Pair of Brand New Southwest Speed Painted Flat Black Chevy Chassis Headers that fits 1955-1957 Chevy's with 396-502 Cu. In. Big Block Chevy Engines (SWS Part # 440-2373) > This Pair of Southwest Speed Big Block Chevy Chassis Headers are a must for any 1955-1957 Chevy with a Big Block Chevy Engine Swap
The OEM bell housing frame mounts must be removed, and Southwest Speed side engine mounts, and automatic rear transmission crossmember must be installed for header clearance > These headers are Ground parallel with .380" flanges on the cylinder head surface, and feature 1-7/8" Primary tubes with 3" collectors, complete with header bolts and gaskets and reducer bolts and gaskets
Includes a pair of 3" to 2 1/2" reducers to complete the installation > These headers do not fit angle-plug heads *** Note: These headers will not work with manual transmissions due to clutch linkage issues ***
Features: > 34"-36" long primary tubes > 1 7/8" diameter primaries to the 3" diameter collectors > 3" diameter to 2 1/2" diameter reducers > A Must for Big Block Chevy Engine Swaps > Great for Hot Rods, Rat Rods, Street Rods, and any Nostalgia Rod > More Performance > Better Fuel Mileage > Great Choice to replace cast iron exhaust manifolds > Enhances the looks of any rod > Includes gaskets and mounting hardware > Painted Flat Black to resist early corrosion
Applications: | Chevy with BBC 396-502 Cu. In. Engines: > 1955-1957 Bel Air > 1957 Delray > 1955-1957 Nomad > 1955-1957 One-Fifty Series > 1955-1957 Sedan Delivery > 1955-1957 Two-Ten Series > Fits Big Block Chevy 396-502 Cu. In. Engines with standard exhaust pattern
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