Howards Max Effort„¢ Dual Roller Valve Springs w/ Damper - 1.540" O.D., .750" I.D. Parachute Mounts & Brackets It's the perfect marriage of

It's the perfect marriage of simplicity and accuracy

Note that sometimes this material is referred to as "fireproof"

1978-1981 Oldsmobile Cutlass CID 305 RWD

HEI Performance

1 offering from Schroth Racing

Howards Max Effort„¢ Dual Roller Valve Springs w/ Damper - 1.540" O.D., .750" I.D. Parachute Mounts & Brackets It's the perfect marriage ofHowardsCams competition racing valve springs are CNC coiled and heat treated in the finest facilities available. Using only the highest quality valve spring wire, all Howards? valve springs are stress relieved, ground and shot peened to offer our customers some of the very best valve springs on the market. Whether you're running a flat tappet or roller cam in your drag race, circle track, road course, performance marine or other extreme race