Road Race / Drag Race Valve & Spring Kit Kit 5.2 GT350 / GT500

Complete cylinder head valve train kit which provides huge upgrades to 5.2 GT350 and GT500 cylinder heads. These components were fully developed for use on both road race cars and drag race applications, capable of FULL race duty, and High rpm. They replace the factory hollow Stem Valves that can fail in extreme performance applications.

Direct fit/Plug and Play into all 5.2 GT350 and GT500 cylinder heads


(16) Solid steel, 1.51 in intake valves

(16) Solid steel, 1.28 in exhaust valves

(32) Stiffer, unique valve springs from PAC®

(64) Valve spring keepers/keys

(32) Titanium valve spring retainers 

(32) Valve stem seals

  • Model: 777528


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