COMP Cams Valve Spring 1.550in Inter-Fit 955-12 OPT7 Lighting Inc Duration: 297 Intake / 299

Duration: 297 Intake / 299 Exhaust

Police 1994 - 2009 Chevrolet Impala SS 1994 - 1995 Chevrolet K1500 Base 1988 - 1992 Chevrolet K1500 Scottsdale 1988 - 1995 Chevrolet K1500 Silverado

High Sierra 1980 - 1982 GMC C1500 Sierra Grande

Extruded aluminum case

four-grid-item { box-sizing: border-box

COMP Cams Valve Spring 1.550in Inter-Fit 955-12 OPT7 Lighting Inc Duration: 297 Intake / 299COMP Cams Valve Springs, Retainers 955 12 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