Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
1985 GMC Ignitions & Electrical
Spark Plug Wires, ThunderVolt, Spiro-Wound, 8.2mm, Black, 90 Degree Boots, Chevy, Small Block, V8, Set
Part Number: TAY-86027
Not Yet Reviewed
Estimated Ship Date: Mar 17, 2026 if ordered today
Estimated Ship Date: Mar 17, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 100 Amps, Natural, Serpentine Pulley, Each
Part Number: TFF-7127DBULL6G
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 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: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 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: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Alternator, Chrome, 100 Amps, Serpentine, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: TFF-7139ABULL6G
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Alternator, Black Chrome, 100 Amps, V-Belt, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: TFF-7139ABULL7
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 100 Amps, Chrome, V-Belt Pulley, Each
Part Number: TFF-7139ABULL9
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Alternator, Polished, 100 Amps, V-Belt, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: TFF-7139BBULL
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Tuff Stuff Performance High-Amp Output Factory Cast-Plus Alternators 7127D12
Estimated Ship Date: Monday 3/2/2026
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 100 Amps, Polished, V-Belt Pulley, Each
Part Number: TFF-7139BBULL12
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 100 Amps, Black Powdercoated, V-Belt Pulley, Each
Part Number: TFF-7139FBULL12
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Alternator, Silver Bullet, GM 10si, 12V, 100 amps, Black, Serpentine Pulley, Buick, Chevy, Oldsmobile, Pontiac
Part Number: TFF-7139FBULL6G
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Alternators and Generators, Silver Bullet Stealth Black Alternators, GM 10si Case Style, 12 V, 100 amps, Black Powdercoat, V-belt Pulley, Chevy, Each
Part Number: TFF-7139FBULL9
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 100 Amps, Blue Powdercoated, V-Belt Pulley, Each
Part Number: TFF-7139FBULLBLU
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Alternators, Silver Bullet, GM 10SI/10DN/12SI, 12 V, 100 amps, Orange Powdercoated, V-belt Pulley, Buick, Chevy, GMC, Jeep, Oldsmobile, Pontiac, Each
Part Number: TFF-7139FBULLOR
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Alternators, Silver Bullet, GM 10SI/10DN/12SI, 12 V, 100 amps, Red Powdercoated, V-belt Pulley, Buick, Chevy, GMC, Jeep, Oldsmobile, Pontiac, Each
Part Number: TFF-7139FBULLRED
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 100 Amps, Yellow Powdercoated, V-Belt Pulley, Each
Part Number: TFF-7139FBULLY
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 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: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 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-7140ABULL12
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 100 Amps, Black Wrinkle Powdercoated, V-Belt Pulley, Each
Part Number: TFF-7127NKBW
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 140 Amps, Black Wrinkle Powdercoated, Serpentine Pulley, Each
Part Number: TFF-7127NKBW6G
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 140 Amps, Polished, Serpentine, Each
Part Number: TFF-7127NKP6G12
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Alternators, High-Amp Output, GM 10SI/10DN/12SI, 12 V, 100 amps, Red Powdercoated, V-belt, Buick, Cadillac, Chevy, GMC, Jeep, Olds, Pontiac, Each
Part Number: TFF-7127RATRED
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Alternators and Generators, Silver Bullet Alternators, GM 10si Case Style, 12 V, 100 amps, Chrome, Serpentine Pulley, AMC, Chevrolet, GMC, Jeep, Each
Part Number: TFF-7139ABUL6G12
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Alternator, Performance, Silver Bullet, High Amp, GM 10si Case Style, 12 V, 100 Amps, Chrome, V-Belt Pulley, Each
Part Number: TFF-7139ABULL12
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Alternator, Black Chrome, 100 Amps, Serpentine, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: TFF-7127ND6G7
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
