Tuff Stuff Performance High-Amp Output Stealth Black Alternators

4.39 out of 5 stars 352 Customer Reviews

Tuff Stuff Performance high-amp output Stealth black alternators are just what every ride needs. These units produce the most power at idle to keep your battery fully charged at all times. Tuff Stuff Performance products are hand-built with the best bearings, diodes, and copper windings available. Stealth black alternators are finished in a powdercoat that's 20 times more durable than ordinary paint and provides a consistent sheen for underhood accessories. They're available in a variety of amperages and case styles for fitment on thousands of specific vehicle applications.

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127RATBLK

Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 100 Amps, Black Powdercoated, V-belt Pulley, Each

Part Number: TFF-7127RATBLK

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NF

Alternator, Black Powdercoated, 100 amps, V-Belt, 1-Wire, GM, Each

Part Number: TFF-7127NF

4.3 out of 5 stars ( 23 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NKB9

Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 140 Amps, Black Powdercoated, V-Belt, Each

Part Number: TFF-7127NKB9

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Stealth Black Alternators 8206NB

Alternator, Black Powdercoated, 175 Amps, Serpentine Belt, Chevy, GMC, Each

Part Number: TFF-8206NB

3.9 out of 5 stars ( 20 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NKB6G

Alternators and Generators, High-Amp Output Stealth Black Alternators, GM 10si Case Style, 12 V, 140 amps, Black Powdercoat, Serpentine Pulley, Chevy

Part Number: TFF-7127NKB6G

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NKB12

Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 140 Amps, Black Powdercoated, V-Belt, Each

Part Number: TFF-7127NKB12

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NKB

Alternators and Generators, High-Amp Output Stealth Black Alternators, GM 10si Case Style, 12 V, 140 amps, Black Powdercoat, V-belt Pulley, Chevy, GMC

Part Number: TFF-7127NKB

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NKB6G12

Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 140 Amps, Black Powdercoated, Serpentine Pulley, Each

Part Number: TFF-7127NKB6G12

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 8237B

Alternator, Black Powdercoated, 230 amps, Serpentine, Chevy, GMC, Hummer, Isuzu, Each

Part Number: TFF-8237B

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 8219NF

Alternator, Black, 250 Amps, Serpentine, Chevy, GMC, Each

Part Number: TFF-8219NF

2.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NF6G

Alternator, Black, 100 amps, Serpentine, 1-Wire, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: TFF-7127NF6G

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Powermaster Street Alternators 7294

4.75 out of 5 stars ( 140 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 8206NB1

Alternators, High-Amp Output Stealth Black, GM CS130D, 12 V, 175 amps, Black Powdercoated, Serpentine Pulley, Cadillac, Chevrolet, GMC, Each

Part Number: TFF-8206NB1

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