140 Amp GM one wire or three wire operation, Natural Finish, comes with fan and v-belt pulley, this alternator comes with Proof of performance tag
1987 63-89 1990 87-89 1986 82-85
5.0, 5.7, 6.2 Ck Pickup/ Blazer/ Suburban CK Pickup/ Blazer/ Suburban (Note: ‘85 7.4L N/A) 6.2, 7.4, RV3 R, V Pickup (Old Body Style) R, V Pickup (Old Body Style) 2.5 ONLY S-10, T-10 Pickup/ Blazer/ Jimmy S-10, T-10 Pickup/ Blazer/ Jimmy
Advertised Amperage Output
140 amps
Alternator Brackets Included
No
Alternator Case Style
GM 10si
Alternator Finish
Natural
Belt Included
No
Brand
Powermaster
One Wire Capable
Yes
One-Wire Capable
Yes
Part Type
Alternators
Part Type
Alternators and Generators
Product Line
Powermaster Race Alternators
Pulley Included
Yes
Pulley Style
V-belt
Quantity
Sold individually.
Regulator Included
Yes
Regulator Style
Internal
Voltage Compatibility
12
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