Enginetech Cylinder Head Spacer Shims help restore valve train geometry, valve clearance, O.E. compression ratios and cam timing to factory specifications on engines where cylinder head and/or block surfaces have been resurfaced below factory limits. Use this shim with conventional head gaskets only.
If you have cylinder head/block with surfaces that have been resurfaced below the factory limit, then you will need to install a shim.
Tip: Shims should always be installed on the block side with the cylinder head gasket on top.
Shims solve these common problems:
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If you like our shims, then you will love our cylinder heads. Our cylinder heads are perfect for your next rebuild. They are inspected by our engineering department to ensure they maintain our high quality standards. For more information about our cylinder heads, click the button below.