General description Applications for Chevy V8 Small Block, Big Block, and V6 with Automatic and Manual Transmission featuring a 153 or 168 Tooth Ring Gear from 1955 to 2010. This mini starter motor is designed for high performance and durability, making it ideal for high compression engines up to 18:1. It is constructed from solid billet aluminum and features a compact design for improved clearance between the oil pan and headers. Technical specifications Type: 3HP Voltage: 12V Power: 2kW / 2.68HP Rotation: CW Tooth Flywheel: 153 / 168 Number of Teeth: 9 Gear OD: 0.988 in / 25.1 mm Mtg Ear 1 Hole: 10 mm Unthreaded Mtg Ear 2 Hole: 10 mm Unthreaded Mtg Ear 3 Hole: 10 mm Unthreaded Mtg Ear 4 Hole: 10 mm Unthreaded Compatibility and accessories Compatible with Chevrolet V8 Small Block, Big Block, and V6 engines Includes: 1 x Mini Starter, Rotatable Mounting Pad, Mounting Bolts, Shims & Hardware Installation Professional installation is highly recommended. No instructions included. Usage