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BMW Drivetrain Parts for BMW A90 MKV Supra B58 3.0L

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Building your perfect BMW is more than just adding horsepower and stiff suspension. Your drivetrain needs attention in order to deliver power effectively. Most BMWs feature comfortable clutch discs, heavy flywheels, long shifter throws, and open differentials. The drivetrain transmits power to the wheels, but can also be a source of power loss when it is designed for comfort rather than performance. Everything on this page will help you improve your power delivery and driving experience by providing custom Limited Slip Differentials, Short Shift Conversions, Performance Clutch Discs, Lightweight Flywheels, and anything else your BMW needs to be the perfect driving experience.

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Billet Diff Lock Down Kit

2X Entries Into Our F80 M3 Sweepstakes

T#:21176906

Part#: VTT-A9X-DLD

In Stock

Sale - Save 7% $ 313.99

This product was last offered at the strikethrough price on
05-04-2026

Starting at $ 291.99 USD

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Sale - Save 7%

$ 313.99

This product was last offered at the strikethrough price on
05-04-2026

Starting at $ 291.99 USD

Add to Wish List

VTT noticed a hole in the A9X/Z4 market for a high-quality, lightweight, NVH-friendly, and easy-to-install Diff Lock Down kit to improve diff stability under launching, and hard cornering. Vargas went to work on a very innovative design that 100% positively locks the diff down from movement, while shielding it from adding a ton of NVH, and can be used with the stock diff, and subframe bushings. This design uses existing mounting points on the vehicle, you do NOT have to remove the subframe or the Diff to install. Simply remove 4 diff bolts, drill two holes in the subframe slightly bigger, install two M10 riv-nuts, and install the lockdown, you do not even have to move the exhaust. A typical install can be 15-30 minutes for someone who is experienced. You will need a Riv-nut tool to install the Riv-nuts as one is not included. Features: Lightweight 1.5 lbs for the entire lockdown plate Uses FOUR connection points on the Diff, and two on the subframe for the ultimate in positive diff location, this will stop all diff movement on launch, saving your guibos, etc 100% Billet construction from 6061-T6 aluminum Anodized in 4 colors for corrosion resistance, a long-lasting finish, and good looks The subframe does NOT have to be removed for installation Uses all 12.9 grade hardware Does not add excessive NVH Positively locks down the diff to eliminate all unwanted movement under launches, acceleration, cornering, etc.

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Mod-Twin 225 XT Sprung Race

T#:57543723

Part#: T2RS-B02

Ships in 6 Business Days

$ 2,132.00 USD

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$ 2,132.00 USD

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The T2RS-B02 Mod-Twin 225 XT Sprung Race Kit brings thermal endurance to aggressive street and circuit applications. Featuring a twin disc modular architecture, this kit doubles ceramic friction surface area

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Mod-Twin 225 HD Sprung Race

T#:57543716

Part#: T1RS-B02

Ships in 6 Business Days

19% off MSRP $ 2,715.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,199.00 USD

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19% off MSRP

$ 2,715.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,199.00 USD

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Built to withstand violent launches and relentless track abuse, the T1RS-B02 Mod-Twin 225 HD Sprung Race Kit brings true competition durability to high output platforms.

Mod-Twin 225 HD Rigid Race

T#:57543713

Part#: T1R-B02

Ships in 6 Business Days

19% off MSRP $ 2,638.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,137.00 USD

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19% off MSRP

$ 2,638.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,137.00 USD

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The T1R-B02 Mod-Twin 225 HD Rigid Race Kit drops into high powered setups to deliver instant, zero slip power transfer

Mod-Twin 225 XT Sprung Street

T#:57543721

Part#: T2SS-B02

Ships in 6 Business Days

19% off MSRP $ 2,632.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,132.00 USD

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Qty

19% off MSRP

$ 2,632.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,132.00 USD

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The Mod-Twin 225 XT is built for aggressive, high boost applications that demand maximum holding power and track ready engagement. Featuring a dual plate organic layout

Mod-Twin 225 XT Rigid Street

T#:57543720

Part#: T2S-B02

Ships in 6 Business Days

$ 2,069.00 USD

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$ 2,069.00 USD

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The T2S-B02 Mod-Twin 225 XT Rigid Street Kit is built for aggressive street and track drivers who need fast gear changes and high torque hold without enduring a grueling clutch pedal

Mod-Twin 225 HD Sprung Street

T#:57543718

Part#: T1SS-B02

Ships in 6 Business Days

$ 2,136.00 USD

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$ 2,136.00 USD

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Engineered for high output applications, the Mod-Twin 225 HD Sprung Street Kit delivers increased torque capacity and precision driveline dampening.

Mod-Twin 225 HD Rigid Street

T#:57543717

Part#: T1S-B02

Ships in 6 Business Days

19% off MSRP $ 2,549.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,065.00 USD

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19% off MSRP

$ 2,549.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,065.00 USD

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the Mod-Twin 225 HD Rigid Street Kit replaces soft factory clutches with serious motorsport hardware. By locking twin organic friction surfaces onto a single continuous spline chromoly hub, this kit eliminates hub flex and shields your transmission's input shaft

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Mod-Twin 225 XT Rigid Race

T#:57543719

Part#: T2R-B02

Ships in 6 Business Days

$ 2,141.00 USD

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$ 2,141.00 USD

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When high horsepower launches demand zero slop and maximum power transfer, the Mod-Twin 225 XT Rigid Race Kit is built to deliver. Engineered for severe track abuse and fast shifts

Vargas 4130 Chromoly Driveshaft - Toyota A90/91 Supra

2X Entries Into Our F80 M3 Sweepstakes

T#:51778133

Part#: VTT-SUP-DS

Ships in 10 Business Days

$ 1,214.99 USD

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$ 1,214.99 USD

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The VTT 4130 Chromoly Driveshaft is a heavy-duty driveline upgrade designed specifically for the A90/91 Toyota Supra.

Vargas Carbon Fiber Driveshaft - Toyota A90/91 Supra

2X Entries Into Our F80 M3 Sweepstakes

T#:51672704

Part#: VTT-SUPRA-DRIVES

Ships in 10 Business Days

$ 1,769.99 USD

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$ 1,769.99 USD

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The VTT A90/91 Supra Carbon Fiber Driveshaft is the definitive solution for MK5 owners who demand ultimate strength without the drag of a heavy OEM assembly.

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