SPL Solid Differential Bushings - Toyota GR Supra / BMW Z4

SPL Parts solid differential mounting bushings for the 2020+ Toyota GR Supra (A90) and 2019+ BMW Z4 (G29), 2-Series, 3-Series and 4-Series (G2X/G42). They replace the soft stock bushings, known to tear under hard track use, to lock the differential to the subframe, eliminating diff bounce under launches, reducing wheel hop and protecting the driveshaft and half shafts. CNC machined from 6061-T6 billet aluminum, complete front + subframe kit. Made in the USA.

Specifications

This part fits:

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy