MMR Race Valve Springs & Titanium retainers for Shelby GT350


The Shelby GT350 cylinder heads use a unique installed height compared to a normal 5.0 coyote cylinder head. This exclusive MMR kit includes a Drop in spring and Titanium retainer compatible with the largest cams on the market. team tested by team MMR up to 10,000 rpm and 2500+HP. If you are also looking for the most powerful cams contact mmr today for your needs. Our championship and World Record Holding camshafts are available for all 2011-2016 5.0 Models.

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  • Model: 649999
  • Manufactured by: MMR

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