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  See more parts for Infiniti G35
Select the year of your Infiniti G35:
ACT XACT Flywheel Streetlite Infiniti G35 | G37 | Q60 | Nissan 350Z | 370Z 2006-2020 - 600590
ACT XACT Flywheel Streetlite Infiniti G35 | G37 | Q60 | Nissan 350Z | 370Z 2006-2020 - 600590 - Image 3 ACT XACT Flywheel Streetlite Infiniti G35 | G37 | Q60 | Nissan 350Z | 370Z 2006-2020 - 600590 - Image 2 ACT XACT Flywheel Streetlite Infiniti G35 | G37 | Q60 | Nissan 350Z | 370Z 2006-2020 - 600590 - Image 3

If you’re looking to kick your ride up a notch, the Advanced Clutch XACT Flywheel Streetlite 600590 is definitely worth your attention. This flywheel is a game changer—it's noticeably lighter than the stock option, which means better performance and quicker revs. Trust me, once you feel the difference, you’ll wonder how you ever drove without it.

What sets the Streetlite apart is its durability. Made from high-quality Chromoly Steel, it’s built to handle the heat and stress of both street driving and drag racing. The heat-treated forging gives it some serious toughness, while the induction-hardened ring gears ensure you won’t be replacing this piece anytime soon. Plus, it’s designed with a one-piece construction, so you won’t have to worry about warped inserts or loose ring gears. It’s all about reliability and performance.

When you install this flywheel, you can expect a noticeable boost in engine response and acceleration. Sure, you might hear a bit of that OE to mild gear rattle, but that’s just part of the charm of having a high-performance setup. And for those who care about the details, it’s dynamically computer balanced for smooth operation at high RPMs—because nobody wants a shaky ride when you’re pushing the limits.

Now, if you’re wondering about the nitty-gritty specs, here’s the scoop: it weighs in at just 17.1 pounds, has a friction surface diameter of 9.8 inches, and features a flat friction surface configuration. It’s got an SFI rating of 1.1, which is a solid indicator of its racing pedigree. Just keep in mind that it doesn’t come with mounting hardware, so you’ll need to grab that separately.

As for fitment, this flywheel is compatible with a variety of models, including:

  • Infiniti G35 (2008)
  • Infiniti G37 (2008-2013)
  • Infiniti Q60 (2014-2015)
  • Nissan 350Z (2006-2009)
  • Nissan 370Z (2009-2020)

If you're ready to take your driving experience to the next level, don’t sleep on the Streetlite 600590. It’s a solid investment for anyone serious about performance.

Install Instructions:
For detailed installation guidance, CLICK HERE.

Other Part Numbers:
ACT #act600590

Proposition 65

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

Vehicle
2008
 Infiniti G35
2008-2013
 Infiniti G37
2014-2015
 Infiniti Q60
2006-2009
 Nissan 350Z
2009-2020
 Nissan 370Z

ACT Banner

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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