Notes: Fits D port cylinder heads including ZZ4 crate engines. Does not fit 1967-1969 Camaro's with air conditioning. Will fit most angle plug heads including factory Chevrolet bow tie heads. Requires removal or modification of locking steering columns if equipped. Installation requires new left side air conditioning bracket. This product is legal only for off-highway use except in California or states that have adopted California emission standards, racing use or for use on pre-emission controlled motor vehicles and motor vehicle engines and pre-1966 domestic vehicles certified to California standards, pre-1968 domestic vehicles certified to federal standards and all pre-1968 foreign vehicles, per the application guide.

Features

Fits Most GM Heads with D-shaped Exhaust Ports

Flowmaster Ball & Socket Collector Connections

Dyno-tuned for Maximum Performance

16-gauge Stainless Steel Construction

High Temperature Ceramic Coating

Covers Many GM Models with SBC

Heavy 3/8-inch Thick Flanges