Half moon rubber plug that sits on top of cylinder by the end of the cam
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This Phenolic Spacer features an 8mm (5/16") thickness to prevent heat conductivity to the intake manifold from the cylinder head and provides additional space for installing EFI fuel rails.
2X Entries Into Our F80 M3 Sweepstakes
Whether you're replacing or upgrading components of your cylinder head, we have everything you need to get back on the road. Finish your engine build or replace broken cylinder head bits with our catalog of rocker arms, camshafts, cylinder head gaskets, valves, valve springs, entire cylinder head assemblies, cylinder head hardware, and more.
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