The model L60 is a belt-driven, 14 or 28 volt alternator system for wide deck (boss mount) 118H.P. through 300 H.P. Lycoming engines. The kit includes a NEW alternator, steel mounting bracket, belt tensioning arm, belt and mounting hardware, ready to install. The alternator with pulley installed weighs 8.5 Lbs. With 60 amps of output, the L6. Will provide sufficient power to operate electric heaters in the Eze type airplanes. Warning! It is unwise to use this (or any other high output alternator) unless true over voltage protection is also installed. The LR-3 linear regulator and alternator control system is recommended. Model L40 and L60 alternators require external regulators.