Heatshield Products I-M Heat Shield - LS1 / LS2 / LS6 Intake Manifold NT008003M Make sure that the chain

Make sure that the chain clears oil galley bosses on the block with the chain and sprocket in the rearward most position

Stainless steel hardware delivered type hallen M8X150

Linear / Digressive

Spacers are designed for 3/4" hardware and adjust from 1-3/4" to 2-1/2" wide

Heatshield Products I-M Heat Shield - LS1 / LS2 / LS6 Intake Manifold NT008003M Make sure that the chainProduct Description: Heat Shield I M LS1 LS2 LS6 Intake Manifold 1100 Degrees California based Heatshield Products is a family owned manufacturer of heat management solutions for a wide range of automotive applications. Made in the USA of the highest quality materials, the Heatshield line of products reduces radiant heat by up to 90%, protecting valuable components from extreme heat and improving driver comfort. Show more