S&S CYCLE P-93 Series Engine — 93 cu in, 3.625 in bore, 4.500 in stroke, Silver – 70-86 Big Twin, 79-84 Touring, 82-84, 89 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.