SPL Parts FKS Series Front Spherical Caster Rod Bushing Set

2017–2019 BMW 330i GT xDrive (F34) / 2013–2015 BMW 335i (F30) 3 Series

Part #: SPL CRBN F3IX

Overview

The SPL Parts FKS Series Front Spherical Caster Rod Bushing Set is a high-performance upgrade designed specifically for BMW 3 Series models from 2013 to 2019. Engineered to replace the factory rubber bushings, this set utilizes low friction, articulating spherical bearings to significantly enhance your vehicle's suspension response. Whether you're a spirited driver, track enthusiast, or someone seeking improved handling and steering feedback, these bushings deliver a noticeable upgrade over stock components.

By replacing the stock flexible bushings with precision spherical bearings, you'll experience reduced bushing deflection and friction, resulting in more consistent suspension geometry under load. This translates to sharper steering, improved braking stability, and enhanced overall handling characteristics. The robust design ensures durability and long-lasting performance, making these bushings an ideal choice for those looking to push their vehicle's limits while maintaining reliability.

Key Features

The SPL Parts FKS Series Front Spherical Caster Rod Bushing Set incorporates advanced materials and engineering to optimize suspension performance. Key features include:

• Massive 1" FK Racing Bearings with self-lubricating Teflon liners provide smooth articulation and reduce maintenance needs.
• Constructed from high-quality 6061-T6 aluminum, ensuring strength, corrosion resistance, and lightweight performance.
• Articulating spherical bearings eliminate bushing deflection, maintaining precise suspension geometry during aggressive driving.
• Designed to withstand the rigors of spirited driving, track use, and daily performance applications.
• Precision-machined components ensure perfect fitment and ease of installation without modifications.
• Enhanced handling feedback and steering response, helping you achieve more confident control on the road or track.
• Improved durability over factory rubber bushings, withstanding high loads and harsh conditions.

Construction & Design

The SPL Parts FKS Series bushings feature a robust construction combining high-grade 6061-T6 aluminum housings with precision-machined FK Racing spherical bearings. The bearings are equipped with self-lubricating Teflon liners, which provide low friction operation and reduce the need for maintenance. The design ensures that the spherical bearings articulate smoothly under load, maintaining optimal suspension geometry and reducing unwanted bushing deflection.

The aluminum housings are CNC-machined for exact fitment and durability, ensuring a secure and stable connection to your vehicle's suspension components. The use of high-quality materials and meticulous manufacturing processes results in a product that offers both performance and longevity, making it suitable for both street and track use.

Installation & Fitment

The SPL Parts FKS Series Front Spherical Caster Rod Bushing Set is designed as a direct bolt-on replacement for the factory bushings. Installation typically requires basic hand tools and a suspension press or bushing removal tool. No cutting, drilling, or complex modifications are necessary, making it a straightforward upgrade for those with mechanical experience. Proper alignment after installation is recommended to maximize handling benefits and ensure optimal suspension geometry.

• Designed specifically for the 2017–2019 BMW 330i GT xDrive (F34) and 2013–2015 BMW 335i (F30) models.
• Intended for use in performance driving, track days, or spirited street driving.
• Installation is a bolt-on process with standard tools; professional alignment is recommended.

What's Included

• Complete set of spherical caster rod bushings with FK Racing bearings
• High-quality aluminum housings
• All necessary hardware and mounting components
• Installation instructions

Ideal For

• Performance enthusiasts seeking improved suspension response
• Track day drivers aiming for precise handling
• Owners looking to upgrade factory bushings for increased durability and performance
• Drivers who want sharper steering feedback and reduced bushing deflection