Headers - Competition - 1.625 in Primary - 2.5 in Collector - Gaskets / Hardware Included - Steel - Metallic Ceramic - Small Block Chevy - GM Fullsize SUV / Truck 1963-91 - Pair

Headers - Competition - 1.625 in Primary - 2.5 in Collector - Gaskets / Hardware Included - Steel - Black Paint - Small Block Chevy - GM Fullsize SUV / Truck 1963-91 - Pair

Headers - Competition - 1.625 in Primary - 2.5 in Collector - Gaskets / Hardware Included - Steel - Metallic Ceramic - Small Block Chevy - GM Fullsize SUV / Truck 1967-91 - Pair

Headers - Competition - 1.625 in Primary - 2.5 in Collector - Gaskets / Hardware Included - Steel - Black Paint - Small Block Chevy - GM Fullsize SUV / Truck 1967-91 - Pair

Header Flange - 0.375 in Thick - 1.554 x 1.886 in Rectangle Port - Steel - Small Block Chevy - Pair

Upgrade your Small Block Chevy engine with the SB Chevy 1.875in Flanges Round Port Outer Flange from HEDMAN. These durable header flanges are precision-crafted with a 0.375-inch thickness for optimal performance. With a 1.875-inch round port design,...