Seller notes

COMP Cams 17021-1 Engine Rocker Arm COMP Cams 17021-1 With a needle bearing fulcrum and a roller tip, our die cast aluminum rockers decrease friction and improve horsepower. Featuring a 1.7 ratio, this rocker fits Chevrolet 396-454 Big Block w/ a 7/16 stud. Engine Rocker Arm SPECIFICATIONS: Amazon ASIN: B0046ZEDO4 C.A.R.B. E.O. Number: N/A C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, but must meet tailpipe emission standards for year of vehicle. C.A.R.B. Exem...

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