Collection: Drivetrain Upgrades For GMC Sierra GMTK2
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Yukon Gear YY GM14T-1410-30S Yoke For GM 10.5in 14 Bolt Truck / 1410 / Strap
Vendor:Yukon Gear & AxleRegular price $286.89 USDRegular priceUnit price / per$286.89 USDSale price $286.89 USD -
Yukon Gear Master Overhaul Kit For 09+ GM 8.6in Diff
Vendor:Yukon Gear & AxleRegular price $373.89 USDRegular priceUnit price / per$373.89 USDSale price $373.89 USD -
Yukon Gear Grizzly Locker For GM & Chrysler 11.5in w/ 30 Spline Axles
Vendor:Yukon Gear & AxleRegular price $1,806.23 USDRegular priceUnit price / per$1,806.23 USDSale price $1,806.23 USD -
aFe Pro Series 9.5 Rear Diff Cover GM Silverado/Sierra 1500 (19-20) (46-71140R)
Vendor:aFeRegular price $343.00 USDRegular priceUnit price / per$343.00 USDSale price $343.00 USD -
Yukon Gear Yoke For GM 10.5in 14 Bolt Truck / 1350 / Strap Style
Vendor:Yukon Gear & AxleRegular price $228.89 USDRegular priceUnit price / per$228.89 USDSale price $228.89 USD -
aFe Pro Series 9.5 Rear Diff Cover GM Silverado/Sierra 1500 (19-20) (46-71140B)
Vendor:aFeRegular price $328.00 USDRegular priceUnit price / per$328.00 USDSale price $328.00 USD -
Yukon Gear Master Overhaul Kit For 99-13 GM 8.25in IFS Diff
Vendor:Yukon Gear & AxleRegular price $460.21 USDRegular priceUnit price / per$460.21 USDSale price $460.21 USD -
Yukon Hardcore Nodular Iron Cover for Rear GM 8.6in w/8mm Cover Bolts
Vendor:Yukon Gear & AxleRegular price $274.89 USDRegular priceUnit price / per$274.89 USDSale price $274.89 USD -
Eaton Detroit Truetrac Differential 30 Spline Rear 11.5in
Vendor:EatonRegular price $1,280.04 USDRegular priceUnit price / per$1,413.03 USDSale price $1,280.04 USDSale -
Eaton Detroit Locker Differential 30 Spline 1.55in Axle Shaft Diameter Rear 11.5in
Vendor:EatonRegular price $1,583.32 USDRegular priceUnit price / per$1,747.82 USDSale price $1,583.32 USDSale -
Yukon Gear Grizzly Locker For GM 10.5in 14 Bolt Truck w/ 30 Spline Axles
Vendor:Yukon Gear & AxleRegular price $890.73 USDRegular priceUnit price / per$890.73 USDSale price $890.73 USD -
Yukon Gear Hardcore Diff Cover for 11.5in & 11.8in GM Dodge Ram
Vendor:Yukon Gear & AxleRegular price $282.89 USDRegular priceUnit price / per$282.89 USDSale price $282.89 USD -
Wehrli 01-19 Chevrolet Duramax/03-19 Dodge Cummins 11.5in AAM Rear Diff. Cover - Gloss Black
Vendor:WehrliRegular price $385.07 USDRegular priceUnit price / per$389.00 USDSale price $385.07 USDSale -
aFe 19-25 GM Front Diff Cover | GM Trucks (46-71430B) Black w/ Fins
Vendor:aFeRegular price $298.00 USDRegular priceUnit price / per$298.00 USDSale price $298.00 USD -
aFe 19-25 GM Front Diff Cover | Heavy Duty w/ Fins & Magnet (46-71430A)
Vendor:aFeRegular price $262.00 USDRegular priceUnit price / per$262.00 USDSale price $262.00 USD -
aFe Power Diff Cover Kit w/ Oil | GM Diesel Trucks (46-7707AB)
Vendor:aFeRegular price $871.00 USDRegular priceUnit price / per$871.00 USDSale price $871.00 USD -
Yukon Gear 11.5in Positraction For GM & Dodge HD Trucks (YP PC11.5-HELIC)
Vendor:Yukon Gear & AxleRegular price $1,527.40 USDRegular priceUnit price / per$1,904.74 USDSale price $1,527.40 USDSale -
Yukon 14+ GM 9.76in 3.73 Ring & Pinion Gear Set For GM SUVs/Trucks (07-20) (YG GM9.76-373)
Vendor:Yukon Gear & AxleRegular price $607.73 USDRegular priceUnit price / per$717.08 USDSale price $607.73 USDSale -

Eaton Detroit Truetrac Differential 33 Spline 1.37in Axle Shaft Diameter Front 9.25in Rear 9.5in
Vendor:EatonRegular price $801.49 USDRegular priceUnit price / per$884.77 USDSale price $801.49 USDSale -
FTI 9.5in 6L80E/6L90E Billet Triple Disc Lock-Up Street Racer Series - 3800 Stall
Vendor:FTI PerformanceRegular price $1,429.00 USDRegular priceUnit price / per$1,786.25 USDSale price $1,429.00 USDSale
Drivetrain Upgrades for GMC Sierra GMTK2: Enhance Power and Durability
Optimize your GMC Sierra GMTK2’s performance with premium drivetrain upgrades designed to improve power delivery, responsiveness, and long-term reliability. This collection features carefully selected aftermarket parts that fit precisely and stand up to demanding driving conditions.
What are the benefits of upgrading your Sierra’s clutch and flywheel?
Upgrading the clutch and flywheel can significantly improve your truck’s acceleration and throttle response. Performance clutches offer better grip and heat resistance, reducing slippage under heavy loads or spirited driving. Lightweight flywheels reduce rotational mass, allowing the engine to rev more freely and deliver power more efficiently.
- Improved power transfer for towing and hauling
- Smoother and quicker shifts with upgraded clutch components
- Enhanced durability under high-stress conditions
How do performance shifters and differential components improve your driving experience?
Performance shifters provide more precise and shorter throw shifts, enhancing driver control and engagement. Upgraded differential parts, such as limited-slip or locking differentials, improve traction and handling by distributing power more effectively to the wheels. These upgrades help your Sierra maintain stability and confidence across various terrains and driving styles.
What supporting drivetrain upgrades should you consider for your GMC Sierra GMTK2?
Supporting modifications like heavy-duty mounts and performance axles reinforce your drivetrain’s strength and reliability. These components reduce drivetrain movement and wear, ensuring that power is delivered smoothly and consistently. Explore our curated selection of drivetrain upgrades at WheelFlip to find parts that complement your build and elevate your Sierra’s capability.



















