Swift Bump Spring - 1400 lb. Aviation Carrying Bags Will allow any 4150 or

Will allow any 4150 or 4160 carburetor to be mounted on manifolds designed originally for Rochester Quadra-Jet or Carter Thermo-Quad carburetors

For Funny Cars and Dragsters

Printoseal elastomeric sealing beads to provide extra sealing strength around the intake port

These heads include an adjustable rocker stud and guide plate set-up for use with adjustable rockers or washers to properly position the stud height to accommodate factory style self-aligning rocker arms

M and L-59) and one for large sizes (L-60

Swift Bump Spring - 1400 lb. Aviation Carrying Bags Will allow any 4150 orSwift 2" O. D. bump springs offer the highest measurable shock stroke in the industry and, unlike inefficient rubber and foam bump stops, they are resistant to fatigue and heat. Swift Springs manufactures springs with differing rates for a variety of circle track racing applications. With options for both dirt and asphalt tracks, Swift has a wide range of coil spring formats, including coil over, dual rate, bump springs, and more. Swift Springs