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- Alternator-100 AMP; GM Style 1-Wire Style; Natural Finish; 100% New
- 100 AMP; Style 1-Wire Style; Natural Finish; 100% New
- Alternator; 100 AMP Model; GM 10si 1 Wire Style with Internal Regulator; External Fan Style; Machined Pulley; Natural Finish; 100% New; Products; Sold Individually
- Product Attributes:
- Category: Alternators
- Pulley Diameter: 2 1/2 Inch
- Feature/Benefit: A Manufacturing Break-through Has Enabled Proform To Offer 100% New Alternators With The Same Affordability As Others' Re-built Models!
- Wire Type: 1-wire
- Case Style: 10si Style
- Amperage Output: 100 Amp
- Can you tell the difference? Most alternators look nearly the same, and that's why what's on the inside is so critical. Reliability starts with how it's made. Choosing PROFORM means choosing alternators with components produced by highly specialized machines, assembled by highly trained personnel using dedicated jigs and equipment, with everything 100% new for maximum longevity and optimum performance. After assembly each alternator is individually tested at the factory. Finally, it's boxed with a quality assurance graph that documents the specific unit's output performance. We do the testing, not you! And PROFORM proves it!
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | CID |
|---|---|---|---|---|---|
| 1977 - Buick Regal | V | 5733 | 8 Cyl 5.7L | SR | 350 |
- Ford Alternator; 100 AMP; 1-Wire; Machined Pulley; Chrome; 100% New
- Amperage Output:100 AMP; Finish:Chrome; Case Style:10SI (Ford)
- Alternator; 100 AMP Model; GM 10SI Designed For Ford Applications; 1-Wire Style With Int. Regulator; Machined Pulley; Chrome Finish; 100% New; Sold Individually
- Product Attributes:
- Voltage: 12 Volt
- Category: Alternators
- Pulley Diameter: 2 1/2 Inch
- Feature/Benefit: A Manufacturing Break-through Has Enabled Proform To Offer 100% New Alternators With The Same Affordability As Our Popular Re-built Models!
- Part Type: Alternator
- Wire Type: 1-wire
- Case Style: 10si (ford)
- Regulator Type: Internal
- Amperage Output: 100 Amp
- PROFORM's 100 AMP Alternator, for Ford 260-460 engines, is a 1-wire, GM 10 SI Case Style complete with Internal Regulator. The External Fan Style Alternator features a Machined Pulley, Chrome Finish and is NOT made with re-man components. Each alternator is produced by highly specialized machines, assembled by highly trained personnel using dedicated jigs and equipment - 100% New. Sold individually.
Additional Fitment Information:
| Vehicle | Block | CC | Cylinder Head Type | Region | Valves | Engine | Sub Model | Aspiration | CID |
|---|---|---|---|---|---|---|---|---|---|
| 1977 - Ford Bronco | V | - | OHV | United States | 16 | 8 Cyl 5.0L | Sport | Naturally Aspirated | 302 |
- Alternator; 100 AMP; GM 1 Wire Style; Machined Pulley; Chrome Finish; 100% New
- Amperage Output:100 AMP; Case Style:10SI Style; Finish:Chrome
- Alternator; 100 AMP Model; GM 10si 1 Wire Style With Internal Regulator; Machined Pulley; Chrome Finish; 100% New; Products; Sold Individually
- Product Attributes:
- Voltage: 12 Volt
- Category: Alternators
- Pulley Diameter: 2 1/2 Inch
- Feature/Benefit: This Alternator Can Be Clocked To All Four Positions By The User.
- Applications: Chevy Small Block 305 To 350 Engines 1972 To 1987; Chevy Big Block 402 To 454 Engines 1970 To 1986; Pontiac 326 To 455 Engines 1962 To 1979; Oldsmobile 215 To 455 Engines 1963 To 1984; Buick 215 To 455 Engines 1963 To 1977
- Part Type: Alternator
- Wire Type: 1-wire
- Case Style: 10si Style
- Regulator Type: Internal
- Amperage Output: 100 Amp
- Can you tell the difference? Most chrome alternators look nearly the same, and that's why what's on the inside is so critical. Reliability starts with how it's made. Choosing PROFORM means choosing alternators with components produced by highly specialized machines, assembled by highly trained personnel using dedicated jigs and equipment, with everything 100% new for maximum longevity and optimum performance. After assembly each alternator is individually tested at the factory. Finally, it's boxed with a quality assurance graph that documents the specific unit's output performance. We do the testing, not you! And PROFORM proves it!
