Material: 4140 chrome moly steel. Notes: heat treated; black oxide finish. Professional Installation is Highly Recommended (No Instruction Included). This listing is for (1) complete set of valve springs for GEN I and II Small Block Chevy (not for vortec) engines.
Includes chrome moly steel retainers and heat treated locks. Any product you return must be in the same condition you received it and in the original packaging. We usually respond within 24 hours on weekdays.