3/8-16 x 1

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  • Flowmaster Scavenger Series Elite Header
    SKU: 814110
    • Long tube design with 1-5/8 inch unequal length primaries and a 3.00 inch collector for optimized exhaust scavenging on your Chevy Small Block Gen I
    • Durable silver ceramic-coated finish combines a clean look with lasting protection
    • Complete package includes collector, reducers, and all bolts/studs for installation
    • Ball and socket flange with 3/8 inch flange thickness delivers a secure, sealed connection
    • Fits D port cylinder heads including ZZ4 crate engines and most angle plug heads including factory Chevrolet bow tie heads
  • Flowmaster Scavenger Series Elite Header
    SKU: 814112
    • Replaces restrictive cast iron manifolds to boost throttle response, power and engine efficiency on GM Big Block engines
    • Stainless steel construction with silver ceramic coating for durability and heat management
    • 2 in. primary tubes and a 3.50 in. ball flange collector for strong, leak-free performance
    • 3/8 in. thick flanges and 16-gauge tubing built to High Performance grade standards
    • Includes gaskets, reducers, collectors and hardware for an easy, complete installation
  • Flowmaster Scavenger Series Elite Header
    SKU: 814211
    • Long tube, equal length design with 1-3/4 inch primary tubes for balanced scavenging and improved throttle response, power, and engine efficiency
    • Stainless steel construction with a silver ceramic coating for maximum heat and corrosion durability
    • 3/8 inch thick flanges and 3.00 inch ball flange collector connections ensure a rigid, leak-free installation
    • Complete package includes collector, reducers, gaskets, and mounting hardware for an easier install
    • Purpose-built to replace restrictive factory cast iron manifolds on Ford Small Block engines
  • Flowmaster Scavenger Series Elite Header
    SKU: 814111
    • Long tube, unequal length design with 1-3/4 inch primaries and a 3.00-inch collector for optimized exhaust scavenging on GM Big Block engines
    • Protective Silver Ceramic coated finish helps manage heat and resist corrosion while looking great
    • Rugged 16-gauge tube construction with a 3/8-inch header flange for durability
    • Complete kit includes collector, reducers, gaskets, and all bolts, studs, and hardware for installation
    • Fits Detroit Speed & Engineering front sub frames with rack and pinion steering when big block frame stands and motor mounts are used
    • High Performance grade Scavenger Series Elite engineering from Flowmaster