Step-Up Spring Assortment (5 pair)

Victor Jr. 454-O (3000-7500 Rpm)

Designed for competition 396-502 Big Block Chevy's #2902 fits rectangular-port heads and #2904 fits large oval-port heads (1975-earlier) These intakes are designed to optimize the flow characteristics of an 850 CFM standard flange carburetor Features include extended runner dividers, smaller plenum chambers and unique runner design for max power from 3000 to 7500 RPM These manifolds are especially suited to 502 cid and smaller competition engines Testing has proven these manifolds superior to our competitors Victor Jr.454-R #2902 will fit Edelbrock Victor race heads #7760.

Victor Jr. 454-R (3000-7500 RPM)

Designed for competition 396-502 Big Block Chevy's #2902 fits rectangular-port heads and #2904 fits large oval-port heads (1975-earlier) These intakes are designed to optimize the flow characteristics of an 850 CFM standard flange carburetor Features include extended runner dividers, smaller plenum chambers and unique runner design for max power from 3000 to 7500 RPM These manifolds are especially suited to 502 cid and smaller competition engines Testing has proven these manifolds superior to our competitors Victor Jr.454-R #2902 will fit Edelbrock Victor race heads #7760.