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The COMP Cams 316RXH-12 roller camshaft provides a 4 & 7 swap firing order option for Big Block Chevy applications. This cam is specified for builders who need the alternate firing arrangement while retaining a roller profile suited to high-output race and street/strip combinations. Use with compatible valvetrain components and verify firing order changes are properly implemented during installation and tuning.
COMP Cams Camshaft CB 47S 316Rxh-12 4&7
