Seller notes

Ultra Pro Magnum Rocker ArmsChevy Big Block V8 396-454Rocker Stud: 7/16"Ratio: 1.716/pkg 8650 Chromemoly Steel29 Percent Stronger Than Pro MagnumRedesigned Steel Stud Mount RockerReduced Weight And Greater StrengthIncreased High RPM StabilityBlack Oxide Exterior FinishIncreased Retainer And Valve Spring ClearancesLifetime Warranty396; 402; 427; 454; 496; 502; 572; 632; Chevrolet; BBC; Big Block Chevy; Big Block Chevrolet; Chevelle; Corvette; Mark IV; GEN 4; Monte Carlo; Caprice; Sprint; Nova; Ca...

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