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Motive Gear GM12-411A Differential Ring and Pinion
If you're serious about performance, the Motive Gear GM12-411A is a must-have for your vehicle. Designed for the GM 8.875" (12 Bolt) differential, this high-quality ring and pinion set is engineered to deliver reliability and strength, whether you're hitting the trails or cruising on the highway.
Features
- Ring Gear Diameter: 8.875 inches
- Ring Gear Tooth Quantity: 37
- Pinion Gear Tooth Quantity: 9
- Pinion Shaft Diameter: 1.438 inches
- Pinion Spline Count: 30
- Ring and Pinion Gear Ratio: 4.11
- Ring Gear Material: 8620 Steel for enhanced durability
- Standard Ring Gear Rotation
- Compatible with differential carriers that have a break of 3.73 and higher
Benefits
The GM12-411A is crafted from premium materials, ensuring that it can withstand the rigors of both on-road and off-road driving. Customers have noted how this gear set improves their vehicle's torque and overall drivability, making it an excellent choice for those looking to enhance their ride's performance.
Technical Data
This set features a 4.11 gear ratio, striking a balance between acceleration and fuel efficiency. The robust design is backed by extensive testing, ensuring that you receive a product that meets the high standards set by Motive Gear.
Customer Feedback
"I installed the GM12-411A on my 1975 Chevy Blazer, and the difference is night and day. The acceleration is much better, and I feel more in control on the trails," said one satisfied customer. Another noted, "This gear set was easy to install and has held up great even in rough conditions."
Fitment
This product fits the following models:
- Chevrolet Blazer 1969-1974
- Chevrolet C/K 10 1964-1982
- Chevrolet C/K 20 1969-1981
- Chevrolet G10 1975-1981
- Chevrolet G10 Van 1970-1974
- Chevrolet G20 1978-1981
- Chevrolet K5 Blazer 1975-1981
- Chevrolet P10 Series 1965-1967
- Chevrolet P10 Van 1967
- Chevrolet P20 1975-1981
- Chevrolet Suburban 1965-1982
- GMC C/K 15 1966-1978
- GMC C/K 1500 1966 & 1979-1982
- GMC C/K 25 1969-1978
- GMC C/K 2500 1979-1981
- GMC Jimmy 1970-1981
Important Note
This set requires a differential carrier with a break of 3.73 and higher. Be sure to check compatibility with your vehicle before purchase.
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Chevrolet Blazer | 1969-1974 | Base |
| Chevrolet C10 | 1975-1981 | Cheyenne |
| Chevrolet C10 | 1975-1982 | Custom |
| Chevrolet C10 | 1975-1980 | Custom Deluxe |
| Chevrolet C10 | 1975-1982 | Scottsdale |
| Chevrolet C10 | 1975-1982 | Silverado |
| Chevrolet C10 | 1978-1980 | Big Ten |
| Chevrolet C10 | 1981 | Deluxe |
| Chevrolet C10 Panel | 1964-1967 | Base |
| Chevrolet C10 Pickup | 1964-1974 | Base |
| Chevrolet C10 Suburban | 1967-1969, 1971-1974 | Base |
| Chevrolet C10 Suburban | 1975-1980, 1982 | Silverado |
| Chevrolet C10 Suburban | 1975-1980 | Custom Deluxe |
| Chevrolet C10 Suburban | 1975-1980, 1982 | Scottsdale |
| Chevrolet C10 Suburban | 1981 | Deluxe |
| Chevrolet C10 Suburban | 1981-1982 | Custom |
| Chevrolet C20 | 1975-1981 | Scottsdale |
| Chevrolet C20 | 1975-1980 | Custom Deluxe |
| Chevrolet C20 | 1975-1981 | Silverado |
| Chevrolet C20 | 1975-1981 | Cheyenne |
| Chevrolet C20 | 1981 | Deluxe |
| Chevrolet C20 | 1981 | Custom |
| Chevrolet C20 Pickup | 1969-1974 | Base |
| Chevrolet C20 Suburban | 1967-1969, 1971-1974 | Base |
| Chevrolet C20 Suburban | 1975-1980, 1982 | Scottsdale |
| Chevrolet C20 Suburban | 1975-1980 | Custom Deluxe |
| Chevrolet C20 Suburban | 1975-1977, 1979-1980, 1982 | Silverado |
| Chevrolet C20 Suburban | 1981 | Deluxe |
| Chevrolet C20 Suburban | 1981-1982 | Custom |
