High-Torque Starter 4.41:1 Gear Reduction High Compression GM LS V8 ProformFor engines with large cubic inches or compression ratios, these 100 percent new starters provide the gear reduction needed to get large engines turned over. Built from scratch with all new components, the torque rating is a healthy 4. 41: 1 gear reduction, capable of cranking engines up to 14: 1 compression. Mounting bolts and adjustment shims included. Features: Gear Reduction Ratio: 4. 41: 1 High Compression Racing Style Offset Design for More Oil