Collection: Transmission and Drivetrain
Shop high-performance transmission and drivetrain components designed to transfer power efficiently, improve durability, and support reliable vehicle operation. From transmissions and torque converters to differentials, driveshafts, and supporting components, these parts help deliver consistent performance under demanding conditions. Ideal for street builds, restoration projects, towing applications, and high-performance vehicles.
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GM 10.5" 14-Bolt Chrome Steel Differential Cover w/ Gasket & Hardware
Vendor:Top Street PerformanceSKU: SP7123KITRegular price $43.00Sale price $43.00 Regular priceUnit price / per$47.30Sold out -
Dana 80 10-Bolt Chrome Steel Differential Cover w/ Gasket & Hardware
Vendor:Top Street PerformanceSKU: SP4929KITRegular price $57.00Sale price $57.00 Regular priceUnit price / per$62.70Sold out -
Jeep Dana 35 10-Bolt Chrome Steel Differential Cover w/ Gasket & Hardware
Vendor:Top Street PerformanceSKU: SP4928KITRegular price $40.00Sale price $40.00 Regular priceUnit price / per$44.00Sold out -
Jeep Dana 30 10-Bolt Chrome Steel Front Differential Cover w/ Gasket & Hardware
Vendor:Top Street PerformanceSKU: SP4927KITRegular price $41.00Sale price $41.00 Regular priceUnit price / per$45.10Sold out -
Dana 30 10-Bolt Chrome Steel Front Differential Cover w/ Gasket & Hardware
Vendor:Top Street PerformanceSKU: SP4926KITRegular price $45.95Sale price $45.95 Regular priceUnit price / per$50.55Sold out -
Chrysler 8.25" 10-Bolt Chrome Steel Differential Cover w/ Gasket & Hardware
Vendor:Top Street PerformanceSKU: SP4924KITRegular price $51.95Sale price $51.95 Regular priceUnit price / per$57.15Sold out -
Ford 10.5" 12-Bolt Chrome Steel Differential Cover w/ Gasket & Hardware
Vendor:Top Street PerformanceSKU: SP4923KITRegular price $44.00Sale price $44.00 Regular priceUnit price / per$48.40Sold out -
Chrysler / Dodge 9.25" 12-Bolt Chrome Steel Differential Cover w/ Gasket & Hardware
Vendor:Top Street PerformanceSKU: SP4921KITRegular price $44.00Sale price $44.00 Regular priceUnit price / per$48.40Sold out -
GM 9.5" 14-Bolt Chrome Steel Differential Cover w/ Gasket & Hardware
Vendor:Top Street PerformanceSKU: SP4920KITRegular price $49.95Sale price $49.95 Regular priceUnit price / per$54.95Sold out -
GM 8.875" 12-Bolt Chrome Steel Differential Cover w/ Gasket & Hardware
Vendor:Top Street PerformanceSKU: SP7126KITRegular price $37.00Sale price $37.00 Regular priceUnit price / per$40.70Sold out -
GM 8.5" 10-Bolt Chrome Steel Front Differential Cover Polished w/ Gasket & Hardware
Vendor:Top Street PerformanceSKU: SP4918KITRegular price $57.95Sale price $57.95 Regular priceUnit price / per$63.75Sold out -
Dana 60 10-Bolt Aluminum Differential Cover Black w/ Gasket & Hardware
Vendor:Top Street PerformanceSKU: SP4911BKKITRegular price $136.00Sale price $136.00 Regular priceUnit price / per$149.60Sold out -
Dana 60 & 70 10-Bolt Aluminum Differential Cover Black w/ Gasket & Hardware
Vendor:Top Street PerformanceSKU: SP4910BKKITRegular price $136.00Sale price $136.00 Regular priceUnit price / per$149.60Sold out -
Dana 60 & 70 10-Bolt Aluminum Differential Cover Polished w/ Gasket & Hardware
Vendor:Top Street PerformanceSKU: SP4910KITRegular price $142.00Sale price $142.00 Regular priceUnit price / per$156.20Sold out -
Dana 44 10-Bolt Aluminum Differential Cover - Black
Vendor:Top Street PerformanceSKU: SP4909BKRegular price $93.00Sale price $93.00 Regular priceUnit price / per$102.30Sold out -
Dana 44 10-Bolt Aluminum Differential Cover Black w/ Gasket & Hardware
Vendor:Top Street PerformanceSKU: SP4909BKKITRegular price $110.95Sale price $110.95 Regular priceUnit price / per$122.05Sold out -
Dana 44 10-Bolt Aluminum Differential Cover - Polished
Vendor:Top Street PerformanceSKU: SP4909Regular price $112.95Sale price $112.95 Regular priceUnit price / per$124.25Sold out -
Dana 44 10-Bolt Aluminum Differential Cover Polished w/ Gasket & Hardware
Vendor:Top Street PerformanceSKU: SP4909KITRegular price $112.95Sale price $112.95 Regular priceUnit price / per$124.25Sold out -
Dana 30 10-Bolt Aluminum Differential Cover - Black
Vendor:Top Street PerformanceSKU: SP4907BKRegular price $101.95Sale price $101.95 Regular priceUnit price / per$112.15Sold out -
Dana 30 10-Bolt Aluminum Differential Cover Black w/ Gasket & Hardware
Vendor:Top Street PerformanceSKU: SP4907BKKITRegular price $127.00Sale price $127.00 Regular priceUnit price / per$139.70Sold out
About Our Transmission and Drivetrain
Transmission and drivetrain systems are responsible for transferring power from the engine to the wheels, allowing the vehicle to move efficiently and reliably. While the engine generates power, the drivetrain delivers that power to the drive wheels through a series of interconnected components.
The transmission plays a key role by adjusting gear ratios to match engine speed with vehicle speed, ensuring optimal performance under different driving conditions. This allows the engine to operate efficiently while providing the necessary torque for acceleration, towing, or cruising.
The drivetrain includes components such as the transmission, driveshaft, differential, and axles, all working together to transfer torque to the wheels. The differential allows wheels to rotate at different speeds during turns, while driveshafts and axles carry power from the transmission to the wheels.
Upgrading transmission and drivetrain components can significantly improve durability, power handling, and overall performance. High-performance parts are designed to handle increased torque, reduce drivetrain loss, and provide more efficient power delivery, especially in high-horsepower or heavy-load applications.
Common components in this category include transmissions, torque converters, clutch systems, driveshafts, differentials, axles, and related hardware. These parts work together to ensure smooth power transfer, improved traction, and reliable operation across a wide range of driving conditions.
Whether you're upgrading for performance, towing, or long-term reliability, choosing the right transmission and drivetrain components helps ensure efficient power delivery, improved durability, and consistent vehicle performance.