Pushrod, engine, exhaust, Norton twins, each. Hi Tensile Hollow Steel Tube, Hardened Steel Ends. Models 7 & 88. Nominal Length: 7-1/16in 7.06in (180mm); Outside Diameter: 3/8in; Weight: 61.1G Original part numbers D12/82; 067032 (ex) -push rod complete (exhaust)