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Steel Retainers. Small Block Chevy "Z-28" Valve Spring Kit. Hardened 11/32" Valve Locks. Springs Good To. 500" Valve Lift. Later Vortec Heads May Require The Valve Guide To Be Machined For Clearance. Spring Specs .
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.