It measures about 1-1/4 and should be sufficient for most small block cylinder heads. Will clear most straight and angle plug heads. Will not work with GM "fastburn" heads. These fit great in a variety of street rod and vintage truck applications (particularly those with Mustang II-type suspensions). Powered by SixBit's eCommerce Solution.
The item "Small Block Chevy SBC 283-350 V8 Ram Horn RAW Exhaust Manifold Header StreetRod" is in sale since Saturday, July 20, 2019. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exhaust\Exhaust Manifolds & Headers".The seller is "motornets" and is located in Chino, California. This item can be shipped worldwide.