Headers - Street - 1.625 in Primary - 3 in Collector - Steel - Metallic Ceramic - Small Block Chevy - GM Fullsize SUV / Truck 1967-87 - Pair . **NOTE:
Proposition 65: These products may contain a chemical known to the state of California to cause cancer and birth defects or other reproductive harm. For more details visit https://www.p65warnings.ca.gov/