V-Belt Pulleys

181 - 2.8” Diameter
182 - 4” Diameter
183 - 5 1/4” Diameter

All V-groove pulleys are deep groove to ensure belt retention at high RPMs

Cog/Gilmer Pulleys

190 - 16 Tooth
191 - 20 Tooth

Cog/ Gilmer Crank Pulleys

Water Pump Drive System for Alternator

170 - Serpentine
171 - V-belt
(not shown)

Voltage Reducer

990 - 10.0 Amps
6.1”L x 4.75”W x 2.125”H

A voltage reducer steps 16-24V down to 13.8V for sensitive components like computers, etc. Powermaster’s voltage reducers feature fully regulated output voltage, spike & surge protection, crowbar type overvoltage protection, & foldback current limiting under overload or short circuit conditions.

991 - 15.0 Amps
8.66”L x 4.75”W x 2.125”H

Spacer Kits

Motorplate Spacer Kit

This kit spaces the alternator and crank pulley away from the engine 2 3/4” to put the entire assembly in front of a motor plate (Works with bracket #881 or 882.) The kit includes billet aluminum crank pulley spacers, bolts, and bracket spacers.

Part # 982

67-69 Camaro/Nova Spacer Kit

This kit was designed for owners of ‘67-69 Camaros that would like to install the 100 Amp Pro Series Kit # 8-881 but have a problem installing it with crossmembers. This spaces the crank pulley and bracket away from the crossmembers.

Part # 981