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Powermaster HPR Large Frame Series Alternators

4.29 out of 5 stars 7 Customer Reviews

Today's modern hot rods require more current than ever, especially at idle and low engine speeds. Powermaster engineered a new alternator to update the late model h
Today's modern hot rods require more current than ever, especially at idle and low engine speeds. Powermaster engineered a new alternator to update the late model hairpin technology used from the factory with the new HPR Large Frame Series alternator! Available for a number of late model V8 engine platforms; these hairpin replacement alternators provide more than enough amps to power the accessories of a modern motor. Features include: * Simple and effective one-wire or OE style connections available * 195 amps at idle, 215 amps while cruising, and 250 amps at top end * Voltage compatibility: 12 V and optional 1
Today's modern hot rods require more current than ever, especially at idle and low engine speeds. Powermaster engineered a new alternator to update the late model hairpin technology used from the factory with the new HPR Large Frame Series alternator! Available for a number of late model V8 engine platforms; these hairpin replacement alternators provide more than enough amps to power the accessories of a modern motor. Features include: * Simple and effective one-wire or OE style connections available * 195 amps at idle, 215 amps while cruising, and 250 amps at top end * Voltage compatibility: 12 V and optional 14 V and 16 V * Efficient internal components produce more output, while consuming less engine power * Direct bolt-in to OEM and most aftermarket brackets * Supplied with a factory spec decoupler, solid, clutch or underdrive pulley * Stock diameter pulley accepts the factory belt * Available in cast, black and polished finish * Proof of performance with included dyno tag Note: One wire alternators will bypass the factory ECU.

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Alternator, High-Amp, 245 amp, 12 V, 1-Wire, Serpentine, Natural Finish, Denso Case, Internal Regulator with Dash Light, Cadillac, Chevy, GMC, Each

Part Number: PWM-48550-4

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

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Estimated Ship Date: Dec 16, 2025 if ordered today

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