Fits 1965-1990 Chevrolet 396-454 Big Block with Round PortsUpgrade to Mr. Gasket Aluminum Layered Header Gaskets and eliminate blown exhaust gaskets forever. They conform to warped and damaged surfaces to create an airtight, leak proof seal and will not shrink or deteriorate EVER.

Sold As 14oz Tube

Manifold also fits 1961-63 Buick and Oldsmobile aluminum 215 c

Recommended for API SN/SM/SL/SJ/SH/SG/CF and ACEA A5/B5

Pinion angle adjustments are crucial when wanting to lower your track 60 foot times

Dominator EFI Connector J4 Auxiliary Harness

Designed to work with all popular 5-1/8" diameter carburetors

All of our components are plated for maximum corrosion resistance and long life

mufflers and/or tailpipes or sidemounts in minutes

abrasion resistant Nylon sheathing

Overall: 9

The result has much better durability and wear characteristics than the undersized bearings used in some competitors' plates

Used on mechanical secondary carburetors only