High Speed APS™ Starter; Chevy V8; 153/168 Tooth; For Magnetos/Alcohol; Red;Anyone who struggles to start their Chevy race engine reliably because the starter can't keep up needs to check out the new high speed APS starter. This starter was designed for race engines using magnetos that require higher cranking speed. The 25% extra speed makes it so that even the most stubborn of motors will start. The extreme durability built into these starters ensures they can handle the teams that use them.