Dynatech Slip-On Header Collector 2.5 X 5.0 Od 783-91250

Dynatech Slip-On Collector 2-3/8 X 4-1/2 783-81245Collector - Slip-On - 4 x 2-3/8 in Primary Tubes - 4-1/2 in Outlet - 12 in Long - Steel - Black Paint - Each

Dynatech Collector 2-1/4 X 4In X 12In Long 783-71240Collector - Slip-On - 4 x 2-1/4 in Primary Tubes - 4 in Outlet - 12 in Long - Steel - Black Paint - Each

Dynatech Sbc Stahl Header Adapter 796-00100Header Flange Adapter - 5/8 in Thick - 1-1/8 in Square Port - Hardware Included - Aluminum - Small Block Chevy to Stahl Pattern - Kit