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  See more parts for Volkswagen Golf MK4
Select the year of your Volkswagen Golf MK4:
ACT XACT Flywheel Streetlite Volkswagen Golf | Jetta 1999-2007 - 600821
ACT XACT Flywheel Streetlite Volkswagen Golf | Jetta 1999-2007 - 600821 - Image 3 ACT XACT Flywheel Streetlite Volkswagen Golf | Jetta 1999-2007 - 600821 - Image 2 ACT XACT Flywheel Streetlite Volkswagen Golf | Jetta 1999-2007 - 600821 - Image 3

ACT Streetlite Flywheel 600821: Precision for Performance

If you're looking to enhance the performance of your Volkswagen Golf MK4 (2002-2004), Golf MK5 (2005), Golf R32 (2004), or Jetta (1999-2007), the ACT Streetlite Flywheel 600821 is a game-changer. This flywheel is significantly lighter than the stock option, allowing for quicker engine response and improved acceleration. Whether you're hitting the streets or the drag strip, this flywheel is built to withstand the demands of both environments.

Why Choose the ACT Streetlite Flywheel?

The Streetlite 600821 is crafted from heat-treated chromoly steel, ensuring maximum strength and durability. Its one-piece construction minimizes the chances of failure, while the induction-hardened ring gears provide extended life and reliability. This flywheel is designed for serious performance enthusiasts who want to make informed upgrades to their vehicles.

Features

  • Enhanced engine response and acceleration
  • Heat-treated forging for toughness
  • Induction-hardened ring gears for longevity
  • One-piece design for efficient heat transfer
  • Forged and CNC machined for high RPM reliability

Technical Specifications

  • Material: Chromoly Steel
  • SFI Rating: 1.1
  • Replaceable Friction Surface: No
  • Engine Balance: Internal
  • Friction Surface Configuration: Recessed
  • Type: Streetlite
  • Mounting Hardware Included: Yes
  • Grade Type: Performance
  • Mounting Hole Quantity: 10
  • Weight: 16 lbs
  • Tooth Quantity: 135
  • Friction Surface Diameter: 9.4 in

Installation Notes

For optimal performance, the ACT Streetlite Flywheel must be used with an ACT pressure plate and disc. Flywheel bolts (M10-1.0 x 22mm) are included for a straightforward installation process. You can find detailed installation instructions here.

What Users Are Saying

A Volkswagen Golf R32 owner shared their experience: "After installing the ACT Streetlite flywheel, I noticed a significant difference in throttle response. The weight reduction makes my shifts feel crisp, and I can feel the engine revving more freely. Perfect for both daily driving and weekend track days!"

Transform your driving experience with the ACT Streetlite Flywheel 600821 — it's a solid investment for anyone serious about performance upgrades.

Other Part Numbers:
ACT #act600821

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2002-2004
 Volkswagen Golf MK4
2005
 Volkswagen Golf MK5
2004
 Volkswagen Golf R32
1999-2007
 Volkswagen Jetta

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ACT ? Advanced Clutch Technology | Clutch Kits & Flywheels Built to Handle Real Power

If you've added boost, tuned for more power, or simply want better throttle control, then your stock clutch won't cut it. That?s where ACT (Advanced Clutch Technology) comes in delivering high-performance clutch kits and flywheels designed for real drivers who push their builds on the street, strip, or track.

ACT?s lineup includes everything from daily driver friendly HD kits to hardcore twin disc setups for serious horsepower. Whether you?re launching hard in a WRX, drifting in a 370Z, or canyon carving in an M3, ACT gives you the torque capacity and engagement you need without sacrificing drivability.

Why ACT? Because Power Without Control Is Useless.
  • Hold More Power Engineered to handle turbo, supercharger, and high-compression builds
  • Faster Engagement Stronger pressure plates for better bite off the line
  • Better Pedal Feel Balanced response without going full race-car stiff
  • Reduced Rotational Mass Lightweight flywheels improve rev-matching and response
  • No Guesswork Direct-fit applications, no fabbing, no hassle
ACT Clutch Kits and Flywheels Fit the Cars Enthusiasts Build

ACT doesn?t just make universal performance parts ? they build complete, vehicle-specific clutch solutions for enthusiast favorites. Whether you daily a Civic Type R, track a Subaru STI, drift a 240SX, or drag a Mustang GT, ACT offers the right clutch to match your build goals.

Top supported platforms include the Nissan 350Z/370Z, Toyota Supra A90, Chevy Camaro SS/ZL1, Mitsubishi Evo, Ford Focus RS/ST, and BMW M3/M4 ? each with clutch options tuned to your driving needs.

What ACT Offers:
  • Performance Clutch Kits From HD street kits to twin-disc race systems
  • Clutch Discs 6-puck, full-face, rigid or sprung to match your style
  • Pressure Plates Heavy-duty options that increase clamp load without sacrificing control
  • Chromoly Lightweight Flywheels Quicker revs, smoother shifts, and less drivetrain stress
  • Complete Hardware Kits Everything you need for a proper install
Performance Tested. Driver Approved.

ACT isn?t hype ? it?s proven. Their clutches are SFI-certified, track-tested, and used by racers in drag, time attack, autocross, drift, and rally. But what really matters? They hold power, last longer, and feel right even after hundreds of hard launches or hours of canyon carving.

Whether you're upgrading for more power or replacing a tired OEM clutch, ACT gives you the bite, strength, and feel to drive harder with confidence. No compromises, no excuses just parts that work when it matters.

ACT warrants all products to be free of defects in materials and workmanship for normal use and service for a period of one (1) year from retail purchase. Written notice must be immediately given to ACT within the warranty period. We require a copy of the purchase receipt showing the unit was purchased from an Authorized Dealer or Advanced Clutch Technology directly to verify the product is under warranty. Products purchased used do not carry a warranty. This warranty is to the original purchaser and is non-transferable. All non-warranty items are subject to a $50 inspection bench test fee.

ACT reserves the right to examine any part returned for warranty claim to determine, to ACT's satisfaction, whether the material or workmanship of the part does not conform to this limited warranty. ACT's obligation under this warranty shall be limited to repairing, replacing, or crediting, at its option, any part which is deemed covered by ACT. No labor, lift or storage charges will be reimbursed for any reason. Damage to ACT's parts resulting from misuse, improper use, or abuse shall void this limited warranty. Failure to follow ACT's installation instructions and the vehicle manufacturers installation procedures and specifications shall void this limited warranty.

ACT undertakes no responsibility for the quality of the goods except as otherwise provided in this contract. ACT assumes no responsibility that the goods will be fit for any particular purpose for which you may be buying these goods, except as otherwise provided in the contract. ACT shall not be liable for any damage or injury to persons or property resulting from improper installation or misuse of any part subject to this warranty.

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