SKU: 46847259123

Z64-HDG4 - HD/Race Sprung 4 Pad

Sale price$229.05 Regular price$254.50
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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

Z64-HDG4 - HD/Race Sprung 4 PadIntroducing the Z64 HDG4 Heavy Duty Race Sprung 4 Pad Clutch Kit by ACT, meticulously engineered to meet the demands of high performance driving. Designed to deliver exceptional performance and reliability, this kit combines ACT's Heavy Duty pressure plate with a 4 pad, spring centered race disc for optimal performance on the street or track. ACT's Heavy Duty pressure plate utilizes an exclusive diaphragm design to increase clamp load, reduce

Introducing the Z64-HDG4 Heavy Duty/Race Sprung 4 Pad Clutch Kit by ACT, meticulously engineered to meet the demands of high-performance driving. Designed to deliver exceptional performance and reliability, this kit combines ACT's Heavy Duty pressure plate with a 4-pad, spring-centered race disc for optimal performance on the street or track.

ACT's Heavy Duty pressure plate utilizes an exclusive diaphragm design to increase clamp load, reduce deflection, and maximize clutch life. Each diaphragm undergoes a four-stage heat-treating process, ensuring unparalleled performance in even the most demanding conditions. Precision cover stampings provide rigidity and consistency for smooth gear transitions.

The 4-pad, spring-centered race disc features a spring-center design to properly damp torsional vibrations, resulting in quieter operation and increased resistance to failure under harsh conditions. ACT spring retainers employ wraparound spring windows and thicker stampings to enhance spring support, reduce stress concentrations, and improve strength and reliability.

Key Features:

  • Heavy Duty pressure plate for increased clamp load and reduced deflection
  • 4-pad, spring-centered race disc for enhanced performance and durability
  • Exclusive diaphragm design for extended clutch life
  • Precision cover stampings for consistent rigidity
  • Spring-centered design to dampen torsional vibrations
  • High-quality ceramic friction materials for maximum heat tolerance

Specifications:

  • Product Weight: 15.7 lbs.
  • Torque Capacity: 420 ft/lbs. (72% over OE)
  • Clutch Disc Diameter: 9.4 inches (240mm)
  • Input Shaft Diameter: 1 inch
  • Pressure Plate Type: Heavy Duty
  • Warranty: 12 Months

Recommended for high horsepower street or race use, the Z64-HDG4 kit undergoes rigorous testing, including 100% clamp load testing and dynamic computer balancing, ensuring reliability even at high RPMs.

Vehicle Fitment:

  • 1988-1992 Mazda 626 Turbo (2.2 L4 GAS FI 2184cc | SOHC | Turbocharged)
  • 1988-1992 Mazda MX-6 GT (2.2 L4 GAS FI 2184cc | SOHC | Turbocharged)
  • 1988 Mazda 929 Base (3.0 V6 GAS FI 2954cc | SOHC)
  • 1989-1991 Ford Probe GT (2.2 L4 GAS FI | SOHC | Turbocharged)

Experience the ACT difference with the Z64-HDG4 Heavy Duty/Race Sprung 4 Pad Clutch Kit - the ultimate choice for enthusiasts seeking uncompromising performance and reliability in their high-performance vehicles.

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: 46847259123

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4.9 ★★★★★
Based on 10 reviews
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M
Verified Purchase
Melvin Marsh
Charlottesville, US
★★★★★ 5
100% worth the money
Size: 16'' x 43'', Size: 16'' x 43''
Great product. They look good and function well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 6, 2026
A
Verified Purchase
Amazon Customer
Massapequa, US
★★★★★ 5
Cheaper than the supply house.
Size: 42'' x 28''
I used black pipe similar to this to build some shelves in my man cave. I went looking to build a studio desk and found that Lowe's wanted $8 per floor flange (~$96 just for flanges and not including the pipe, tees, or the other fittings). Even supply house dot com wanted $4 per flange (~$48, but was still missing the other parts AND they didn't offer them because of supply chain issues). For about $65, this was a great buy. Yes everything is greasy. This will be the case regardless of where you buy it. I used some gloves, shop towels, and acetone and it cleaned up easily. For a top, I used a pre-made countertop from Lowe's (~$100) and a 1x4 piece of poplar I had sitting around.
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Reviewed in the United States on January 7, 2023
M
Verified Purchase
mjh
Phoenix, US
★★★★★ 4
Pipes don't assemble square, nice stand though.
Size: 42'' x 28''
These arent standard SCH40 pipe for starters. Significantly lighter. Easier to move around and sturdy enough to support a table, but this isnt pipe. As such, when I threaded it together, it wasn't square. I was able to flatten it mostly, but I had to use a clamp to bend the assembled piping to sguare so it would attach to the table runners. It's fine, but it surprised me. It looks nice, and it provides plenty of support for the table. All good. Several folks complained that the pipes are oily. They are supposed to be to prevent rust. I wiped them down with a few cleaner wipes, and they are fine. Be aware that this doesn't come with instructions or the wood screws you may need for your table top.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2023
D
Verified Purchase
Dj rad dad
Fort Morgan, US
★★★★★ 5
Sturdy & Tuff going on 6 months +
Size: 28'' x 14'', Size: 28'' x 14''
I mounted a thick heavy piece of butcher block to these legs and made a desk. Easy to assemble and install. Mark the holes, pre drill pilot holes and screw them in. I will say I knew they were going to be greasy out of the box. They grease them in the factory to prevent rusting so just wipe them off with an old rag and your good to go. They haven’t felt wobbly or anything like that and butcher block is pretty heavy. I have to say I love them and much cheaper than buying from the hardware store. I’m thinking about building a second one and I would definitely purchase again. Again very sturdy and easy to assemble. People mad about the grease need to realize it’s done as an anti rust measure and it wipes right off and zero rust thus far.
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Reviewed in the United States on March 6, 2023
W
Verified Purchase
William H.
Pawtucket, US
★★★★★ 1
Absolutely not.
Size: 28'' x 14'', Size: 28'' x 14''
Truly terrible product. If you're wanting extreme DIY, aka cleaning it repeatedly, no instructions, and still not impressive quality, this is the item for you. After much time spent trying to remove the nasty oily substance all over the pipes and some sort of weird dirt coming out of the pipes as well, it still hadn't fully come off. When cleaning off the grease, it also took the color off of the item and created a weird, lined look on the pipes, like it was some legit oil rubbed crud on it, instead of paint to look oil rubbed. There is also what appears to be rust on some of the pieces. If someone actually wanted to use the desk and actually bumped into one of the pipes, it would without doubt leave oily residue on clothing. Pictures included of the box without pieces in it as it beautifully captures just how much crud was all over. 100% do not recommend and would give zero stars if it was allowed, but alas.
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Reviewed in the United States on August 4, 2025

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