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NS4-HDSS ACT HD/Perf Street Clutch Kits

Name: ACT NS4-HDSS HDPerf Street Clutch Kits
Brand: ACT
SKU: NS4-HDSS
Price: 494.00 USD
Availability: InStock

NS4-HDSS ACT HD/Perf Street Clutch Kits image 1

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Authorized Dealer

Product: ACT HD/Perf Street Clutch Kits

Category: ACT Clutch Kits - Single

Part Number: NS4-HDSS

UPC: 842385012717

MSRP: $610.00

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$494.00

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New with manufacturer warranty

Availability: IN STOCK (1) - LOW
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(Last checked: 07/14/2026)
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Description:

NOTES: ACT HD/Perf Street Sprung Clutch Kit

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. HD/Perf Street Sprung.

NS4-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.

Features:

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

HD = HEAVY DUTY PRESSURE PLATE

20-50% clamp load increase

Stock to moderate pedal feel

Recommended disc: Street / Race

Performance Street Disc

Recommended for street & race use

Premium organic friction material for high heat tolerance, quick recovery, good friction and long life

Quicker Shifting and Engagement

Heavy duty torsional damper springs provide quieter operation

Steel-backed linings for higher burst strength

Precision broached splines ensure an exact fit to input shaft

Heat treated spring windows and drive plates

SFI Certified

Fitment:

Years	Make	Model	Trim
Sorry we do not have fitment information available for this part number. Contact us for any fitment questions.

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For more information on ACT part number NS4-HDSS, you can visit the official ACT website.