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1977 - Buick Electra | V | 5733 | 8 Cyl 5.7L | 350 |
- 10si Internally Regulated; 85 Amp; 55 Idle; 1V; Chrome With Delco Remy w/85 Amp~w/2 in. Mount
- Alternator; 10si Internally Regulated; 85 Amp; 55 Idle; 1V; Chrome;
- Alternator
- Product Attributes:
- Amperage: 85 Amp
-
Features:
- Early OEM/Retro Look
- 85 Plus Amps At Top End/55 Plus Amps At Idle
- One Unit For 1 Or 3 Wire Operation
- Individually Dyno Tested with Proof of Performance Guarantee
- Great Upgrade To Replace Lower Amp Units
- Powermaster has a variety of alternators available for various applications.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1977 - American Motors Hornet | V | - | 8 Cyl 5.0L | 304 |
- 12si; 150 Amp; 100 Idle; 1V Pulley; Chrome With Delco Remy w/150 Amp
- Alternator; 12si; 150 Amp; 100 Idle; 1V Pulley; Chrome;
- Alternator
- Product Attributes:
- Amperage: 150 Amp
-
Features:
- Most Popular Classic Look
- 150 Plus Amps At Top End/100 Plus Amps At Idle
- One Unit For 1 Or 3 Wire Operation
- Individually Dyno Tested with Proof of Performance Guarantee
- High Output Replacement For Early 10DN/10SI/12SI Alternators
- Powermaster has a variety of alternators available for various applications.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1977 - American Motors Hornet | L | - | 6 Cyl 4.2L | 258 |
- 12si; 150 Amp; 100 Idle; 1V Pulley; Polished With Delco Remy w/150 Amp
- Alternator; 12si; 150 Amp; 100 Idle; 1V Pulley; Polished;
- Alternator
- Product Attributes:
- Amperage: 150 Amp
-
Features:
- Most Popular Classic Look
- 150 Plus Amps At Top End/100 Plus Amps At Idle
- One Unit For 1 Or 3 Wire Operation
- Individually Dyno Tested with Proof of Performance Guarantee
- High Output Replacement For Early 10DN/10SI/12SI Alternators
- Powermaster has a variety of alternators available for various applications.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1977 - American Motors Hornet | L | - | 6 Cyl 3.8L | 232 |
- 12si; 150 Amp; 100 Idle; 1V; Baffle; Black With Delco Remy w/150 Amp~w/2 in. Mount
- Alternator; 12si; 150 Amp; 100 Idle; 1V; Baffle; Black;
- Alternator
- Product Attributes:
- Amperage: 150 Amp
-
Features:
- Most Popular Classic Look
- 150 Plus Amps At Top End/100 Plus Amps At Idle
- One Unit For 1 Or 3 Wire Operation
- Individually Dyno Tested with Proof of Performance Guarantee
- High Output Replacement For Early 10DN/10SI/12SI Alternators
- Powermaster has a variety of alternators available for various applications.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1977 - American Motors Gremlin | L | - | 6 Cyl 4.2L | 258 |
- 12si; Straight Mount; 100 Amp; 75 Idle; 1V Pulley; Natural w/2 in. Mount
- Racing Alternator; 12si; Straight Mount; 100 Amp; 75 Idle; 1V Pulley; Natural;
- Racing Alternator
- Product Attributes:
- Amperage: 100 Amp
-
Features:
- Most Popular Classic Look GM Style Race Prepped
- 100 Plus Amps At Top End/75 Plus Amps At Idle
- One Unit For 1 Or 3 Wire Operation
- Individually Dyno Tested with Proof of Performance Guarantee
- Great Upgrade To Replace Lower Amp Units
- Fits The Most Popular Straight Mount 12/6/6.61 in. Brackets
- Powermaster has a variety of alternators available for various applications.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1977 - American Motors Gremlin | L | - | 6 Cyl 4.2L | 258 |
- Alternator; GM 73-86 with Internal Regulator; Machined Pulley; Chrome; 100% New
- with Internal Regulator; Machined Pulley; Chrome; 100% New
- Alternator; 70 Amp Model; GM10si Style for 73-86 Model Years With Internal Regulator; Chrome; 100% New; Included Pulley; Sold Individually
- Product Attributes:
- Voltage: 12 Volt
- Category: Alternators
- Pulley Diameter: 2 1/2 Inch
- Feature/Benefit: A Manufacturing Break-through Has Enabled Proform To Offer 100% New Alternators With The Same Affordability As Our Popular Re-built Models!
