Edelbrock Sure Seat Valve Springs for Big Block Chevy 396-454 OEM Cast Iron Heads

Upgrade your Big Block Chevy valvetrain with these Edelbrock Sure Seat valve springs designed for OEM cast iron cylinder heads. Manufactured from premium spring wire and precision wound to strict tolerances, these valve springs provide the consistent spring pressure and durability needed for dependable street and performance engine operation.

Features and Benefits:
- Designed for Big Block Chevy 396-454 engines
- Fits OEM cast iron cylinder heads
- Precision wound for consistent spring pressure and durability
- Compatible with Edelbrock Performer-Plus camshafts
- Compatible with Edelbrock Performer RPM camshafts
- Compatible with Edelbrock Torker-Plus camshafts
- Designed for hydraulic flat tappet camshaft applications
- Helps maintain proper valvetrain control and durability
- Same performance springs used on Edelbrock Performer and RPM heads
- Required for Edelbrock camshaft warranty compliance in recommended applications
- Ideal for restoration, street, and performance builds
- Manufactured from premium quality spring wire

Designed for use with Edelbrock Performer-Plus, Performer RPM, and Torker-Plus hydraulic flat tappet camshafts, these are the same high-performance valve springs used on Edelbrock Performer and RPM aluminum cylinder heads. They help maintain proper valve control, improve camshaft durability, and are required for Edelbrock camshaft warranty compliance in recommended applications.

Specifications:
- Inside Diameter: 1.082"
- Outside Diameter: 1.500"
- Installed Height: 1.880"
- Closed Height: 1.880"
- Installed Pressure: 90 lbs.
- Closed Pressure: 90 lbs.
- Open Height: 0.420"
- Open Pressure: 220 lbs.
- Coil Bind Height: 1.340"
- Material: Steel
- Spring Type: Single Coil
- Camshaft Type: Hydraulic Flat Tappet

Vehicle Fitment:
- Fits Big Block Chevy 396/ 402/ 427/ 454 Engines with OEM cast iron cylinder heads

Additional Notes:
- Designed specifically for hydraulic flat tappet BBC camshafts.
- Not to be used with hydraulic roller or mechanical roller camshafts.
- Always confirm installed height, spring pressure, and coil bind before use.
- Non rotator springs
- Edelbrock recommended cam: #2162
- Always verify installed height, coil bind, and retainer clearance.
- Required for Edelbrock camshaft warranty compliance.