| Chevrolet G10 | 1975-1981 | Beauville |
| Chevrolet G10 | 1975-1981 | Sportvan |
| Chevrolet G10 | 1975-1981 | Chevy Van |
| Chevrolet G10 | 1981 | Bonaventure |
| Chevrolet G10 Van | 1970-1974 | Base |
| Chevrolet G10 Van | 1970-1974 | Sportvan |
| Chevrolet G20 | 1978-1981 | Beauville |
| Chevrolet G20 | 1978-1981 | Chevy Van |
| Chevrolet G20 | 1978-1981 | Nomad |
| Chevrolet G20 | 1978-1981 | Sportvan |
| Chevrolet K10 Pickup | 1964-1974 | Base |
| Chevrolet K10 Suburban | 1967-1969, 1971-1974 | Base |
| Chevrolet K10 Suburban | 1975-1980 | Custom Deluxe |
| Chevrolet K10 Suburban | 1975-1980, 1982 | Scottsdale |
| Chevrolet K10 Suburban | 1975-1977, 1979-1980, 1982 | Silverado |
| Chevrolet K10 Suburban | 1981 | Deluxe |
| Chevrolet K10 Suburban | 1981-1982 | Custom |
| Chevrolet K20 | 1975-1980 | Custom Deluxe |
| Chevrolet K20 | 1975-1981 | Cheyenne |
| Chevrolet K20 | 1975-1981 | Silverado |
| Chevrolet K20 | 1975-1981 | Scottsdale |
| Chevrolet K20 | 1981 | Deluxe |
| Chevrolet K20 | 1981 | Custom |
| Chevrolet K20 Pickup | 1969-1974 | Base |
| Chevrolet K20 Suburban | 1967-1969, 1971-1974 | Base |
| Chevrolet K20 Suburban | 1975-1977, 1979-1980, 1982 | Silverado |
| Chevrolet K20 Suburban | 1975-1980 | Custom Deluxe |
| Chevrolet K20 Suburban | 1975-1980, 1982 | Scottsdale |
| Chevrolet K20 Suburban | 1981-1982 | Custom |
| Chevrolet K20 Suburban | 1981 | Deluxe |
| Chevrolet K5 Blazer | 1975, 1977-1980 | Custom Deluxe |
| Chevrolet K5 Blazer | 1975-1980 | Cheyenne |
| Chevrolet K5 Blazer | 1976 | Base |
| Chevrolet K5 Blazer | 1978, 1980-1981 | Silverado |
| Chevrolet K5 Blazer | 1981 | Custom |
| Chevrolet K5 Blazer | 1981 | Deluxe |
| Chevrolet P10 Series | 1965-1967 | Base |
| Chevrolet P10 Van | 1967 | Base |
| Chevrolet P20 | 1975-1981 | Base |
| Chevrolet P20 | 1975-1981 | Step-Van |
| Chevrolet Suburban | 1965-1966 | Base |
| GMC C15 | 1975-1978 | Sierra Classic |
| GMC C15 | 1975-1978 | High Sierra |
| GMC C15 | 1975-1978 | Base |
| GMC C15 | 1975-1978 | Sierra Grande |
| GMC C15 | 1977 | Indy Hauler |
| GMC C15 | 1977-1978 | Heavy Half |
| GMC C15 | 1978 | Street Coupe |
| GMC C15 Suburban | 1975-1978 | Sierra Grande |
| GMC C15 Suburban | 1975-1978 | High Sierra |
| GMC C15 Suburban | 1975-1978 | Sierra Classic |
| GMC C15 Suburban | 1975-1978 | Base |
| GMC C15/C1500 Suburban | 1967 | Base |
| GMC C1500 | 1979-1982 | High Sierra |
| GMC C1500 | 1979-1980 | Heavy Half |
| GMC C1500 | 1979-1982 | Sierra Classic |
| GMC C1500 | 1979-1982 | Base |
| GMC C1500 | 1979-1982 | Street Coupe |
| GMC C1500 | 1979-1982 | Sierra Grande |
| GMC C1500 Suburban | 1979-1982 | Base |
| GMC C1500 Suburban | 1979-1982 | High Sierra |
| GMC C1500 Suburban | 1979-1982 | Sierra Classic |
| GMC C1500 Suburban | 1979-1982 | Sierra Grande |
| GMC C25 | 1975-1978 | Sierra Classic |
| GMC C25 | 1975-1978 | Sierra Grande |
| GMC C25 | 1975-1978 | High Sierra |
| GMC C25 | 1975-1978 | Base |
| GMC C25 Suburban | 1975-1978 | High Sierra |
| GMC C25 Suburban | 1975-1978 | Sierra Grande |
| GMC C25 Suburban | 1975-1978 | Sierra Classic |
| GMC C25 Suburban | 1975-1978 | Base |
| GMC C2500 | 1979-1981 | Sierra Classic |
| GMC C2500 | 1979-1981 | Sierra Grande |
| GMC C2500 | 1979-1981 | Base |
| GMC C2500 | 1979-1981 | High Sierra |
| GMC C2500 Suburban | 1979-1981 | Sierra Grande |
| GMC C2500 Suburban | 1979-1981 | Sierra Classic |
| GMC C2500 Suburban | 1979-1981 | Base |
| GMC C2500 Suburban | 1979-1981 | High Sierra |
| GMC Jimmy | 1970-1981 | Base |
| GMC Jimmy | 1975-1981 | Sierra Classic |
| GMC Jimmy | 1975-1981 | High Sierra |
| GMC Jimmy | 1975-1981 | Sierra Grande |
