SBM Head Gasket - 64-89 18 Bolt Heads

The FEL-PRO SBM Head Gasket for 64-89 18 Bolt Heads (MPN 1100) is a specialized cylinder head gasket designed for Small Block Mopar platforms. This gasket is intended for engine builders and restoration specialists performing head gasket replacements or cylinder head work.

Featuring a steel core laminate construction, it has a standard bore size of 4.180 inches and a compression thickness of 0.039 inches. This design ensures reliable sealing under sustained pressure and temperature cycling, making it suitable for standard applications in 318, 340, and 360 engines.

Whether addressing a failure on an original engine or rebuilding a stroker platform, the FEL-PRO 1100 provides dependable sealing for Small Block Mopar cylinder heads across the 1964–1989 model years with 18-bolt configurations.