Briggs & Stratton 492341 Ignition Coil For 13,14 and 15 HP (28 CID) OHV Vertical Engines Briggs & Stratton 802574 For 13,14 and 15 HP (28 CID) OHV Vertical engines For 9, 12.5 and 14 HP Vanguard (V-Twin 2 used) For 10-13 HP (28 CID) L-Head engines,11 and 13 HP Vanguard Horizontal Also for Vanguard V-Twin engines