ISR Performance Solid Subframe Inserts

1989–1998 Nissan 240SX / KA24DE / KA24E

Part #: IS-AZ001

Overview

If you're restoring or upgrading your Nissan 240SX from the late '80s to the late '90s, ISR Performance's Solid Subframe Inserts are an essential component to enhance your vehicle's handling and stability. Over time, factory rubber bushings can deteriorate, leading to increased flex, compromised ride quality, and reduced responsiveness. These high-quality inserts are designed to replace worn-out OEM bushings, providing a more solid connection between your subframe and chassis. Whether you're a street enthusiast, a track day participant, or simply looking to refresh your aging suspension components, these inserts help support improved handling and a more precise feel during spirited driving.

Key Features

ISR Performance's Solid Subframe Inserts are crafted from durable, high-quality materials to ensure longevity and consistent performance. The design eliminates the unwanted movement and flex associated with worn rubber bushings, resulting in a more direct and responsive driving experience. These inserts are engineered to fit perfectly into your Nissan 240SX's subframe, restoring factory alignment and stability. The solid construction helps reduce unwanted suspension play, which can improve steering response and overall vehicle control. Additionally, the use of high-grade materials ensures resistance to harsh road conditions, including exposure to moisture and temperature fluctuations, making these inserts a reliable upgrade for daily drivers and performance enthusiasts alike.

• Constructed from high-quality, durable materials for long-lasting performance
• Designed to replace aging OEM bushings, restoring factory fit and function
• Eliminates subframe flex, improving handling and steering response
• Provides a more direct connection between the chassis and suspension components
• Suitable for street driving, track use, or vehicle restoration projects
• Easy bolt-in installation with no modifications required
• Backed by ISR Performance's Standard Limited Warranty for peace of mind

Construction & Design

The ISR Performance Solid Subframe Inserts are meticulously engineered from high-strength materials that resist wear and deformation over time. The inserts are precision-machined to fit seamlessly into the factory mounting points, ensuring a secure and stable installation. Their solid construction replaces the factory rubber bushings, which tend to deteriorate and lose effectiveness after years of use. By eliminating the rubber's compliance, these inserts provide a more rigid connection, translating into sharper handling and improved feedback. The design also helps reduce unwanted noise and vibrations transmitted into the cabin, offering a more refined driving experience without sacrificing comfort.

Installation & Fitment

Installing the ISR Performance Solid Subframe Inserts is a straightforward bolt-in process that requires basic hand tools. No cutting, drilling, or complex modifications are necessary, making it suitable for DIY enthusiasts and professional installers alike. Proper alignment and torque specifications should be followed to ensure optimal performance and longevity. Once installed, you'll immediately notice a more solid feel in your vehicle's chassis, especially during aggressive cornering or spirited driving. These inserts are compatible with 1989-1998 Nissan 240SX models, including both coupe and hatchback variants.

What's Included

• Solid Subframe Insert Kit for Nissan 240SX (1989-1998)
• Installation hardware and mounting components
• ISR Performance's Standard Limited Warranty

Ideal For

• Owners restoring or maintaining their Nissan 240SX
• Performance enthusiasts seeking improved handling and response
• Street drivers and track day participants
• Anyone looking to replace aging suspension bushings with a durable upgrade

Emissions Note

This product is designed for off-road use and is not intended for use on public roads in states with strict emissions regulations. Please verify local laws before installation.