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Chrome GM Chev Alternator 105 Amp, Single Wire, Internal Reg, SBC, Holden
Part #R3902C
Price: $210.00
ARC Performance
GM Chrome 100 Amp Alternator
• "Delco SI" style case
• 105 amp
• Single wire, or with charge light
• 11A V belt pulley
• Chrome finish
• Standard GM 6.5 inch mounting centres
The "SI" designation stands for Systems Integrated, meaning that the voltage regulator is inside the alternator.