Powermaster Ford Style Race XS Volt 1-Wire 12V / 16V Alternator - 150 amps - 6-Rib Serpentine Pulley - Black HA0-0741-B01-041 Now this brings us to

Now this brings us to the metering jets

Seven LED RPM/shift light indicators on top of the housing (programmable and dimmable)

Switch is adjustable to illuminate when pressure falls below 15 to 50 psi

the earlier style is 2

Fits SA/SP108

Powermaster Ford Style Race XS Volt 1-Wire 12V / 16V Alternator - 150 amps - 6-Rib Serpentine Pulley - Black HA0-0741-B01-041 Now this brings us toProduct Description: Alternator Ford Style Race Smooth XS Volt 150 amps 12V 16V 1 Wire 6 Rib Serpentine Aluminum Case Black Paint Ford Powermaster Motorsports is the leader in high performance OEM replacement alternators and starters for the automotive industry. Powermaster Motorsports also offers alternator kits that include pulleys, belts and brackets. Powermaster has rapidly become a force in the industry. Built on service and backed by an enviable