Collection: Drivetrain Upgrades For GMC Sierra GMTK2
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Yukon Perf R&P GM 9.5in 3.08 For Chevy Silverado 1500, Sierra 3500 HD, Escalade, Suburban, Tahoe, Yukon XL (YG GM9.5-308-12B)
Vendor:Yukon Gear & AxleRegular price $559.33 USDRegular priceUnit price / per$686.26 USDSale price $559.33 USDSale -
Yukon Gear & Axle High Perf Gear Set For GM 9.25in IFS 5.13 Ratio For GM (YG GM9.25-513R)
Vendor:Yukon Gear & AxleRegular price $426.22 USDRegular priceUnit price / per$569.12 USDSale price $426.22 USDSale -
Yukon 8.6in GM 3.42 Rear Ring & Pinion Install Kit For Chevy Trailblazer/ Gmc Envoy/ Silverado (01-20) (YGK2026)
Vendor:Yukon Gear & AxleRegular price $1,719.66 USDRegular priceUnit price / per$1,806.23 USDSale price $1,719.66 USDSale -
Yukon Perf Gear Set GM 8.5/8.6 5.38 For - (YG GM8.5-538)
Vendor:Yukon Gear & AxleRegular price $313.28 USDRegular priceUnit price / per$523.82 USDSale price $313.28 USDSale -
Yukon 8.6in GM Rear R&P Install Kit For 3.42 Gear, Bearings & Seals (YGK2031)
Vendor:Yukon Gear & AxleRegular price $857.81 USDRegular priceUnit price / per$966.76 USDSale price $857.81 USDSale -
Yukon USA Std GM 9.76in R&P & Overhaul Kit For GM Yukon XL/Ext/Suburban/Tahoe (ZK GM9.76)
Vendor:Yukon Gear & AxleRegular price $462.52 USDRegular priceUnit price / per$581.45 USDSale price $462.52 USDSale -

Yukon Perf Gear Set for GM 9.25in IFS 5.38 Ratio For Silverado/Sierra 99-19 (YG GM9.25-538R)
Vendor:Yukon Gear & AxleRegular price $399.33 USDRegular priceUnit price / per$537.27 USDSale price $399.33 USDSale -
Yukon Gear 8.25in GM 3.42 Gear Set For GM Blazer/K1500/Yukon (YG GM8.25-342R)
Vendor:Yukon Gear & AxleRegular price $600.89 USDRegular priceUnit price / per$600.89 USDSale price $600.89 USD -
Yukon Gear Dura Grip Posi Spider Gear Set 10.5in GM 14 Bolt 30 Spline For Chevy GMC (YPKGM14T-P-30-DG)
Vendor:Yukon Gear & AxleRegular price $576.81 USDRegular priceUnit price / per$718.87 USDSale price $576.81 USDSale -

Yukon Gear YGK2249 9.5in GM 3.73 R&P Install Kit For Chevy Express/GMC Savana (03-20) (YGK2249)
Vendor:Yukon Gear & AxleRegular price $1,025.88 USDRegular priceUnit price / per$1,128.08 USDSale price $1,025.88 USDSale -
Yukon HD Open Loaded Carrier for GM 9.5in & 9.76in 3.23+ (03-14) (YC G40090727)
Vendor:Yukon Gear & AxleRegular price $620.31 USDRegular priceUnit price / per$620.31 USDSale price $620.31 USD -
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 -
Yukon Gear Perf Gear Set GM 8.5/8.6in 5.13 Ratio (YG GM8.5-513)
Vendor:Yukon Gear & AxleRegular price $310.59 USDRegular priceUnit price / per$518.77 USDSale price $310.59 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 -
Banks Power 19249 Differential Cover Kit for 01-19 RAM 2500/3500
Vendor:Banks PowerRegular price $395.00 USDRegular priceUnit price / per$438.89 USDSale price $395.00 USDSale -
Yukon Gear 5.13 Gear Set GM 11.5in | 4WD/Performance (YG GM11.5-513)
Vendor:Yukon Gear & AxleRegular price $755.10 USDRegular priceUnit price / per$755.10 USDSale price $755.10 USD -
FTI 9.5in 6L80E/6L90E Billet Triple Disc Lock-Up Street Racer Series - 3600 Stall
Vendor:FTI PerformanceRegular price $1,429.00 USDRegular priceUnit price / per$1,786.25 USDSale price $1,429.00 USDSale -
Yukon Gear Master Overhaul Kit for 2019+ RAM AAM 11.5in Rear Differential
Vendor:Yukon Gear & AxleRegular price $631.80 USDRegular priceUnit price / per$631.80 USDSale price $631.80 USD -
Yukon Gear YG GM8.5-342 Ring/Pinion Gear 3.42 Set for Buick/Cadillac/Chevy/GMC
Vendor:Yukon Gear & AxleRegular price $432.52 USDRegular priceUnit price / per$432.52 USDSale price $432.52 USD
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.



















