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Don’t settle for an ordinary engine compartment—break free from the pack with custom engine components from Tuff Stuff Performance! For over 30 years, Tuff Stuff has...
Don’t settle for an ordinary engine compartment—break free from the pack with custom engine components from Tuff Stuff Performance! For over 30 years, Tuff Stuff has been manufacturing show-quality engine products for everything from daily drivers to hotrods and show cars. Whether you prefer chromed, polished, or powdercoated, Tuff Stuff has the quality finishes you’re looking for, plus the company backs all components with a full 1-year warranty! We carry the complete line of alternators, starters, water pumps, brake boosters, and more.
Don’t settle for an ordinary engine compartment—break free from the pack with custom engine components from Tuff Stuff Performance! For over 30 years, Tuff Stuff has been manufacturing show-quality engine products for everything from daily drivers to hotrods and show cars. Whether you prefer chromed, polished, or powdercoated, Tuff Stuff has the quality finishes you’re looking for, plus the company backs all components with a full 1-year warranty! We carry the complete line of alternators, starters, water pumps, brake boosters, and more.
Showing In Stock Items. Show All 64 Items.
Alternator Billet Aluminum Fan and 6 Groove Pulley, Stealth Black, Fits Tuff Stuff 7127, 7102, 7139, 7140, 7068, 7069, Each
Part Number: TFF-7679DC
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Turbo fan disc stealth black Fits Tuff Stuff 7127, 7102, 7139, 7140, 7068, 7069
Part Number: TFF-7601AB
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Alternator Pulleys, Includes Bullet Cover, V-Belt, Single, Aluminum, Polished, Includes Washer/Nut, Fits 7068, 7069, 7102, 7127, 7139, 7140, Each
Part Number: TFF-7650B
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Turbo fan disc as cast Fits Tuff Stuff 7127, 7102, 7139, 7140, 7068, 7069
Part Number: TFF-7601AC
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Alternator billet alum fan & pulley as cast Fits Tuff Stuff 7127, 7102, 7139, 7140, 7068, 7069
Part Number: TFF-7679BD
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Alternator billet alum fan & 6 groove pulley as cast Fits Tuff Stuff 7127, 7102, 7139, 7140, 7068, 7069
Part Number: TFF-7679DD
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Alternator, Black Powdercoated, 140 Amps, V-Belt, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: TFF-7140FBULL
Estimated Ship Date: Today
Estimated Ship Date: Today
Alternator, Polished, 140 Amp, 1-Wire, Serpentine, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: TFF-7140BBULL6G
Estimated Ship Date: Today
Estimated Ship Date: Today
Alternator, 140 Amp, 1-Wire, Chrome, V-Belt, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: TFF-7140ABULL
Estimated Ship Date: Today
Estimated Ship Date: Today
Alternator, Chrome, 140 amps, Serpentine, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: TFF-7140ABULL6G
Estimated Ship Date: Today
Estimated Ship Date: Today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 140 Amps, Black Powdercoated, V-Belt Pulley, Each
Part Number: TFF-7140FBULL12
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Alternator, Black Powdercoated, 140 Amps, Serpentine, Buick, Chevy, GMC, Oldsmobile, Pontiac
Part Number: TFF-7140FBULL6G
Estimated Ship Date: Today
Estimated Ship Date: Today
Alternator, Polished, 140 Amps, V-Belt, Buick, Chevy, GMC, Oldsmobile, Pontiac, GMC, Each
Part Number: TFF-7140BBULL
Estimated Ship Date: Today
Estimated Ship Date: Today
Alternator, 140 Amp, 1-Wire, Black Chrome, V-Belt, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: TFF-7140ABULL7
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 140 Amps, Black Powdercoated, V-Belt Pulley, Each
Part Number: TFF-7140FBULL9
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 140 Amps, Chrome, V-Belt Pulley, Each
Part Number: TFF-7140ABULL9
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Alternators, Silver Bullet, GM 10SI/10DN/12SI, 12 V, 140 amps, Polished, Serpentine Pulley, AMC, Buick, Chevy, GMC, Jeep, Oldsmobile, Pontiac, Each
Part Number: TFF-7140BBUL6G12
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 140 Amps, Polished, V-Belt Pulley, Each
Part Number: TFF-7140BBULL9
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Alternator, Black Chrome, 140 amps, Serpentine, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: TFF-7140ABULL6G7
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 140 Amps, Polished, V-Belt Pulley, Each
Part Number: TFF-7140BBULL12
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 140 Amps, Chrome, V-Belt Pulley, Each
Part Number: TFF-7140ABULL6
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 140 Amps, Polished, V-Belt Pulley, Each
Part Number: TFF-7140BBULL6
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Alternators, Silver Bullet Stealth Black, GM 10SI/10DN/12SI, 12 V, 140 amps, Serpentine Pulley, AMC, Buick, Chevy, GMC, Jeep, Olds, Pontiac, Each
Part Number: TFF-7140FBUL6G12
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 140 Amps, Black Powdercoated, V-Belt Pulley, Each
Part Number: TFF-7140FBULL6
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Alternators, Silver Bullet, GM 10SI/10DN/12SI, 12 V, 140 amps, Chrome Plated, Serpentine Pulley, AMC, Buick, Chevy, GMC, Jeep, Olds, Pontiac, Each
Part Number: TFF-7140ABUL6G12
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
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