Hedman Block Hugger Headers - 1.5 in Primary - 2.5 in Collector - Black Paint - Small Block Chevy - Street Rod 1923-49 - Pair Square Steel Tubing Tubing The internal arch support is

The internal arch support is not found in many motorsports shoes but greatly increses the comfort when wearing for an extended period

and body mounts to stressed driveline components like motor and Transmission mounts and lift kits

5mm Super Conductor wires with high temp silicone-fiberglass sleeving

Direct replacement for all factory 3-Bolt GM LS Engines

GM Fullsize Truck 2011-19

Hedman Block Hugger Headers - 1.5 in Primary - 2.5 in Collector - Black Paint - Small Block Chevy - Street Rod 1923-49 - Pair Square Steel Tubing Tubing The internal arch support isHedman Hedders Block Hugger Headers; Chevy Sb 283 400; 1 1 2" Tubes; Uncoated The compact, low profile design of Hedman's Block Hugger Hedders is ideal for factory manifold replacement, or engine swap projects that do not have a Hedder designed specifically for the applications. Hedman Hedders Street Rod Painted Block Hugger Exhaust Hedder 68360 Tube Size 1. 5 in. Collector Size 2. 5 in. Chevy 283 400 cid Shortie Style Highest Quality Materials