Dynatech 18Mm O2 Plug 785-10094

Stainless Works Plug For O2 Bung 3/4In O2POxygen Sensor Plug - 18 mm x 1.50 Male Thread - Hex Head - Stainless - Natural - 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

Dynatech 3.0In Race Muffler Split Flow 776-06302Muffler - Split Flow - 3 in Center Inlet - 3 in Center Outlet - 5 in Diameter Body - 6 in Long - Steel - Aluminized - Each