ACT ZX6-HDSS Heavy Duty Street Sprung Clutch Kit for 1993-1995 Mazda RX-7

Vehicle Fitment

• 1993-1995 Mazda RX-7 (Base/R1/R2/Touring, 1.3L Rotary Turbo, Manual Transmission)

Features

• Heavy Duty diaphragm pressure plate for increased clamp load and durability
• Performance street sprung clutch disc with premium organic friction material
• Monoloc one-piece clutch collar replaces two-piece wedge collar and wire ring
• Smooth positive engagement with light to moderate pedal effort
• Quiet operation with mild gear rattle under load
• Improved release mechanism life over stock designs
• Precision-balanced for smooth operation at high RPM
• Recommended for spirited street and occasional race use

Specifications

• Clutch Disc Diameter: 9.4 in / 240 mm
• Material: Organic friction with steel backing
• Pressure Plate Type: Heavy Duty diaphragm
• Input Spline Count: 23
• Input Shaft Diameter: 1 in
• Torque Capacity: ~400 ft-lbs (~42% over OE)
• Product Weight (complete kit): ~16.8 lbs
• Recommended Use: Performance street & occasional race driving

Included Components

• 1x Heavy Duty diaphragm pressure plate
• 1x Performance street sprung clutch disc
• 1x Clutch release bearing
• 1x Pilot bearing
• 1x Clutch alignment tool

Product Description

The ACT ZX6-HDSS Heavy Duty Street Sprung Clutch Kit is a high-performance clutch upgrade engineered specifically for the **1993-1995 Mazda RX-7** with the turbocharged 1.3 L rotary engine and manual transmission. Featuring a robust Heavy Duty diaphragm pressure plate and a performance-oriented sprung clutch disc with premium organic friction material, this kit provides increased torque capacity and smooth engagement for spirited street driving or occasional racetrack use. The included Monoloc one-piece clutch collar replaces the standard two-piece wedge collar and wire ring found in many pull-type clutch systems, offering improved release bearing alignment and reliability.

Built for enthusiasts seeking a reliable performance upgrade over the stock clutch assembly, the ZX6-HDSS is dynamically balanced and clamp-load tested to ensure smooth high-RPM operation. Its light to moderate pedal effort and quiet engagement make it well-suited for daily driving while offering enhanced strength and driveline confidence during harder acceleration. Whether restoring an RX-7 or upgrading for performance, this clutch kit delivers noticeable improvements in feel, strength, and response.