Motive Gear Ring and Pinion Sets C8-391 Chrysler 8.00 in. 3.91 Gears Gears, 3.91:1 Ratio, Chrysler, 8.0 in., Set
Motive Gear Ring and Pinion Sets C8-391 Chrysler 8.00 in. 3.91 Gears Gears, 3.91:1 Ratio, Chrysler, 8.0 in., Set
Description
IMPORTANT NOTICE: Note for Pistons, Rings, Rotors, Rods and engine internalsUnless otherwise specified, some brands supply brake rotors, pistons, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.(keyword: ring)Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.Reference Information Reference Data (Provide these details to our support team) Brand Name/s Motive Gear StreetFX SKU mgrC8-391 SFX Item ID 4797144 Accounting SKU mgr-C8-391 Manufacturer SKU C8-391 Manufacturer UPC 698231568248 Alternative References MGR-C8-391, MOTC8-391
Data: v2 - Desc: v4.2 - Upd: 2026-10-14 02:32:24
Part Type
Ring and Pinion Gears
Specifications
Ring and Pinion Gears, 3.91:1 Ratio, Chrysler, 8.0 in., Set
Motive Gear is the leading manufacturer of driveline products for just about any vehicle, whether it is a stock daily driver or a full-competition 4x4 or race car. They are proud to offer an unmatched selection of quality components engineered and manufactured for the vehicle and for the way it is driven. Motive Gear ring and pinion sets are engineered to meet or exceed OEM specifications at a price that won't break your budget. Their broad selection of ring and pinion ratios is available for just about every vehicle made from the 1940s through the present.
All Motive Gear products meet strict quality standards through advanced manufacturing techniques and are backed by their strong warranty. Their in-house quality control lab utilizes state-of-the-art equipment to continuously check Motive Gear products for strength, tolerance, and hardness. Only after meeting stringent quality standards are Motive Gear products packaged and ready for delivery.
| Product Attributes | |
|---|---|
| Brand | Motive Gear |
| Manufacturer's Part Number | C8-391 |
| Part Type | Ring and Pinion Gears |
| Product Line | Motive Gear Ring and Pinion Sets |
| UPC | 698231568248 |
| Differential Case Design Type | Chrysler 8.00 in. |
| Ring and Pinion Ratio | 3.91:1 |
| Cover Bolts | 10 |
| Ring Gear Bolts | 10 |
| Pinion Spline Count | 26 |
| Ring Gear Rotation | Standard |
| Ring Gear Teeth | 39 |
| Pinion Gear Teeth | 10 |
| Ring Gear Diameter (in.) | 8.000 in. |
| Pinion Shaft Diameter (in.) | 1.406 in. |
| Installation Kit Included | No |
| Cover Gasket Included | No |
| Pinion Shims Included | No |
| Carrier Shims Included | No |
| Crush Sleeve Included | No |
| Pinion Seal Included | No |
| Pinion Nut Included | No |
| Ring Gear Bolts Included | No |
| Head Bearing Included | No |
| Tail Bearing Included | No |
| Carrier Bearings Included | No |
| Axle Seals Included | No |
| Axle Bearings Included | No |
| Differential Cover Included | No |
| Differential Oil Included | No |
| Friction Modifier Included | No |
| Installation DVD Included | No |
| Quantity | Sold as a set. |
| Notes | Designed to fit 3.54:1 and numerically higher carriers |
Reference Information
| Brand Name/s | Motive Gear |
|---|---|
| StreetFX SKU | mgrC8-391 |
| SFX Item ID | 4797144 |
| Supplier Item Code | 4797144 |
| Manufacturer SKU | C8-391 |
| Manufacturer UPC | 698231568248 |
| Alternative References | MOTC8-391 |
Compatibility
No specific fitment data available for this part. For clarification, please contact us.
Detailed Compatibility
| Application Data | |
|---|---|
| Make | DODGE |
| Model | DAKOTA |
| Submodel | BASE |
| Beginning Year | 2000 |
| Ending Year | 2002 |
| Engine Type | L4 |
| Engine Size | 2.5L/153 |
| Engine Family | Mopar 4-cylinder |
| Axle Location | Front |
| Liter | 2.5 |
| CID | 153 |
| CC | 2507 |
| Engine VIN Code | P |
| Make | DODGE |
| Model | DAKOTA |
| Submodel | BASE |
| Beginning Year | 2000 |
| Ending Year | 2003 |
| Engine Type | V6 |
| Engine Size | 3.9L/239 |
| Engine Family | Mopar V6 |
| Axle Location | Front |
| Liter | 3.9 |
| CID | 239 |
| CC | 3906 |
| Engine VIN Code | X |
| Make | DODGE |
| Model | DAKOTA |
| Submodel | BASE |
| Beginning Year | 2000 |
| Ending Year | 2003 |
| Engine Type | V8 |
| Engine Size | 4.7L/287 |
| Engine Family | Mopar next generation V8 |
| Axle Location | Front |
| Liter | 4.7 |
| CID | 287 |
| Engine VIN Code | No |
This may not be an exhaustive list of compatible vehicles. Please reach out to one of our representatives if you are unsure or do not see your vehicle here.
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