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SKU: SPL CRB G8X
SPL Parts 2021+ BMW G8X (Except M2) Adjustable Front Caster Rod Bushings
Improve suspension geometry, braking stability, and handling precision on your 2021+ BMW G8X (M3/M4) with SPL Parts Adjustable Front Caster Rod Bushings. These high-performance bushings replace the soft factory rubber with low-friction, articulating spherical bearings, eliminating deflection and maintaining optimum alignment under load.
Featuring massive 1" FK Racing Bearings with self-lubricating Teflon liners and innovative CNC-machined offset spacers, these bushings provide up to ±2 degrees of caster adjustment. Proudly made in the USA, they deliver superior durability and performance for street and track use.
Key Features
- FK 1" Spherical Bearings – Low friction with self-lubricating Teflon liners
- ±2° Caster Adjustment – CNC-machined offset spacers for precise tuning
- 6061-T6 Aluminum Housing – Lightweight, strong, and corrosion-resistant
- Eliminates Deflection – Maintains suspension geometry under load
- Improved Braking & Handling – Better feedback and stability
- Made in the USA – Engineered for maximum performance and reliability
Specifications
| Detail | Value |
|---|---|
| Brand | SPL Parts |
| Type | Adjustable Front Caster Rod Bushings |
| Vehicle | 2021+ BMW G8X (M3/M4, except M2) |
| Adjustment Range | ±2 degrees caster |
| Bearing Size | 1" FK Spherical Bearings |
| Material | 6061-T6 Aluminum |
| Country of Origin | United States |
| Warranty | SPL Parts Limited Warranty |
Whats Included
- Pair of SPL Adjustable Front Caster Rod Bushings
- All Necessary Hardware
- Installation Instructions
Product Notes
- Designed for 2021+ BMW G8X M3/M4 models (except M2)
- Professional installation and alignment are strongly recommended
- OEM control arms not included
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 2021+ | BMW | M3 / M4 (G8X) | Excludes M2 |
Why Choose SPL Parts?
- Leading manufacturer of high-performance suspension components for BMW
- Precision-engineered parts with race-proven technology
- Focus on reducing deflection and improving geometry for better handling
- Proudly made in the USA with a strong reputation for quality
Frequently Asked Questions
- Q: Will these fit my 2023 BMW M4?
- A: Yes. They are designed for 2021+ BMW G8X M3/M4 models (except M2).
- Q: How much caster adjustment do they provide?
- A: Up to ±2 degrees of caster adjustment via the offset spacers.
- Q: Is professional installation required?
- A: Yes. Professional installation and a full alignment are critical for safety and performance.
- Q: Do I need to replace my control arms?
- A: No. These are direct replacements for the bushings in your existing arms.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure SPL Parts retail packaging
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