Installation Notes: This unit comes equipped with a smaller 1.75 inch diameter alternator pulley, and will require a slightly shorter drive belt for proper belt tension.  Not recommended for sustained use above 5,000 RPM engine speed. ((Check...

S Series The S series of 6 phase alternators offers incredible output in a compact and durable package. Highly efficient, these units use less horsepower than conventional 3 phase alternators. 12 diodes, twin rectifier plates and outstanding airflow...

S Series The S series of 6 phase alternators offers incredible output in a compact and durable package. Highly efficient, these units use less horsepower than conventional 3 phase alternators. 12 diodes, twin rectifier plates and outstanding airflow...

Complete Kits: Includes Bracket Assembly, Belt, and Two Black B8206400B Alternators FInish: BLACK Anodize After years of research and revisions, and thousands of miles of real-world testing, Mechman is proud to offer the most complete and functional dual...

Complete Kits: Includes Bracket Assembly, Belt, and Two Red B8206400RD Alternators Finish: RED Anodize After years of research and revisions, and thousands of miles of real-world testing, Mechman is proud to offer the most complete and functional dual...

Complete Kits: Includes Bracket Assembly, Belt, and One Red B8206400RD Alternator Finish: RED Anodize After years of research and revisions, and thousands of miles of real-world testing, Mechman is proud to offer the most complete and functional dual...

Complete Kits: Includes Bracket Assembly, Belt, TWO Black B8206400B Alternators Finish: BLACK Anodize After years of research and revisions, and thousands of miles of real-world testing, Mechman is proud to offer the most complete and functional dual...

Complete Kits: Includes Bracket Assembly, Belt, Two RED B8206400RD alternators and 2 single wire alternator harness plugs(P101) with the RVC/ECU controlled voltage bypass module(P103). FInish: RED Anodize After years of research and revisions,...

This high output alternator features late model 6-phase hairpin stator technology in a custom machined housing that bolts directly in place of the antiquated 11SI design. Don't be fooled by cheap re-winds advertised as making 150-200 amps in the original...

*** FOR HIGHER AMPERAGE OUTPUT (240), PLEASE CONTACT US. *** This MechMan Marine certified high output 170 amp 6 phase alternator is a great upgrade for boats using the popular 6.61 inch center-to-center bolt pattern alternator. This style alternator was...

This is a simple pigtail that plugs into any oval shaped 4 pin GM alternator plug. The yellow wire gets connected to any ignition switched 12 volts. This is a great way to easily wire multiple GM alternators onto a vehicle, or adapt a GM alternator on to...

This module is for use on GM vehicles equipped with a 2 pin regulator and a RVC sensor (Regulated Voltage Control). Simply plug module into your vehicle's factory harness and tie out of the way. This will eliminate the check charging system code (battery...