Description

The Industrial Injection Fire Ring Gasket Kit upgrades the head-to-block seal on the 2003-2007 5.9L Common Rail Cummins with a machined steel fire ring and matching gasket. The kit is sent to a machine shop to cut the corresponding grooves into the cylinder head, and installation instructions are included. Industrial Injection also offers cylinder heads with the fire ring grooves pre-cut.

Part Number: PDM-54557A

Features

• Fire ring diameter: 4.550"
• Fire ring thickness: .105"
• Groove depth: .034"-.036"
• Includes head gasket and instructions
• Designed to be cut into the cylinder head by a machine shop
• Also available pre-installed on Industrial Injection cylinder heads — see the 2003-2007 Cummins Performance Head (PDM-59CRSTH)