Athena 03-24 Yamaha YZ250 LC 293cc 72mm Big Bore Cylinder Gasket Kit P400485160183 Truck Knucks Base 1974 Dodge M300 Base

Base 1974 Dodge M300 Base 1978 - 1979 Dodge Magnum XE 1960 Dodge Matador Base 1981 - 1983 Dodge Mirada Base 1980 - 1983 Dodge Mirada Special Coupe 1967 - 1968 Dodge Monaco 500 1965 - 1978 Dodge Monaco Base 1974 - 1978 Dodge Monaco Brougham 1977 - 1978 Dodge Monaco Crestwood 1974 Dodge Monaco Custom 1975 - 1976 Dodge Monaco Royal Brougham

The pipe ends are bead rolled and the assembly is mounted to the core support (in the factory location) to help prevent couplers from popping off under boost

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COMP Cams Camshafts 12-769-8 CamShaft

The OEM headers greatly restrict air flow right after the engine port

Athena 03-24 Yamaha YZ250 LC 293cc 72mm Big Bore Cylinder Gasket Kit P400485160183 Truck Knucks Base 1974 Dodge M300 BaseATH Big Bore Cyl Gasket Kits