Flowtech Turbo headers are the perfect combination of quality and value. These SBC (Small Block Chevy) Turbo headers are available in 1-3/4 in. and 1-7/8 in. mandrel bent tube diameters and a 2.50 in. collectors with merge spears for increased exhaust velocity. The Flowtech SBC Turbo headers are an ideal design creating a compact package within your engine bay allowing a variety of configurations (Up and Forward, Down and Forward, or Down and Back) when planning turbo placement in your engine bay. These headers use a 3/8 in. thick flange for a leak free seal and 2.50 in. V-band flanges and clamps for a superior seal and even pressure at the collector flange. Premium header gaskets and hardware are all included. Universal Turbo Headers For Small Block Chevy Engines Available w/1-3/4 in. Mandrel Bent Primary Tubes 2.50 in. Collectors w/Merge Spears For Increased Exhaust Velocity 3/8 in. Thick Header Flanges For A Leak-Free Seal 2.50 in. V-Band Flanges And Clamps Premium Header Gaskets and Bolts Included Available In Polished 304 Stainless Steel Designed For Up And Forward/Down And Forward/Down And Back Attributes: GTIN: 00090127042076 Brand Name: FlowTech Coated Finish: Polished Collector Tube Size: 2.500 in. Engine Make/Size: Chevy Small Block Material: 304 Stainless Steel Tube Diameter: 1.750 in. WARNING CA Proposition 65: Yes WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov Extended Information: Country of Origin: China Emissions : Electronically Announced Life Cycle Status: Available To Order Packing Information: Quantity of Each: Package UOM: Dimension: 28.7000 x 14.7000 x 9.6000 inches Weight: 22.1000 lb