Check the listing for details. Powermaster 47861 GM CS130 Style Alternator 140 Amp. Condition: New. Listed at 164.99 USD. Powermaster designed this 47861 GM CS130 Style 140 Amp Alternator to provide maximum power to the 12 Volt charging system on your hot rod, muscle car, truck, audio competition vehicle or sport compact! This highly efficient small case alternator accepts either a 1 wire or 3 wire connection, and features better cooling, with internal and external fans. With 5.31” bolt spacing, this alternator is an excellent replacement for 10/12si units, while the six groove pulley accepts a Serpentine Belt. Powermaster 47861 GM CS130 Style Alternator Features: Rear Battery Post Offset LeftCase Style: CS130Mount: Straight, fits 5.31” bracketVoltage: 12VAmp Rating: 140Wiring Connection: 1-Wire/3-WirePulley Included: YesPulley Style: Serpentine BeltPulley Material: SteelCase Material: AluminumRegulator Included: YesRegulator Location: InternalWeight: 11.00 lbsMade in the USA!!!Quantity: Sold individually Powermaster produces alternators and starters for both street rod and racing applications. They also offer related accessories, including brackets, wiring harnesses, pulleys, and drive kits.