Fit GM Chevy SBC 65-74 Small Block V8 283-400 Long Tube Header Manifold Exhaust. Our 4-1 Long Tube Style 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. 1 x Set of exhaust header. All necessary hardware, bolts, and gaskets. Made of High Quality T-304 Stainless Steel with Computerized Mandrel-Bends for Strength and Durabilityi.
Maximizing Smoothest High Exhaust Air Flow Rate. 4-1 High Performance Racing Spec. TIG Welded CNC Machine Flange.O2 Sensor Bung Insertion and Metal Gasket Included. Piping Diameters: 4 X 1.75" Manifold Piping; into 1 X 3.5" Major Pipe. Increase High Flow Air, Instantly Gain 10 -15 Hp. Professional Installation is Highly Recommended. Installation Instruction is NOT Included. Fits Small Block Chevy motors only. Will not fit Big Block equipped vehicles.
WE HIGHLY RECOMMEND PROFESSIONAL INSTALLATION! Top reputable aftermarket performance retailer providing quality tested products for your cars and trucks. We are committed to providing the best products backed by the best service to ensure you have positive experience with shopping at our store.Currently we do not accept exchanges. Instruction manuals are NOT included with most of our products unless otherwise stated in product description. For emissions related questions, please check your local jurisdiction for emission specific requirements before purchasing. The item "Fit GM Chevy SBC 65-74 Small Block V8 283-400 Long Tube Header Manifold Exhaust" is in sale since Thursday, January 28, 2016.
This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exhaust\Exhaust Manifolds & Headers". The seller is "newpoint_motor" and is located in Rowland Heights, California. This item can be shipped worldwide.