Add to Cart Quick view Header Flange Kit - SBC 5/16 Thick PATRIOT EXHAUST MSRP: Now: $54.95 Was: Header Flange - 5/16 in Thick - 1-5/8 in Round Port - Steel - Small Block Chevy - Pair PEPH7864
Add to Cart Quick view Header Flange Kit - SBF 5/16 Thick PATRIOT EXHAUST MSRP: Now: $54.95 Was: Header Flange - 5/16 in Thick - 1.3 x 1.64 in Rectangle Port - Steel - Small Block Ford - Pair PEPH7842
Add to Cart Quick view Header Flange Kit - BBC 3/8 Thick PATRIOT EXHAUST MSRP: Now: $104.95 Was: Header Flange - 3/8 in Thick - 2.23 x 1.85 in D Port - Steel - Big Block Chevy - Pair PEPH7898
Add to Cart Quick view Header Flange Kit - SBC 3/8 Thick PATRIOT EXHAUST MSRP: Now: $59.95 Was: Header Flange - 3/8 in Thick - 1.5 x 1.84 in Oval Port - Steel - Small Block Chevy - Pair PEPH7863
Add to Cart Quick view Header Flange Kit - GM LS1 - 3/8 Thick PATRIOT EXHAUST MSRP: Now: $69.95 Was: Header Flange - 3/8 in Thick - 1.75 in Round Port - Steel - GM LS-Series - Pair PEPH7893
Add to Cart Quick view 5/16-24 Large Flange Header Nut (1pk) ARP MSRP: Now: $3.99 Was: Nut - 5/16-24 in Thread - 3/8 in 12 Point Head - Chromoly - Black Oxide - Universal - Each ARPAGN12-5CL
Add to Cart Quick view Header Flange Plate Kit MOROSO MSRP: Now: $151.99 Was: Header Flange - 3/8 in Thick - 1 in Round Port - Aluminum - Small Block Chevy - Kit MOR67650