ACT XACT Streetlite Single Mass Steel Flywheel (09+ BMW E82 135i, E9X 335i, F30 335i, F32 435i)
Product Details
Description
The 601030 is ACT's Streetlite flywheel, a superior option significantly lighter than stock while maintaining exceptional durability. Engineered with proper material distribution, it ensures optimal strength, reduced inertia, excellent heat tolerance, and enhanced rigidity. ACT's Streetlite flywheels are highly regarded for street and drag racing applications. What sets them apart is their serviceability, as they can be resurfaced without the need for additional parts. Choose the 601030 Streetlite flywheels for unmatched performance and longevity.
- Feel: Noticeably improved engine response and acceleration, with OE to mild gear rattle.
- Life: Heat-treated forging ensures strength and toughness, while induction-hardened ring gears maximize lifespan.
- Quality: One-piece construction reduces the risk of failure and promotes efficient heat transfer from the clutch disc. No more warped inserts or loose ring gears.
- Recommended Use: Ideal for both street and race applications.
- ACT Difference: Forged, CNC machined, and dynamically computer balanced for smooth operation and reliable performance at high RPM.
FAQ:
Can I use an aftermarket flywheel with an ACT clutch?
The ACT clutch system is designed to work with both stock and good-quality aftermarket flywheels. Inferior aftermarket flywheels may have trouble with warpage or high wear. When replacing a flywheel, ensure the new flywheel meets the same specifications, such as proper step, ring gear tooth count, flywheel thickness, ring gear offset, etc. The ACT clutch must be used only with the corresponding ACT flywheel if it is designated as part of a conversion kit.
What is a flywheel step?
The flywheel step determines the pressure plate's proper working range and is crucial for the clutch to work properly. The step is the distance between the friction surface and the pressure plate mounting point on the flywheel. Depending on the make and model of the car, it can either be an UP step or DOWN step and sometimes the flywheel will be flat (zero step). Check the manufacturer's specifications about the proper flywheel step for the application.
Can the XACT Flywheels be resurfaced, and is there a special process?
Yes, ACT XACT flywheels can be resurfaced just like a stock flywheel, and there is no special process other than using a flywheel grinder in good condition to remove as little material as possible for full cleanup (no more than 0.040” / 1.02mm may be removed). Make 100% sure that the proper flywheel step is maintained as this will affect the clutch function if incorrect.
Note:
Single mass flywheel conversion. For a 6-bolt crankshaft. It can be used with both factory clutch kit and ACT clutch kits. Gear rattle is expected. Flywheel bolts included (M12-1.5 x 25mm).
Product Features
- Improved Engine Response
- Reduced Gear Rattle
- Enhanced Durability
- Maximum Ring Gear Life
- One-Piece Construction
- Versatile Use (Street and Race)
- High RPM Reliability
- Easy Maintenance
installation
warranty
1 Year Warranty
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