COMP Cams Valve Spring Nascar 935-1 3G4RBF 635" inside diameter are used

635" inside diameter are used to equalize the installed height of valve springs

non-computer

6S XE248H-11

Use the Standard Extension if stacking the 1

this pump is widely used in high horsepower street and race builds requiring maximum fuel delivery

COMP Cams Valve Spring Nascar 935-1 3G4RBF 635" inside diameter are usedCOMP Cams Valve Springs, Retainers 935 1 Dual 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