ApplicationCompatible for Chevy V8 Small/Big Block, V6, A/T or M/T with 153 or 168 Tooth Ring Gear.Compatible for Chevrolet AstroBase 1985-2002 V6 4.3LCompatible for Chevrolet AstroCL 1985-1995 V6 4.3LCompatible for Chevrolet AstroCS 1985-1994 V6 4.3LCompatible for Chevrolet AstroLT 1987-2002 V6 4.3LCompatible for Chevrolet Bel AirBase 1970-1975 V8 7.4LCompatible for Chevrolet BiscayneBase 1970-1972 V8 7.4LCompatible for Chevrolet BlazerBase 1973-1999 V6 4.3LCompatible for Hatachi: S114-823, S114-823SOEM(s) Replaced19695, 19695N, S114-823, S114-823SSpecificationStarter Finish: Black painted Adjustable Mounting Block: Yes Starter Rotation: Standard Maximum Recommended Compression Ratio: 15.1:1 Gear Reduction Ratio: 3.73:1 Mounting Block Material: Billet aluminum Voltage: 12v Power: 1.4kw Condition: New Rotation: CW Starter Type: PMGR Number of Teeth: 10 Gear OD: 1.102in / 28mm Mtg Ear 1 Hole: 10.0mm Unthreaded Mtg Ear 2 Hole: 10.0mm Unthreaded Mtg Ear 3 Hole: 10.0mm Unthreaded Flywheel/