Clutch Masters FX350 Sprung Fiber Clutch Kit

1986–1992 Mazda RX-7 13B Turbo / 12A / 13B Non-Turbo

Part #: 10031-HDFF

Overview

The Clutch Masters FX350 Sprung Fiber Clutch Kit is engineered to deliver reliable performance and smooth engagement for street-driven Mazda RX-7 models from 1986 to 1992. Designed with enthusiasts in mind, this clutch system offers a perfect balance between streetability and spirited driving, making it an ideal upgrade for those looking to enhance their vehicle's clutch response without sacrificing daily drivability.

Whether you're a weekend racer, a spirited street driver, or simply seeking a more responsive clutch, the FX350 system provides the durability and performance needed to handle increased power and aggressive driving styles. Its design ensures a higher holding capacity than standard OEM clutches, giving you confidence during spirited accelerations and aggressive shifts while maintaining smooth engagement for everyday use.

Key Features

The FX350 Sprung Fiber Clutch Kit incorporates advanced materials and engineering to optimize performance and longevity. Key features include:

• Utilizes the Power Plus I Pressure Plate, which provides consistent clamping force and improved pedal feel, ensuring reliable engagement and durability under demanding conditions.
• Features Clutch Masters' New Formula Button disc, designed for high friction and heat resistance, supporting increased torque capacity and longer service life.
• Sprung hub design helps absorb drivetrain vibrations, resulting in smoother engagement and reduced chatter during operation.
• Constructed with high-quality sprung fiber friction material that balances grip and wear characteristics, ideal for spirited street driving and occasional track use.
• Engineered to withstand the rigors of spirited driving while maintaining a street-friendly pedal feel, making it suitable for daily use and weekend fun.
• Designed for easy installation with OEM-style fitment, ensuring a straightforward upgrade without modifications.
• Provides a significant upgrade over stock clutches, supporting increased horsepower and torque for boosted or modified engines.
• Manufactured with precision to ensure consistent quality and performance, backed by Clutch Masters' reputation for durability and innovation.
• Optimized for Mazda RX-7 models with rotary engines, ensuring proper engagement and longevity in high-revving applications.

Construction & Design

The FX350 clutch system features a high-strength Power Plus I Pressure Plate, crafted from durable materials to provide reliable clamping force and heat dissipation. The clutch disc employs Clutch Masters' proprietary New Formula Button friction material, which offers excellent grip, heat resistance, and wear characteristics. The sprung hub design effectively dampens drivetrain vibrations, resulting in smoother operation and reduced stress on drivetrain components.

All components are precision-machined and assembled to exact specifications, ensuring perfect fitment and consistent performance. The clutch kit is designed for easy installation, utilizing OEM mounting points and hardware, with no need for modifications or additional tuning in most cases. Its robust construction ensures long-lasting performance, even under spirited driving conditions.

Installation & Fitment

This clutch kit is a bolt-on upgrade designed for direct replacement on 1986–1992 Mazda RX-7 models equipped with rotary engines. Installation is straightforward for experienced technicians or enthusiasts with basic mechanical skills. No cutting, drilling, or special modifications are required. It is recommended to inspect and replace the release bearing and pilot bearing during installation to ensure optimal performance and longevity.

• Complete clutch system with pressure plate, clutch disc, release bearing, and alignment tool
• OEM-style fitment for hassle-free installation
• No tuning or adjustments needed for most applications

What's Included

• Power Plus I Pressure Plate
• New Formula Button Clutch Disc
• Release Bearing
• Alignment Tool
• Installation Instructions

Ideal For

This FX350 Sprung Fiber Clutch Kit is perfect for Mazda RX-7 owners seeking a reliable upgrade that enhances street performance and durability. It is well-suited for daily drivers, weekend racers, and enthusiasts who want a clutch system capable of handling increased power levels while maintaining smooth engagement and comfortable pedal feel.