Single Outer Valve Springs: 1.254" O.D., .880" I.D.-1


Single Outer Valve Springs from COMP Cams® allow you to build the perfect spring assembly for your application. The valve spring creation process is far more involved than most people realize. Selecting the right metal stock and creating the best design is not done by chance. COMP Cams® has developed a process that creates the highest quality valve spring available. The result is a product that meets and exceeds the expectations of today’s engine builders and racers.

Max Lift: 0.49
Installed Height: 1.7
Coil Bind Height: 1.15
O.D. of Outer: 1.254
I.D. of Outer: 0.88
Spring Style: Single
Spring Rate: 373
Seat Pressure: 105
Damper: Yes
Note Description
2Requires machining on cylinder heads
Component Part Number
Steel Retainers: 728-16  /   750-16
Tool Steel Retainers: 1750-16  /   4753