Assembled 93 standard compression, 93 high compression and 103 Shovelhead motors
All feature classic stock appearance with genuine S&S billet rocker covers and cam covers, S&S rocker arms, Evolution-style cam and tappets, tappet guides and S&S Super Stock® single-fire ignition system with a custom ignition curve tailored to the engine
Available in alternator style
93 standard-compression motor has a 3 5/8 bore, a 4 1/2 stroke, 585 camshaft and cast pistons with 8.2:1 compression ratio
93 high-compression motor has a 3 5/8 bore, a 4 1/2 stroke, 600 camshaft and forged pistons with 10:1 compression ratio
103 motor has a 3 5/8 bore, a 5 stroke, 640 camshaft and forged pistons with 10.7:1 compression ratio