Group 54 group_header Part No. | CH-93 | Torana detail Gasket | HTG-548 | LC-LJ detail GENIII 5.7ltr & detail LS2 6ltr V8 & LS3 | Prim. Pipe | Sec. Pipe | Outlet | Manual | Auto | Oxy Sensor detail Engine Conversion | 2 1/2 detail Try-Y design | 1 3/4 | 1 7/8 | Flanged | Yes | Yes | Yes detail � Must be used with engine mounts CH-EM70 detail � Must be used with gear reduction starter G/R-01/GENIIITOR detail Ceramic coating optional extra. Enquire for price.