MSD Ignition APS Starter Features: Gear Reduction Of 4.4:1 5 Horsepower Motor Plenty Or Torque For High Compression Billet Mounting Block Improves Torque For Great Cranking Downsized Design Helps Clearance Issues Mount Can Be Clocked To Assist In Mounting Height: 6.50 Width: 7.00 Length: 13.00 Weight: 11.90 lbs