Introducing the new line of Starters and Alternators from MSD! The Dynaforce Starter has a 3.4 horsepower motor and 4.4:1 gear reduction to easily turn over high compression engines. With its downsized housing and adjustable billet mounting block, installation is easy. MSD knows what it takes to power up your engine. WIth the Dynaforce Alternator, MSD has you covered! The 120 or 160 amp one-wire alternator is designed for extreme output at higher rpm while still balancing the current output to keep your electronic components up to speed during idle. Now Available for Street and Race Applications.