Clutch Masters Steel Flywheel - BMW 340i, 440i & Toyota GR Supra 3.0L 2016-2023

Clutch Masters lightweight steel billet flywheel for the B58 3.0L turbo inline-six found in the BMW 340i and 440i and the 2023 Toyota GR Supra. CNC-machined in-house in the USA from a 1045 steel billet core, zero-balanced to spin 100% true, and black oxide coated for rust protection. Every Clutch Masters flywheel is SFI 1.2 certified for motorsport use.

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