SKU: 84426978357

AI4-HDR4 - HD/Race Rigid 4 Pad

Sale price$217.80 Regular price$242.00
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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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Description

AI4-HDR4 - HD/Race Rigid 4 PadSpecifications: Item Description: HD Race Rigid 4 Pad Product Weight (lbs.): 11. 9 Torque Capacity (ft lbs.): 310 Torque Capacity Over OE: 68% Disc Material: Ceramic Clutch Disc Diameter (Inches): 8. 7 Clutch Disc Diameter (Millimeters): 220 Input Shaft Diameter (inches): 1. 03125 Pressure Plate Type: Heavy Duty Warranty: 12 Months Description: The AI4 HDR4 kit from ACT combines their popular Heavy Duty pressure plate with a high performance 4 pad

Specifications:

  • Item Description: HD/Race Rigid 4 Pad
  • Product Weight (lbs.): 11.9
  • Torque Capacity (ft/lbs.): 310
  • Torque Capacity Over OE: 68%
  • Disc Material: Ceramic
  • Clutch Disc Diameter (Inches): 8.7
  • Clutch Disc Diameter (Millimeters): 220
  • Input Shaft Diameter (inches): 1.03125
  • Pressure Plate Type: Heavy Duty
  • Warranty: 12 Months

Description: The AI4-HDR4 kit from ACT combines their popular Heavy Duty pressure plate with a high-performance 4-pad rigid race disc, delivering exceptional durability and race-proven performance:

Heavy Duty Pressure Plate:

  • Utilizes ACT's exclusive diaphragm design to increase clamp load, reduce deflection, and maximize clutch life.
  • Endures a four-stage heat-treating process for unparalleled performance and reliability.
  • Precision cover stampings provide rigidity and consistency for smooth engagement and shifting.

4-Pad Rigid Race Disc:

  • Made with high-quality ceramic friction materials for maximum performance and heat tolerance.
  • Chrome-moly hub is heat-treated for strength and durability, ensuring reliable performance under high-stress conditions.
  • Lightweight, rigid design allows for quicker shifts and smooth, trouble-free service, making it ideal for smaller disc sizes and engines.

Smooth Engagement, Enhanced Reliability:

  • Offers a light to moderate pedal effort with aggressive engagement, suitable for race use.
  • Increased gear rattle may be experienced due to the rigid design, but it enhances performance characteristics.

Vehicle Fitment:

  • Compatible with various models including the 1994-2001 Acura Integra GS-R, LS, RS, Special Edition, Type R, 1994-2001 Honda Civic del Sol VTEC, 1998-2001 Honda CR-V EX, LX, and 1999-2000 Honda Civic Si.

Safety Notice:

  • This product contains materials known to the State of California to cause cancer or reproductive harm. For more information, visit www.P65Warnings.ca.gov.

Experience race-proven performance and durability with the AI4-HDR4 HD/Race Rigid 4 Pad clutch kit from ACT, designed to meet the demands of high-performance racing applications while ensuring reliability and smooth operation.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 84426978357

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4.9 ★★★★★
Based on 9 reviews
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Product Reviews
K
Verified Purchase
K Bram
Dallas, US
★★★★★ 1
Size does not fit
Color: Black-satin, Size: Large
The pants fits like a 34......it could not be n buttoned and the crutch was extremely short n tight.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2026
I
Verified Purchase
Isaac U
Grantham, US
★★★★★ 3
Size up at least once or twice if you buy these
Color: Black-satin, Size: Medium
I really wanted these pants to work because they actually look very nice and the material feels decent for a tuxedo pant. However, the sizing is completely off. I normally know my size pretty well, but these arrived and were way too small. I ended up reordering two different pairs in larger sizes trying to find the right fit, and even then, I couldn't get it quite right. Since I was in a major time crunch for an event, I eventually had to give up because I didn't have the time to go back for a third pair. It is a shame because the flat front style is exactly what I was looking for and the functionality of the clasp and zipper seemed solid. The value for money would be great if the fit was consistent, but the headache of returning and reordering makes it tough to recommend unless you have plenty of time to experiment with the sizes. If you decide to grab these, definitely plan on ordering at least one or even two sizes larger than what you usually wear. They have a nice professional look to them, but the durability of the fabric doesn't matter much if you can't actually get them on.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 9, 2026
F
Verified Purchase
Frederick Snead
Bozeman, US
★★★★★ 5
Like the style
Color: Black-satin, Size: XX-Large
Fits good
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Reviewed in the United States on April 4, 2026
H
Verified Purchase
Humberto S.
Lake Worth, US
★★★★★ 5
Buena compra !!
Color: Black-satin, Size: Medium
Me gustó el detalle y la caída del pantalón, lo compraré otra vez en el futuro.
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Reviewed in the United States on September 3, 2025
M
Verified Purchase
Maav
Birmingham, US
★★★★★ 1
Runs EXTREMELY small
Color: Black-satin, Size: 3X-Large
Ordered a 3X but got a XS…i am a 42-44, got the 3X to have tapered to my fit, but upon opening the pants, it seemed they may be more of a 32-34 and the adjustable straps aren’t really adjustable, they are just buckles sewed in place for design. The 3X tag sewn in is a complete lie! Only giving 1 star because they did have the satin tuxedo stripe on the side!
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Reviewed in the United States on November 26, 2025

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