SKU: 33134163268

AI2-HDG4 - HD/Race Sprung 4 Pad

Sale price$237.15 Regular price$263.50
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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1

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Description

AI2-HDG4 - HD/Race Sprung 4 PadSpecifications: Item Description: HD Race Sprung 4 Pad Product Weight (lbs.): 12. 5 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 Pressure Plate Type: Heavy Duty Warranty: 12 Months Description: The AI2 HDG4 kit by ACT features their popular Heavy Duty pressure plate paired with a 4 pad spring centered race

Specifications:

  • Item Description: HD/Race Sprung 4 Pad
  • Product Weight (lbs.): 12.5
  • 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
  • Pressure Plate Type: Heavy Duty
  • Warranty: 12 Months

Description: The AI2-HDG4 kit by ACT features their popular Heavy Duty pressure plate paired with a 4-pad spring-centered race disc, designed for high-performance street or race applications. Here's an overview of its key features:

Heavy Duty Pressure Plate:

  • Utilizes an exclusive diaphragm design to enhance clamp load, reduce deflection, and maximize clutch life.
  • Endures a four-stage heat-treating process for superior performance and durability.
  • Precision cover stampings ensure rigidity and consistency for reliable operation.

4-Pad Spring-Centered Race Disc:

  • Features a spring-centered construction to properly damp torsional vibrations for quieter operation and resist failure under harsh conditions.
  • Spring retainers with wraparound spring windows and thicker stampings provide increased strength and reliability.
  • Well-suited for smaller disc sizes in smaller engines.

Enhanced Performance:

  • Provides a light to moderate pedal effort with aggressive engagement and OE to mild gear rattle.

Quality and Durability:

  • Carefully engineered, precisely assembled, and accurately balanced to deliver maximum performance and reliability.
  • Utilizes select ceramic friction materials for high heat tolerance and maximum performance.

Recommended Use: Recommended for high horsepower street or race use.

ACT Difference:

  • 100% clamp load tested and dynamically computer balanced to ensure smooth operation at high RPMs.

Vehicle Fitment

Fitment Info
Application Engine
1990 Acura Integra GS 1.8 L4 GAS FI 1834cc
1990 Acura Integra LS 1.8 L4 GAS FI 1834cc
1990 Acura Integra RS 1.8 L4 GAS FI 1834cc
1991 Acura Integra GS 1.8 L4 GAS FI 1834cc
1991 Acura Integra LS 1.8 L4 GAS FI 1834cc
1991 Acura Integra RS 1.8 L4 GAS FI 1834cc

PROP 65 WARNING

This product can expose you to chemicals including carbon black, glass wool fibers, and silica (in clutch discs), chromium and nickel, which are known to the State of California to cause cancer or birth defects or other reproductive harm. for more information, visitwww.P65Warnings.ca.gov

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: 33134163268

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Ken Strech
Grantham, US
★★★★★ 5
Recommend
Material Type: Recycled Polyester, Color: Dark Navy, Size: X-Large
Great fit, right price
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Reviewed in the United States on March 18, 2026
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Gwen
Houston, US
★★★★★ 5
Nice polo
Material Type: Recycled Polyester, Color: Dark Teal, Size: Medium
Fantastic polo shirt. Size was true to fit. Color is amazing. It’s soft and it has held up through washes since Christmas.
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Reviewed in the United States on March 14, 2026
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Al
Houston, US
★★★★★ 5
Great shirt for the price.
Material Type: Recycled Polyester, Color: Electric Blue, Size: Large
Bought this for my son. Very nice shirt for the price, it is true to size and the color is the same as the picture. Would definitely buy it again. The material is good quality. No issues whatsoever
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Reviewed in the United States on May 19, 2026
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SM
Pawtucket, US
★★★★★ 5
Great purchase
Material Type: Recycled Polyester, Color: Dark Navy, Size: X-Large
Purchased several shirts, all were great quality. You never know what you’ll get when you purchase sight unseen, these are worth it. Great value, style, and comfort. Color is exactly what you see online. True to size.
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Reviewed in the United States on November 25, 2025
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Jocelyn
Charlottesville, US
★★★★★ 4
Great quality for price
Material Type: Recycled Polyester, Color: Red Stripe, Size: XX-Large
Very impressed with the shirt quality, especially for such a low price. Sizing is accurate.
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Reviewed in the United States on May 21, 2026

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