Unlock the performance potential of your GT40 or GT40P cylinder heads with this COMP Cams valve spring kit. Designed specifically for flat tappet camshaft applications, this drop-in upgrade supports valve lifts up to .570" while providing the spring pressure necessary to control more aggressive camshaft profiles. Best of all, the kit installs on stock GT40 and GT40P cylinder heads without requiring machine work, making it an ideal solution for performance engine builds and cylinder head upgrades.
COMP Cams assembled this package with premium valvetrain components to ensure reliable operation. The kit includes valve springs, retainers, metal-body Viton valve stem seals, and both standard and +.050 valve locks to achieve the correct installed height when used with factory valves. Whether you're upgrading a street engine or building a performance-oriented small block Ford, this kit delivers the durability and valve control needed for improved performance.
Features and Benefits:
- Supports valve lift up to .570"
- Ideal for flat tappet camshaft applications
- Drop-in design requires no machining
- Provides increased spring pressure for aggressive camshaft profiles
- Helps improve valvetrain stability at higher RPM
- Includes premium valve springs
- Includes valve spring retainers
- Includes metal-body Viton valve stem seals
- Includes standard valve locks
- Includes +.050 valve locks for installed height adjustment
- Compatible with factory GT40 and GT40P valves
- Simplifies cylinder head upgrades and valvetrain modifications
Vehicle Fitment:
- 1964-1973 Ford Mustang
