Enginetech CHS1016 Cylinder Head Spacer Shim for Isuzu Engines

The Enginetech CHS1016 is a cylinder head spacer shim designed to restore critical engine geometry on Isuzu engines where the cylinder head or block deck surface has been machined below the factory minimum thickness specification.

Key Features:

• 0.020" cold rolled steel construction for precise, consistent thickness and long-term durability
• Restores valve train geometry and valve clearance to OE specifications after head or block resurfacing
• Corrects compression ratio creep caused by excessive material removal during machining
• Maintains correct cam timing by preserving the factory relationship between the block and cylinder head
• Addresses timing chain flutter resulting from altered deck height geometry
• Designed for use with conventional (non-MLS) head gaskets only

During engine rebuilds, cylinder heads and block decks are often resurfaced to correct warping or damage. When too much material is removed, the compressed assembly height drops below factory limits — causing valve timing errors, reduced compression, and valve train wear. The Enginetech CHS1016 shim is installed on the block deck surface, beneath the head gasket, to restore the correct stack height without requiring additional machining.

Enginetech is a trusted OEM-quality supplier to professional engine rebuilders, and the CHS1016 is manufactured to precise tolerances to ensure a proper fit and reliable seal when used as part of a complete rebuild.