SPL Parts PRO Solid Differential Bushings

Part #: SPL SDB S14

Overview

The SPL Parts PRO Solid Aluminum Differential Mounting Bushings (SDB) are designed to upgrade the rear differential mounting system on select Nissan models. Crafted specifically for the 1995-1998 Nissan 240SX (S14) and compatible with Skyline R33 models, these bushings replace the stock rubber components with precision CNC-machined billet aluminum. This upgrade is ideal for enthusiasts seeking improved drivetrain stability, reduced wheel hop, and enhanced power transfer. By eliminating the stock mushy rubber bushings, these solid mounts provide a more direct connection between the differential and the chassis, resulting in a more responsive driving experience and increased confidence during aggressive driving or track use. Constructed from durable 6061-T6 aluminum, these bushings are engineered for longevity and consistent performance under demanding conditions.

Key Features

This product features a high-quality design focused on performance and durability:

• Manufactured from CNC-machined 6061-T6 billet aluminum for strength and precision
• Eliminates stock rubber bushings for a solid, direct mount
• Reduces wheel hop and improves power transfer to the ground
• Designed for easy installation with compatible rear differential setups
• Supports enhanced drivetrain response and stability during spirited driving
• Corrosion-resistant finish for long-lasting performance

Construction & Design

The bushings are machined from high-grade 6061-T6 aluminum, known for its excellent strength-to-weight ratio and corrosion resistance. The precision CNC machining ensures a perfect fit and consistent quality, providing a reliable upgrade over stock rubber components. The solid design helps eliminate deflection and flex, contributing to a more direct and responsive drivetrain connection.

Installation & Fitment

Installation involves replacing the factory rubber bushings with these solid aluminum mounts, typically requiring basic hand tools and mechanical skill. Fitment should be verified against the vehicle's specific model and year to ensure compatibility, as these bushings are designed for the 1995-1998 Nissan 240SX (S14) and Skyline R33 rear differential applications.

Ideal For

This upgrade is perfect for performance-oriented drivers, track enthusiasts, and those looking to improve the handling and stability of their Nissan rear drivetrain. It is especially beneficial for vehicles subjected to high horsepower or aggressive driving conditions, where drivetrain integrity is critical.