SB/BB 283 327 305 350 396 427 454 Chevy Staggered Bolt Mini Starter 3HP Chromed Brand New High torque sbc bbc chevy 3HP staggered bolt mini starter,chromed. Fit for 283-305-327-350-396-427 and 454 Chevy engines or any that accept a staggered bolt pattern. 168 Tooth,4:1 gear ratio,Pinion gear is supported out at the nose which greatly improves reliability. High torque motor providing 50% more cranking power for SBC/BBC engines. Weight:7.9 lbs, length:9". Compact design,Will crank engines up to 15:1 compression with ease.Has 2 wire posts.