The Header Exhaust Gaskets is suitable for SB, for Chevy 283-327-350-383-400 engines all;Fits all SB Chevy engines oval port.
Surface Finish:COPPER / INLAY;Made of copper.;Reusable, no sealant required.
Safe and Reliable:Own different test machines to design exact accurate parameter for our products. All switches were tested for performance.
Seal perfectly every time by creating a tight leak proof seal by using a clad o-ring design that will last.
Made by high quality material, lightweight, anti-rust, colorfast and durable. Aftermarket product with premium quality. Stable performance, high reliability,suitable for replacing your broken one.