Heavy Duty High Torque Mini-StarterSmall Block/Big Block Chevy & 90° V62.0KW 12V Motor 15:1 Maximum Recommended Compression RatioFits 153 & 168 Tooth Flywheel/Flexplate High-torque, gear-reduction design. 100 NEW, not rebuilt. Offset design results in more clearance between the oil pan and the starter, and can be rotated for additional chassis clearance. The high-torque, high-output motor spins the engine over faster than stock starters, delivering 40-50 more cranking power. 3.75-to-1 sealed gear-reduction drive and full ball bearing construction. Includes shims to set pinion-gear engagement (when necessary).