Description
Complete set of z28 valve springs for GEN I and II Small Block Chevy (not for vortec) engines. Includes chrome moly steel retainers and heat treated locks.
Valve Spring Specs
Max Lift: .550″
Type: Single W/ Damper Valve
Material: Chrome Silicon
Spring Diameter: 1.250″
Installed Height: 110# @ 1.700″
Open Load: 285# @ 1.210″
Retainer Specs
Lock Angle: 7 degree
Material: 4140 chrome moly steel
Notes: heat treated; black oxide finish
Lock Specs
Groove: Single; square
Notes: heat treated
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