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Racing Engines Parts & Components | Hawaya Racing Inc.

HRP now has the Gen-4 Valve Train Upgrade kit available to convert your Derringer to a high cam version. There are many advantages to the Gen-4 package, first off it is available in either a dry top end kit (like most all engines are), or a wet version that pressure feeds oil the top end. The Gen-4 upgrade moves the cams up about 3 inches.