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Whatever sparks your high performance dream, you’ll find it here. Get your engine started with a high-amp battery and high-torque mini starter. Keep the power flowing...

Whatever sparks your high performance dream, you’ll find it here. Get your engine started with a high-amp battery and high-torque mini starter. Keep the power flowing with a digital ignition control, performance distributor, and low-resistance ignition wires. Outfit your race car with competition-proven automotive electronics and accessories, or rewire your resto-mod with a complete wiring harness. Reprogram your vehicle’s computer or rejuvenate your daily driver with a new distributor cap, rotor, and spark plugs. We have the best automotive ignition and electrical supplies from the biggest names in the industry, in stock...

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Results 1 - 25 of 96

Tuff Stuff Performance High-Amp Output Factory Cast-Plus Alternators 7127

Alternator, Natural Finish, 80 amps, V-Belt, 1-Wire or 3-Wire, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: TFF-7127

4.8 out of 5 stars ( 41 )

Estimated Ship Date: Today

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Powermaster Retro Alternators 7127

Powermaster Retro Alternators 7127

Alternator, Internal Regulator, 85 Amp, Natural, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: PWM-7127

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Dorman Exhaust Backpressure Sensors for 2018 CE SCHOOL BUS, 2017 HC INTEGRATED COMMERCIAL - 904-7127

DPF Pressure Sensor, IC, International, Crane Carrier, Mack, Volvo, Blue Bird, Freightliner, Peterbilt, Kenworth, Each

Part Number: RNB-904-7127

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Factory Cast-Plus Alternators 7127D12

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

Part Number: TFF-7127D12

4.96 out of 5 stars ( 26 )

Estimated Ship Date: Today

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MechMan S Series Alternators 7127240B

Alternator, S Series, 12 V, 240 amps, Black, Satin Finish, One Wire, Serpentine Pulley, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: MEH-7127240B

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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MechMan S Series Alternators 7127320P

Alternator, S Series Alternator, 12 V, 320 amps, Polished, Serpentine Pulley, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: MEH-7127320P

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Tuff Stuff Performance Alternator Fans 7601AC

Turbo fan disc as cast Fits Tuff Stuff 7127, 7102, 7139, 7140, 7068, 7069

Part Number: TFF-7601AC

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Tuff Stuff Performance Alternator Fans 7601AB

Turbo fan disc stealth black Fits Tuff Stuff 7127, 7102, 7139, 7140, 7068, 7069

Part Number: TFF-7601AB

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

MechMan S Series Alternators 7127170B

Alternators and Generators, S Series Alternators, 12 V, 170 amps, Black, Satin Finish, Serpentine Pulley/V-Pulley, Buick, Cadillac, Chevy, GMC, Each

Part Number: MEH-7127170B

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Factory Cast-Plus Alternators 7127D

Alternator, Replacement, GM 10si, 12 V, 100 amps, V-belt Pulley, Buick, Cadillac, Chevy, GMC, Olds, Pontiac

Part Number: TFF-7127D

4.91 out of 5 stars ( 32 )

Estimated Ship Date: Today

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MechMan S Series Alternators 7127240P

Alternator, S Series Alternator, 12 V, 240 amps, Polished, One Wire, Serpentine Pulley, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: MEH-7127240P

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

MechMan S Series Alternators 7127320B

Alternator, S Series Alternator, 12 V, 320 amps, Black, Serpentine Pulley, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: MEH-7127320B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Factory Cast-Plus Alternators 7127D6G

Alternator, Natural, 100 Amp, Serpentine Pulley, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: TFF-7127D6G

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Factory Cast-Plus Alternators 7127D6G12

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

Part Number: TFF-7127D6G12

4.33 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

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Alternators 7127NDP

Alternator, Polished, 100 Amps, V-Belt, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: TFF-7127NDP

4.53 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

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 Alternators 7127ND

Alternator, Chrome, 100 amps, 1-wire, V-Belt, GM, Each

Part Number: TFF-7127ND

4.38 out of 5 stars ( 13 )

Estimated Ship Date: Today

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MechMan S Series Alternators 7127240C

Alternator, S Series Alternator, 12 V, 240 amps, Chrome, One Wire, Serpentine Pulley, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: MEH-7127240C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Alternators 7127NK6G

Alternator, One-Wire, GM 10si Case Style, 12 V, 140 amps, Chrome, Serpentine Pulley, Buick, Chevy, Pontiac

Part Number: TFF-7127NK6G

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Tuff Stuff Performance High-Amp Output Alternators 7127NK

Alternator, 140 Amp, Replacement, V-Belt, Chrome, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: TFF-7127NK

4.68 out of 5 stars ( 19 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Alternators 7127NFRED

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

Part Number: TFF-7127NFRED

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jul 6, 2026 if ordered today

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Estimated Ship Date: Jul 6, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Alternators 7127NKP12

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

Part Number: TFF-7127NKP12

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

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: Jul 6, 2026 if ordered today

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Estimated Ship Date: Jul 6, 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: Jul 6, 2026 if ordered today

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Estimated Ship Date: Jul 6, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Powermaster Street Alternators 7294

4.75 out of 5 stars ( 145 )

Estimated Ship Date: Today

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