We are proud to release our new direct replacement upgraded valve springs and retainers for the 2011/12 5.0's , as used in the worlds fastest 5.0 Coyote Mustang 7.02 @ 202 (watch the video here)
Direct replacement and upgrade for Boss and std GT model, designed for boosted applications and ANY cam on the market up to .550 lift. This is the only spring on the market tested beyond 1500RWHP and 8500RPM!! Includes 32 springs and retainers. Works with all Valves and valve locks. Cam Limiters or locks recommended.
Kit comes std with Chromoly Steel retainers or optional titanium.
For more information or ordering call 1-877-MOD-POWR or visit Modular Mustang Racing
Direct replacement and upgrade for Boss and std GT model, designed for boosted applications and ANY cam on the market up to .550 lift. This is the only spring on the market tested beyond 1500RWHP and 8500RPM!! Includes 32 springs and retainers. Works with all Valves and valve locks. Cam Limiters or locks recommended.
Kit comes std with Chromoly Steel retainers or optional titanium.
For more information or ordering call 1-877-MOD-POWR or visit Modular Mustang Racing