- Applications: Chevy Small Block 305 To 350 Engines 1972 To 1987; Chevy Big Block 402 To 454 Engines 1970 To 1986; Pontiac 326 To 455 Engines 1962 To 1979; Oldsmobile 215 To 455 Engines 1963 To 1984; Buick 215 To 455 Engines 1963 To 1977
- Part Type: Alternator
- Wire Type: 3-wire
- Case Style: 10si Style
- Regulator Type: Internal
- Amperage Output: 70 Amp
- Can you tell the difference? Most chrome alternators look nearly the same, and that's why what's on the inside is so critical. Reliability starts with how it's made. Choosing PROFORM means choosing alternators with components produced by highly specialized machines, assembled by highly trained personnel using dedicated jigs and equipment, with everything 100% new for maximum longevity and optimum performance. After assembly each alternator is individually tested at the factory. Finally, it's boxed with a quality assurance graph that documents the specific unit's output performance. We do the testing, not you! And PROFORM proves it!
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | Engine VIN | Aspiration | CID |
|---|---|---|---|---|---|---|---|
| 1977 - Buick Century | V | - | 8 Cyl 5.0L | Custom | U | Naturally Aspirated | 305 |
- Alternator; 80 AMP; GM 1 Wire Style; Machined Pulley; Chrome Finish; 100% New
- 80 AMP; 1 Wire Style; Machined Pulley; Chrome Finish; 100% New
- Alternator; 80 AMP Model; GM 10si 1 Wire Style With Internal Regulator; Machined Pulley; Chrome Finish; 100% New; Products; Sold Individually
- Product Attributes:
- Voltage: 12 Volt
- Category: Alternators
- Pulley Diameter: 2 1/2 Inch
- Feature/Benefit: A Manufacturing Break-through Has Enabled Proform To Offer 100% New Alternators With The Same Affordability As Our Popular Re-built Models!
- Applications: Chevy Small Block 305 To 350 Engines 1972 To 1987; Chevy Big Block 402 To 454 Engines 1970 To 1986; Pontiac 326 To 455 Engines 1962 To 1979; Oldsmobile 215 To 455 Engines 1963 To 1984; Buick 215 To 455 Engines 1963 To 1977
- Part Type: Alternator
- Wire Type: 1-wire
- Case Style: 10si Style
- Regulator Type: Internal
- Amperage Output: 80 Amp
- Can you tell the difference? Most chrome alternators look nearly the same, and that's why what's on the inside is so critical. Reliability starts with how it's made. Choosing PROFORM means choosing alternators with components produced by highly specialized machines, assembled by highly trained personnel using dedicated jigs and equipment, with everything 100% new for maximum longevity and optimum performance. After assembly each alternator is individually tested at the factory. Finally, it's boxed with a quality assurance graph that documents the specific unit's output performance. We do the testing, not you! And PROFORM proves it!
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Sub Model | Engine VIN | Aspiration | CID |
|---|---|---|---|---|---|---|---|
| 1977 - Buick Skylark | V | - | 6 Cyl 3.8L | S | C | Naturally Aspirated | 231 |
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