Header Flange - 0.313 in Thick - 1.57 x 2.25 in Oval Port - Steel - Big Block Ford - Pair

Header Flange - 0.375 in Thick - 1.75 in Round Port - Steel - GM LS-Series - Pair

Enhance the performance and durability of your Small Block Chevy engine with the SBC 18 Degree Header Flange Kit by HEDMAN. Crafted from durable steel with a 0.375-inch thickness, these premium header flanges feature a 2-inch square port design for...

Header Flange - 0.375 in Thick - 1.5 x 1.84 in Oval Port - Steel - Small Block Chevy - Pair

Header Flange - 0.313 in Thick - 1.625 in Round Port - Steel - Small Block Chevy - Pair

Header Flange - 0.313 in Thick - 1.5 x 1.79 in Rectangle Port - Steel - Small Block Chevy - Pair