Welcome to Speed Daddy. 8-2-1 EXHAUST MANIFOLD HEADER EXTRACTOR LONG TUBE FOR 67-74 SBC LS1-LS6 LSX SWAP. Tubing has been optimized for the Small Block LS1 and LS6 engines will also fit LS based truck engines 4.8/5.3/6.0. 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 with Computerized Mandrel-Bends for Strength and Durability i. Maximizing Smoothest High Exhaust Air Flow Rate. 4-1 High Performance JDM Racing Spec. Design, Produces the Most Top End Power. Offers the Best Flow Characteristics for the Engine at High Engine Speeds. Increase High Flow Air, Instantly Gain 10 -15 Hp. For Chevy LS V8 Engine swaps only. Inlet/ Outlet: 1-7/8″ OD / 3.00″ OD. 6-Bolt Exhaust Outlet Flange. 16 Gauge Wall Piping. 9mm Exhaust Manifold Flange Thickness / 8mm Collector Flange Thickness. TIG Welded CNC Machine Flange. O2 Sensor Bung Insertion and Metal Gasket Included. 1 x Set of Exhaust Headers. Hardware as Shown in the Picture Above. Professional Installation is Highly Recommended. For LS V8 Engine Swaps only. 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. Subscribe to our Newsletter. The item “8-2-1 EXHAUST MANIFOLD HEADER EXTRACTOR LONG TUBE FOR 67-74 SBC LS1-LS6 LSX SWAP” is in sale since Thursday, April 2, 2015. 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 Texas, TX. This item can be shipped worldwide.

• Brand: Speed Daddy
• Manufacturer Part Number: SDD-HDSNOVA74
• Material: T-304 Full Stainless Steel
• Surface Finish: Chrome Polished Stainless Steel
• Fitment Type: Performance/Custom
• Restricted States: California
• Interchange Part Number: SDD-HDSNOVA74
• Other Part Number: SDD-HDSNOVA74
• Placement on Vehicle: Front
• California Prop 65 Warning: This product contains chemicals known to the State.
• Superseded Part Number: SDD-HDSNOVA74
• Color: Metallic
• Installation Note: For LS V8 Engine Swaps ONLY
• Header Inlet / Outlet Size (IN): 1-7/8″ OD / 3″ OD