Z28 Valve Spring Kit with Steel Retainers and HD Locks for Chevrolet Small-Block V8 Engines

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 SpecsMax Lift: .550″
Type: Single W/ Damper Valve
Material: Chrome SiliconSpring 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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