SPL Pro Suspension SPL CRB G8X Front Caster Rod Monoball Bushings for BMW G8X M3/M4

SPL Pro Suspension Front Caster Rod Bushings (CRB) for 2021+ BMW G8X M3 and M4 replace the stock flexible rubber bushings with precision spherical bearings, eliminating bushing deflection and reducing friction to maintain optimum suspension geometry under load. These performance bushings improve braking response and handling feedback for both street and track applications.

Key Features:

• Massive 1-inch FK Racing spherical bearings with self-lubricating Teflon liners for maximum performance and durability
• CNC machined offset bearing spacers provide +/- 2 degrees of caster adjustment for precise suspension tuning
• 6061-T6 aluminum bearing housing with outer knurl for secure installation
• 6061-T6 aluminum offset spacers for lightweight strength
• Eliminates bushing deflection and reduces friction compared to OEM rubber bushings
• Maintains proper suspension geometry under heavy braking and cornering loads
• Made in the USA with premium materials
• Sold as a pair (includes both left and right bushings)

Fitment: 2021-2024 BMW M3 (G80) and M4 (G82/G83). OEM caster rod arms are not included and must be reused from your vehicle.

SPL Pro Suspension components are designed and manufactured in the USA using aerospace-grade materials and precision CNC machining to deliver reliable performance for demanding track and street use.