MMR Custom/Race Spring & Retainer kit Chromoly (2011-2014)


MMR Custom/Race Spring & Retainer kit Chromoly (2011-2014)

MMR Custom/Race Spring & Retainer kit for 2011 - 2014 5.0 and BOSS.

Item #:mmr-chromoly-valve-springs
Price: $499.95
Qty.

MMR Custom/Race Spring & Retainer kit for 2011 - 2014 5.0 and BOSS.

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 2000RWHP 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.

Beware of kits that sell springs only, the higher pressure springs will break the factory retainers eventually and cause engine failure!!

Track tested by team MMR!

Use MMR spring compressor PN#451564

Feel free to place an order online and use our secure checkout 24 hours a day, 7 days a week, 365 days a year! Call Us M-F 9am-6pm PST @ (858) 527-2917.

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