SKU: 1241714422

GM8-HDSS - HD/Perf Street Sprung

$231.30 $257.00
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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10

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Description

GM8-HDSS - HD/Perf Street SprungSpecifications: Item Description: HD Perf Street Sprung Product Weight (lbs.): 21. 6 Torque Capacity (ft lbs.): 629 Torque Capacity Over OE: 32% Disc Material: Organic Clutch Disc Diameter (Inches): 10. 5 Clutch Disc Diameter (Millimeters): 266 Input Shaft Diameter (inches): 1. 125 Pressure Plate Type: Heavy Duty Warranty: 12 Months Description: The GM8 HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc. ACT

Specifications:

  • Item Description: HD/Perf Street Sprung
  • Product Weight (lbs.): 21.6
  • Torque Capacity (ft/lbs.): 629
  • Torque Capacity Over OE: 32%
  • Disc Material: Organic
  • Clutch Disc Diameter (Inches): 10.5
  • Clutch Disc Diameter (Millimeters): 266
  • Input Shaft Diameter (inches): 1.125
  • Pressure Plate Type: Heavy Duty
  • Warranty: 12 Months

Description:

The GM8-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc. ACT Heavy Duty pressure plates use an 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. Precision cover stampings ensure 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.

Description:

  • Feel: Light to moderate pedal effort, smooth positive engagement, OE to mild gear rattle
  • Life: Longer friction life, extended by ACT's exclusive diaphragm design
  • Quality: Carefully engineered, precisely assembled, accurately balanced, with premium organic friction materials for heat tolerance and reduced fade
  • Recommended Use: Recommended for street and race use
  • ACT Difference: 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability

Vehicle Fitment:

  • Application: Engine
  • Fitment covers various models of Pontiac Firebird from 1971 to 1974, including Base, Esprit, Formula, and Trans Am, with engine specifications ranging from 5.7 V8 GAS FI 5733cc to 6.6 V8 GAS FI 6555cc, all naturally aspirated and OHV.

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, visit www.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: 1241714422

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4.7 ★★★★★
Based on 20 reviews
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Product Reviews
X
Verified Purchase
xyz
Phoenix, US
★★★★★ 4
Quality shoe but with a slight squeak.
Size: 10 Wide, Color: Burgundy Polished Full Grain
Nice shoes with the classic Penny Loafer design. Fit was better than another brand I tried. Only reason not 5 starts is disappointment due to a slight squeak at times when walking.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 11, 2025
S
Verified Purchase
Steven D
Lowell, US
★★★★★ 5
Exact item ordered, quick delivery
Size: 9.5, Color: Black Polished Full Grain
I ordered these black Cole Haan penny loafers for casual wear with jeans, khakies, and even business casual with slacks and a jacket. They've always worked perfectly for these uses. The Cole Haan version is the most versatile and still meets my sophisticated look criteria. I wear a 9 1/2 M with almost all other shoes. I have found Cole Haan to run slightly wider and slightly shorter. This fit will work with thin and no socks and a little loose in width. . I'd likely order a 10 N next time. I tend to forget this but it runs consistent with me for Cole Haan. 5 stars for the shoe and service. My bad on the slightly off fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 8, 2025
H
Verified Purchase
Hugh62
Birmingham, US
★★★★★ 1
Poor quality control - maybe outlet store leftovers
Size: 11.5, Color: Burgundy Polished Full Grain
The two shoes were not the same size. They were both labeled 11 1/2 but one shoe was larger than the other and the fit was poor. I returned the first pair and ordered a replacement. This time the shoes were close to the same size but too loose and the left one has sewing issues. I've bought Johnston & Murphy for years because of the quality. These were to replace an existing pair of burgundy penny loafers that have finally worn out (even after several heal/sole replacements). That is the expected quality. I suspect Nashville Shoe Warehouse may be handling shoes that didn't measure up for the quality; more like an outlet mall than getting the J&M quality I've come to expect. Update: went to Johnston & Murphy site to buy "direct" from the manufacturer. There were several recent reviews where the shoes were long and didn't fit properly. Genesco - please step up the manufacture / crafting of these classic shoes to the level of quality they used to have.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 21, 2025
F
Verified Purchase
Fabric Crazy
Omaha, US
★★★★★ 5
Really nice shoes
Size: 9, Color: Black Polished Full Grain
My husband enjoys wearing these shoes. Very classy looking. They fit well. They arrived quickly. He liked them so much he ordered another pair in a different color which have worked out just as well.
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Reviewed in the United States on February 3, 2026
T
Verified Purchase
tjw
Pawtucket, US
★★★★★ 3
Way too narrow
Size: 9.5 Wide, Color: Burgundy Polished Full Grain
I ordered a wide in this shoe, but it was still way too narrow. I had to return them. Otherwise, it looked like a nice quality shoe.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 12, 2026

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