These Trick Flow® valve cover spacers give you the clearance you need to run shaft mount roller rocker arms on your Chevrolet LS1 engine. They are made of aluminum, are 1/2 in. thick, and include the longer bolts and thicker gaskets for installation.

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Trick Flow Valve Cover Gaskets, O-rings, Grommet, Bolts, Fittings, For Ford, 4.6L Modular, 5.4L Modular, Kit

Trick Flow Valve Cover Gaskets, O-rings, Grommet, Bolts, Fittings, For Ford, 4.6L Modular, 5.4L Modular, Kit

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