Group 76 group_header Part No. | CH-88 | Truck detail Gasket | HTG-548 | C10-C20-C30 detail Small Block detail Try-Y design | Prim. Pipe | Sec. Pipe | Outlet | Manual | Auto | Oxy Sensor detail Mandrel Bent detail 1 5/8 | 1 3/4 | 2 1/4 | Yes | Yes | N/A detail � Will not fit 1974-80 models detail � Will not fit 4WD detail � Will not fit C1500 as Chassis is different detail Ceramic coating optional extra. Enquire for price