Product Review
Our rocker arm and pushrod kit for Chevrolet 396-454 Big Block includes a set of our 1.72 ratio Magnum rockers, 8.280" long intake and 9.252" long exhaust High Energy pushrods.
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Our rocker arm and pushrod kit for Chevrolet 396-454 Big Block includes a set of our 1.72 ratio Magnum rockers, 8.280" long intake and 9.252" long exhaust High Energy pushrods.
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