ACT HD/Performance Street Sprung Clutch Kit NS3-HDSS

NS3-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four-stage, heat-treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT's Performance Street discs feature premium organic materials with high copper content for better heat transfer and steel-backed lining for greater burst strength and durability. These discs have reduced marcel for faster shift action to complement ACT pressure plates, with increased strength and reliability. HD/Perf Street Sprung Light to moderate pedal effort, smooth positive engagement, OE to mild gear rattle; Longer friction life, extended by ACT's exclusive diaphragm design; Carefully engineered, precisely assembled, accurately balanced, with premium organic friction materials for heat tolerance and reduced fade; Recommended for street and race use; 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability

• "Excellence in Performance", backed by the best one-year warranty in the industry!

The ACT HD/Performance Street Sprung Clutch Kit is engineered for drivers who need dependable clutch performance for both street and race applications. This NS3-HDSS kit combines ACT’s Heavy Duty pressure plate with a Performance Street sprung disc, delivering increased clamp load, smooth engagement, and reliable power transfer. The result is a clutch system designed to handle demanding driving while maintaining practical street manners.

ACT Heavy Duty pressure plates use an exclusive diaphragm design to help increase clamp load, reduce deflection, and extend clutch life. Each diaphragm undergoes a four-stage heat-treating process for consistent performance, while precision cover stampings improve rigidity and assembly consistency. The Performance Street disc uses premium organic friction material with high copper content for improved heat transfer, reduced fade, and longer friction life. Steel-backed lining adds burst strength and durability, while reduced marcel supports faster shift action.

The ACT NS3-HDSS is carefully engineered, precisely assembled, accurately balanced, and 100% clamp-load tested. Its light to moderate pedal effort and smooth, positive engagement make it suitable for daily driving, performance vehicles, and mild race use. The sprung design helps provide OE-like drivability with the potential for mild gear rattle depending on vehicle setup and use. ACT backs this clutch kit with a one-year warranty for additional confidence.

Product Overview

This automotive clutch kit is designed as a complete HD/Performance Street sprung solution. Verify vehicle-specific fitment, transmission configuration, and application requirements before ordering. The kit is not CARB approved and is not intended to satisfy emissions-related requirements.

Key Product Specifications and Technical Data

• Brand: ACT
• Part Number: NS3-HDSS
• Product Type: Automotive clutch kit
• Clutch Configuration: Heavy Duty pressure plate with Performance Street sprung disc
• Intended Use: Street and race applications
• Engagement Characteristics: Smooth, positive engagement with light to moderate pedal effort
• Friction Material: Premium organic material with high copper content and steel-backed lining
• Performance Testing: 100% clamp-load tested and dynamically computer balanced

What’s Included

• ACT Heavy Duty pressure plate
• ACT Performance Street sprung clutch disc

Fitment: Vehicle-specific fitment data should be verified before purchase. Confirm the application using the vehicle year, make, model, engine, transmission, and original clutch specifications.

Features:

• Heavy Duty Diaphragm Design: Increases clamp load, reduces deflection, and helps maximize clutch life.
• Heat-Treated Pressure Plate: Four-stage heat treatment supports consistent performance under demanding conditions.
• Premium Organic Friction Material: High copper content improves heat transfer, heat tolerance, and resistance to fade.
• Sprung Performance Street Disc: Provides smooth engagement, faster shift action, and dependable durability for street and race use.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1