Tuff Stuff Performance High-Amp Output Stealth Black Alternators

4.39 out of 5 stars 356 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 for 1998-2002 CAMARO, FIREBIRD - 8242NB

Alternator, 175 Amp, Replacement, Serpentine, Black, Chevy, Pontiac, Each

Part Number: TFF-8242NB

4.38 out of 5 stars ( 29 )

Estimated Ship Date: Today

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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 8112NF

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

Part Number: TFF-8112NF

4.0 out of 5 stars ( 1 )

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 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 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 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 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: Today

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

Alternator, Black Powdercoated, 80 amps, V-Belt, 1-Wire, GM, Each

Part Number: TFF-7127NE

5.0 out of 5 stars ( 2 )

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 7127NKB6

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

Part Number: TFF-7127NKB6

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2026 if ordered today

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Estimated Ship Date: Jun 2, 2026 if ordered today

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: Jun 3, 2026 if ordered today

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Estimated Ship Date: Jun 3, 2026 if ordered today

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Powermaster Street Alternators 7294

4.75 out of 5 stars ( 145 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 8112NB

Alternator, Black, 170 Amps, Serpentine, Chevy, Each

Part Number: TFF-8112NB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 2, 2026 if ordered today

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Estimated Ship Date: Jun 2, 2026 if ordered today

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

Alternator, Replacement, GM 10si Case Style, 6 V, 65 amps, Black Powdercoated, V-belt Pulley, Each

Part Number: TFF-7127NH

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NF6G12

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

Part Number: TFF-7127NF6G12

Not Yet Reviewed

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NF12

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

Part Number: TFF-7127NF12

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jun 2, 2026 if ordered today

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Estimated Ship Date: Jun 2, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NF6

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

Part Number: TFF-7127NF6

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2026 if ordered today

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Estimated Ship Date: Jun 2, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NE6G

Alternator, Black, 80 Amp, 1-wire, Serpentine, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: TFF-7127NE6G

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2026 if ordered today

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Estimated Ship Date: Jun 2, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NF9

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

Part Number: TFF-7127NF9

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jun 2, 2026 if ordered today

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Estimated Ship Date: Jun 2, 2026 if ordered today

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