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The COMP Cams Ultra Pro Magnum XD Rocker and Pushrod Kit for Chevrolet 396–454 Big Block engines includes 1.7 ratio Ultra Pro Magnum XD rocker arms plus 8.280" intake and 9.250" exhaust Magnum pushrods. Packaged as a matched set, it provides intake and exhaust lengths and the specified ratio for big block Chevy valvetrain compatibility during installation or rebuild.
COMP Cams Rocker/Pushrod Kit; CB 1.7 7/1
