Crane Cams Dual Valve Springs Fits Chev Holden Hydraulic Flat Tappet Set#CC99838 OPK12 a detailed tuning guide

a detailed tuning guide

quickest shifts possible from a shift improver kit

5 M15A 2004-2010 (Front)

M10 x 40mm Set Screw 10 pcs

Crane Cams Dual Valve Springs Fits Chev Holden Hydraulic Flat Tappet Set#CC99838 OPK12 a detailed tuning guideThese Crane valve springs offer top quality performance and are made from chrome silicon to tolerate more lift, build compression, and last longer. Crane offers their springs for most domestic V8 engines. Specifications : Part Type: Valve Springs Product Line: Crane Valve Springs Valve Spring Style: Standard Number of Springs Per Valve: Dual Retainers Included: No Outside Diameter of Outer Spring (in.): 1. 465 in. Coil Bind Height (in.): 0. 950 in.