SPL Parts Camber Eccentric Lockout Kit

2019–2023 Toyota GR Supra A90 & BMW Z4 G29

SPL ELC G29

Overview:

The SPL Parts Camber Eccentric Lockout Kit is engineered to provide precise and reliable rear alignment for the Toyota GR Supra A90 (2020–2023) and BMW Z4 G29 (2019+). Designed to eliminate the stock eccentric bolts that are prone to slipping under high cornering loads, this kit ensures your rear suspension settings remain consistent and secure. Ideal for enthusiasts and racers who demand uncompromising handling stability, the lockout kit works in conjunction with adjustable control arms to maintain your desired camber and toe settings without unwanted movement.

By replacing the factory eccentric bolts with robust lockout plates and hardware, this kit prevents alignment changes caused by bolt rotation, delivering confidence during aggressive driving and track use. It is a must-have upgrade for anyone running adjustable camber arms on these vehicles, such as the RUA G29 arms.

Key Features:

Designed for durability and precision, the SPL Parts Camber Eccentric Lockout Kit offers the following benefits:

• Eliminates stock eccentric bolts to prevent rear alignment slip under high cornering forces
• Compatible with adjustable camber arms, requiring their use to adjust toe after installation
• CNC machined lockout plates from high-strength 6061-T6 aluminum for lightweight rigidity
• Includes zinc-plated grade 10.9 bolts and lock nuts for maximum clamping force and zero slip
• Complete kit includes washers and bolts for both camber and toe arms
• Precision engineered for Toyota GR Supra A90 and BMW Z4 G29 chassis, with additional fitment for BMW G20, G21, G22, G23, G24, and G42 models
• Manufactured and assembled in the USA to ensure quality and consistency
• Improves suspension reliability and alignment repeatability for track and street use

Construction & Design:

The lockout plates are meticulously CNC machined from 6061-T6 aluminum, a material known for its excellent strength-to-weight ratio and corrosion resistance. This ensures the plates provide a rigid, durable interface that resists deformation under extreme loads. The hardware supplied includes zinc-plated grade 10.9 bolts and lock nuts, which deliver superior clamping force and resist loosening over time. Every component is engineered to exacting tolerances, guaranteeing a perfect fit and reliable performance.

Manufactured and assembled in the USA, the kit reflects SPL Parts’ commitment to quality craftsmanship and engineering excellence, providing a dependable upgrade for serious drivers.

Installation & Fitment:

Installation of the SPL Parts Camber Eccentric Lockout Kit requires the removal of the factory eccentric bolts and replacement with the supplied lockout plates and hardware. It is essential to have adjustable camber arms installed prior to using this kit, as the stock eccentric bolts are eliminated and toe adjustments must be made via the adjustable arms. The kit fits the rear suspension camber and toe arms of the following vehicles:

• 2020–2023 Toyota GR Supra A90
• 2019+ BMW Z4 G29
• 2018+ BMW G20, G21, G22, G23, G24
• 2021+ BMW G42

Professional installation is recommended to ensure proper torque settings and alignment adjustments are achieved.

What's Included:

• CNC machined 6061-T6 aluminum lockout plates for camber and toe arms
• Zinc-plated grade 10.9 bolts and lock nuts
• Washers for proper fitment
• Complete hardware kit for one vehicle

Ideal For:

This lockout kit is ideal for performance enthusiasts, track day drivers, and anyone seeking enhanced rear suspension stability on the Toyota GR Supra A90 and BMW Z4 G29 platforms. It is especially suited for those running adjustable camber arms who require a reliable method to maintain precise alignment settings under demanding driving conditions.

SPL Parts is a manufacturer specializing in high-performance suspension components, including control arms, toe links, and sway bar endlinks, primarily for vehicles like Nissan 350Z/370Z, GTR, BMW M-Series, Toyota Supra, and Subaru platforms. Their products are designed to enhance handling and stability for both street and track applications, offering adjustability and durability to meet the demands of performance enthusiasts.