Comp Cams Dual Valve Springs: 1.540" O.D. Outer, .814" I.D. Inner #CO919-16 2530560 +/-10min for 45 degree square

+/-10min for 45 degree square

Somta 5/8" T/S Machine Reamer Flute Length 87mm Overall Length 187mm Morse Taper #2

FITTING FINISH: Chrome

5/16" x 4" Square "Evacut" Super Cobalt Toolbit

Comp Cams Dual Valve Springs: 1.540" O.D. Outer, .814" I.D. Inner #CO919-16 2530560 +/-10min for 45 degree squareDual Valve Springs from COMP Cams are manufactured from Super Clean wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability, no matter what the application. The dual spring design creates a stronger valve spring that can easily handle the increased lift found in extreme stress applications. COMP Cams Dual Valve Springs exceed the expectations of todays engine