FOR CHEVY SMALL BLOCK V8 283-400 EXHAUST MANIFOLD LONG TUBE HEADER+GASKET/BOLT. Our 4-1 Long Tube off-road headers are designed to allow the exhaust gasses to flow more freely from each 4 cylinder bank and combine in a more efficient manner. Tubing has been optimized for the Small Block 283/302/305/307/327/350/400 cubic inch engines.
This creates a reduction in cylinder backpressure and improved exhaust gas velocity. These improvements free up lost horsepower and torque. An added benefit is a more performance oriented exhaust sound. Made of high quality T-304 stainless steel material. TIG welded CNC machine flange.
2 x 4-1 racing design. Increase high flow air, instantly gain 10 to 15 Hp. 1 x Header exhaust system.
Professional Installation is Highly Recommended. Installation Instruction is NOT Included. Video will open in a new window. DOMESTIC LOWER 48 US STATES.
We are not responsible for incorrect or undeliverable addresses. Some of the packages cannot be delivered to a PO Box. Package will be held until a valid physical address is provided. For emissions related items, please check with your local jurisdiction for emission specific requirements before purchasing.All items do not come with installation instruction unless otherwise specified. The item "FOR CHEVY SMALL BLOCK V8 283-400 EXHAUST MANIFOLD LONG TUBE HEADER+GASKET/BOLT" is in sale since Tuesday, July 08, 2014. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exhaust\Exhaust Manifolds & Headers". The seller is "speed_daddy" and is located in Rowland Heights, California. This item can be shipped worldwide.