Extreme Street Performance Products


XSR1 Performance Products is proud to introduce our new line of performance track tested products. Our Billet CNC Valve Covers improve top end oil control; allow room for High Lift Roller Rockers, while adding a sleek smooth look to the engine compartment of LS1, LS2, and LS6 Corvettes. Available in all colors, these valve covers are truly show and go!


Billet Valve Covers & Coil Relocate Kit!

Photo Gallery & Examples
What you get in the full kit.
View the Instructions
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