Cometic Cylinder Head Gasket - 4.100 in Bore - Cummins HASZ20IM The Bell XR-7 is the

The Bell XR-7 is the next evolution of the trusted GP3

The 300cc rectangle ports produce impressive flow and great power on competition big-blocks up to 510 c

and 4 programmable inputs and outputs

Provides faster acceleration

Cometic Cylinder Head Gasket - 4.100 in Bore - Cummins HASZ20IM The Bell XR-7 is theCometic 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