Description

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COMP Cams engineers introduce the Thumpr camshaftsa new series of hydraulic flat tappet cams

Crimps Spark Plug Wires:Yes

black powdercoated mounting bracket Laser engraved Holley logo and inlet/outlet designations 3/8 in

1 Push-In Breather

COMP Cams Single Spring Valve Spring Set # CC981-16 Rate_12 Alternator SpacerCOMP Cams Single Spring Valve Spring Set # CC981 16 Valve Springs, Single, 1. 254 in. Outside Diameter, 370 lbs. in. Rate, 1. 150 in. Coil Bind Height, Set of 16 Number of Springs Per Valve: Single Outside Diameter of Outer Spring (in): 1. 254 in. Coil Bind Height (in): 1. 150 in. Damper Spring Included: Yes Spring Rate (lbs in): 370 lbs. in. Inside Diameter of Outer Spring (in): 0. 880 in. Valve Spring Style: Standard Valve Springs Coated: No

Exchange/Return Notes