Tuff Stuff Performance High-Amp Output Stealth Black Alternators

4.39 out of 5 stars 354 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 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 7290NF

Alternator, Internal Regulator, 12V, 250 Amp, CS144, V-Belt, Black, GM, Each

Part Number: TFF-7290NF

5.0 out of 5 stars ( 6 )

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 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 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 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 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 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 8112NB

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

Part Number: TFF-8112NB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Stealth Black Alternators for 1990-1995 CORVETTE - 7864C

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

Part Number: TFF-7864C

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 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

3.95 out of 5 stars ( 21 )

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 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: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 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: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Stealth Black Alternators for 1994-1996 CORVETTE - 8173NF

Alternator, Black, 250 Amp, Serpentine, Buick, Chevy, Pontiac, Each

Part Number: TFF-8173NF

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Stealth Black Alternators for 1997-2001 CORVETTE - 7721NB

Alternator, Replacement, Valeo, 12 V, 110 amps, Black Powdercoated, Serpentine Pulley, Chevy, 5.7L LS, Each

Part Number: TFF-7721NB

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 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: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Powermaster Street Alternators 7294

4.75 out of 5 stars ( 143 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7290NB

Alternator, Internal Regulator, 12V, 170 Amp, CS144, V-Belt, Black, GM, Each

Part Number: TFF-7290NB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Stealth Black Alternators for 1994-1996 CORVETTE - 8173NB

Alternator, GM CS144 Case Style, Black, 12 V, 170 amps, Serpentine Pulley, Internal Regulator, Chevy, Pontiac

Part Number: TFF-8173NB

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

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

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7290NB6G

Alternator, Internal Regulator, 12V, 170 Amp, CS144, Serpentine, Black, GM, Each

Part Number: TFF-7290NB6G

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7290NF6G

Alternator, Internal Regulator, 12V, 250 Amp, CS144, Serpentine, Black, GM, Each

Part Number: TFF-7290NF6G

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Stealth Black Alternators for 2001-2005 BLAZER, 2001-2004 S10 - 8283NB

Alternator, Black Powdercoated, 175 Amps, Serpentine Belt, Chevy, GMC, 4.3L, Each

Part Number: TFF-8283NB

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Stealth Black Alternators for 2001-2005 BLAZER, 2001-2004 S10 - 8283NB1

Alternators, High-Amp Output Stealth Black, GM CS130D, 12 V, 175 amps, Black Powdercoated, Serpentine Pulley, Chevrolet, 4.3L, Each

Part Number: TFF-8283NB1

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

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