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Howards Cams Performance Mechanical Flat Tappet Valve Springs
Style: "Pacaloy" Dual
Outer O.D.: 1.260
Outer I.D.: .860
Inner O.D.: NA
Inner I.D.: NA
Damper: No
Closed Pressure: 145 @ 1.800
Open Pressure: 511 @ 1.200
Rate: 610
Max Lift: .550
Coil Bind: 1.115
Manufactured of aircraft chrome silicone material. Coiled and heat-treated in the finest facilities available. Each spring is coiled, stress relieved, deburred, shot-peened, and heat treated to our own very specific standards. Howards Cams research and development engineers are constantly updating materials and manufacturing techniques to provide the best possible valve springs. Sets of 16.
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