Cometic Cylinder Head Gasket - 4.100 in Bore - Cummins 59111111 Duration 289 / 299

Duration 289 / 299

Spring has superior durability and replaces the stock spring in Ford 9" rear ends with Detroit Lockers

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Cometic Cylinder Head Gasket - 4.100 in Bore - Cummins 59111111 Duration 289 / 299Cometic Cylinder Head Gasket 4. 100 in Bore Cummins COMETIC MLX (Multi Layer Stopper) gaskets utilize an integrated stopper layer for combustion chamber sealing and improved clamp load around the cylinder without increasing bore distortion. MLX technology can be found in some head gaskets and are made from the same materials as our MLS Head Gaskets. No sealants or re torque required. Product Description: Cylinder Head Gasket 4. 100 in Bore 0. 061 in