Hooker Exhaust Manifolds - 2-1/2 in Outlet - Raised D Port - Black Ceramic - Small Block Chevy (Pair) SB180020 Rubber boot threads on after

Rubber boot threads on after installation to help seal out the elements

Improved ignition switch with mating connector and 4 additional accessory and ignition terminals

Kits are constructed of 1-3/4" x

intelligently engineered parts

all-terrain vehicles and many others requiring API service category TC

Hooker Exhaust Manifolds - 2-1/2 in Outlet - Raised D Port - Black Ceramic - Small Block Chevy (Pair) SB180020 Rubber boot threads on afterThese manifolds do not fit 1st generation F Body cars. These cast exhaust manifolds have been designed to fit into a wide variety of replacement and engine swap applications, with final outlet connections to be fabricated by the installer. The manifolds will not directly bolt onto factory downpipes. Made from high silicon molybdenum ductile iron for high temperature strength plus resistance to oxidation and cracking Designed with a larger 1 5 8" cross