Starter Drive Kit / Briggs & Stratton 696539Pack Size:1Briggs & Stratton 495877, Briggs & Stratton 696539ESF 178-112, Foley/Belsaw 5980061, Foley/PLP 178-112, Green Line 54671, NHC 269-1214, Oregon 33-003, Prime Line 7-03445, Ratio Parts 3-455, Rotary 9362, Sunbelt BR-70, Sunbelt B1BR70Briggs & Stratton All electric start engines retained with a roll pinTeeth: 16 teeth on gear, Kit includes starter gear, spring retainer, return spring, clutch retainer, roll pin and roll pin cage