Availability
1987 GMC Tuff Stuff Performance Ignitions & Electrical
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: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 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: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 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: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 2026 if ordered today
Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 100 Amps, Black Powdercoated, V-Belt Pulley, Each
Part Number: TFF-7127NF12
Estimated Ship Date: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 2026 if ordered today
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