Sportsman XR-1 Muffler 3.5in In/Out x 16in Hayabusa Covers Rocker Arm Stud - Pro

Rocker Arm Stud - Pro Series - 7/16-14 in Base Thread - 3/8-24 in Top Thread - 1

570 in OD - SFI 18

134 in Wall - Steel - Natural - GM F-Body 1970-81 - Kit / Kit includes the following components: ALL99601 Hoop ALL99619 Component Bars

Carburetor Fuel Line - 8 AN Male Inlet - Dual 8 AN Male Outlets - Fittings Included - Stainless - Black - Holley 4500 - Kit

Cylinder Head Porting Kit - Case / Mandrels / Rolls - Universal - Kit

Sportsman XR-1 Muffler 3.5in In/Out x 16in Hayabusa Covers Rocker Arm Stud - ProMuffler XR 1 Sportsman 3. 5 in Center Inlet 3. 5 in Center Outlet 16 x 4. 5 x 7. 875 in Oval Body 20 in Long Stainless Natural Universal Each This part is designed and intended for installation in Ancient (Model Year 1974 or earlier), or Competition, or Racing Vehicles. Competition or Racing Vehicles may be operated exclusively in 1) events organized by recognized bodies with authorizing permits for participating drivers. 2) racing event