| GMC Jimmy | 1978-1981 | Street Coupe |
| GMC K15 | 1975-1978 | Base |
| GMC K15 | 1975-1978 | Sierra Grande |
| GMC K15 | 1975-1978 | Sierra Classic |
| GMC K15 | 1975-1978 | High Sierra |
| GMC K15 | 1977 | Indy Hauler |
| GMC K15 Suburban | 1975-1978 | Base |
| GMC K15 Suburban | 1975-1978 | Sierra Grande |
| GMC K15 Suburban | 1975-1978 | High Sierra |
| GMC K15 Suburban | 1975-1978 | Sierra Classic |
| GMC K15/K1500 Suburban | 1967 | Base |
| GMC K1500 | 1979-1982 | Base |
| GMC K1500 | 1979-1982 | Sierra Grande |
| GMC K1500 | 1979-1982 | High Sierra |
| GMC K1500 | 1979-1982 | Sierra Classic |
| GMC K1500 Suburban | 1979-1982 | High Sierra |
| GMC K1500 Suburban | 1979-1982 | Sierra Grande |
| GMC K1500 Suburban | 1979-1982 | Sierra Classic |
| GMC K1500 Suburban | 1979-1982 | Base |
| GMC K25 | 1975-1978 | Base |
| GMC K25 | 1975-1978 | High Sierra |
| GMC K25 | 1975-1978 | Sierra Classic |
| GMC K25 | 1975-1978 | Sierra Grande |
| GMC K25 Suburban | 1975-1978 | Sierra Grande |
| GMC K25 Suburban | 1975-1978 | Base |
| GMC K25 Suburban | 1975-1978 | Sierra Classic |
| GMC K25 Suburban | 1975-1978 | High Sierra |
| GMC K25/K2500 Suburban | 1967 | Base |
| GMC K2500 | 1979-1981 | Sierra Classic |
| GMC K2500 | 1979-1981 | Base |
| GMC K2500 | 1979-1981 | Sierra Grande |
| GMC K2500 | 1979-1981 | High Sierra |
| GMC K2500 Suburban | 1979-1981 | Sierra Classic |
| GMC K2500 Suburban | 1979-1981 | Base |
| GMC K2500 Suburban | 1979-1981 | Sierra Grande |
| GMC K2500 Suburban | 1979-1981 | High Sierra |
Motive Gear is a Midwest Truck and Auto Parts division specializing in producing high-quality drivetrain components for the automotive industry. They offer a wide range of products from differential bearing kits, ring and pinion gear sets, transmission kits and components, transfer case parts, and replacement axle shafts. Today, Motive Gear is one of the most sought-after brands when it comes to drivetrain parts.
Quality and Affordable PartsMotive Gear provides high-quality drivetrain parts at an affordable price. All of their products are designed using the latest manufacturing equipment and goes through an extensive quality control test. It ensures that their products achieve a perfect fit, provides optimum performance and longevity.
Choice Of ChampionsTheir products are also used by many racers from various racing disciplines such as IHRA, NHRA, NMRA, SODA, NMCA, BITD, and NASCAR. It is a testament to the quality and performance their product provides. Their racing participation also allows the company to gather vital data that lets them improve their products further.
Purchase Motive Gear Products At Vivid RacingIf you are planning to upgrade your drivetrain and are searching for a company that you can trust, then Motive Gear is the brand for you. Over the years, they have consistently given customers parts that they can rely on and have proven that quality parts do not always have to be expensive. To know more about Motive Gear, visit Vivid Racing and check out their list of products that fit your specific requirement.
At Motive Gear, from inception to inspection, our parts surpass rigorous quality control tests. When you open your Motive Gear box, you can see the quality of our hard work. Our highly qualified quality control technicians are up-to-date on the latest industry innovations to ensure that the quality of our product is unsurpassed. Our parts are TOUGH. We back our Motive Gear Performance ring & pinion gear sets with a 2 year / 100,000 mile no-nonsense warranty and all other products with a 1 year / 50,000 mile warranty
Installation Instructions
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