2 Long bolt offset pattern. CW Rotation. Use with late model 3.0L engines with 14" flywheel. Replaces Mercruiser 50-807904A1, 50-863007A1, 50-864340A2, 50-806964A4, 50-806964A3, 50-806964A2, 50-812604A2, 50-812428A3, 50-812428A3, 50-12177A2, 50-12121A2, 50-822330A, 814472, 50-99418A2, 50-77328A3, 50-77328A1.