60459, 60479, 60559, and 77479.

Please Note: Check retainer-to-seal clearance, coil bind, installed height, and spring pressure before operation.

Specifications:
- Material: Steel
- Spring Type: Dual Coil
- Inside Diameter: 0.805 in
- Outside Diameter: 1.500"
- Installed Height: 1.975"
- Closed Height: 1.975"
- Installed Pressure: 135 lbs
- Closed Pressure: 135 lbs
- Open Height: 0.500"
- Open Pressure: 320 lbs
- Coil Bind Height: 1.150"
- Camshaft Type: Hydraulic Flat Tappet