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1970-74 GM F-body Full Length LS Engine Swap Headers for Hot LS1/LS6/LS2 (cam, heads, nitrous), 6.2L (L92) Vortec truck, LS3/LS7 or all supercharged LS/Vortec engine swaps
Features:
Premium fitment with optimized ground clearance. The only 1970-74' specific header design in the marketplace
Laser cut 3/8" flanges with flat-finished TIG welded port sealing
1-7/8" primaries/3" collectors
Designed and intended for installation only with Hooker LS swap engine mounting brackets and transmission crossmembers for this application. Will not install with any other brand of mounts
Compatible with Quick Time (TM) bellhousings, mechanical clutch linkage (requires custom Z-bar/pivot ball assembly), stock A/C evaporator case on firewall, straight boot spark plug wires and Holley LS swap oil pan and accessory drive brackets
Connects directly to Hooker 3" 2nd-gen F-body exhaust system.Connection to 2-1/2" Hooker 2nd-gen F-body exhaust system requires the use of an available mid-pipe kit
Compatible only with stock height subframe/body mounts. Installation with half-height mounts will require modification to vehicle floor panels
Automatic and manual transmission compatible
Will not install with factory column shift linkage, Lokar or similar aftermarket shift cable or linkage required for column shift applications
1970-1974 GM LS 2nd Gen (Camaro/Firebird), Tube Size 1-7/8, Collector Size 3 inch, Port Shape - round
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Manufacturer
Holley products have been the undisputed leader in fuel systems for over 100 years. Holley carburetors power every NASCAR Sprint Cup team and every NHRA Pro–Stock champion. Holley's products include performance fuel pumps, fuel injection, intake manifolds, cylinder heads & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies, Hooker Headers, Flowtech Headers, NOS, Weiand, or Earl's, Holley products can give you the edge you need over the competition.
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