S&S CYCLE P-93 Series Engine — 93 cu in, 3.625 in bore, 4.500 in stroke, Silver – 70-86 Big Twin, 79-98 Touring, 85-98 Softail, 91-98 Dyna, 82-94 FXR, 84 Police
Fits '70-'84 custom chassis with alternator-style primary; correct sprocket shaft length; accepts '66-'84 exhaust and intake systems; oil filter mount for generator location.