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ACT XACT Streetlite Flywheels - 335i XACT Flywheel ProMass
Part #: 601030
$968.00 For each
Free Shipping! *to continental U.S. only
Fits On:
2009 BMW 135i, 2010 BMW 135i, 2011 BMW 135i, 2012 BMW 135i, 2013 BMW 135i, 2009 BMW 335i, 2010 BMW 335i, 2011 BMW 335i, 2012 B... See more
Description:
ACT's XACT Streetlite ProMass flywheel is a one-piece heat-treated forging, CNC machined and dynamically balanced for smooth high-RPM reliability. Induction-hardened ring gears extend service life, and the single-piece design eliminates warped inserts and loose ring gears. Expect noticeable improvement in throttle response with mild gear rattle at idle.
ACT's XACT Streetlite ProMass flywheel is a one-piece heat-treated forging, CNC machined and dynamically balanced for smooth high-RPM reliability. Induction-hardened ring gears extend service life, and the single-piece design eliminates warped inserts and loose ring gears. Expect noticeable improvement in throttle response with mild gear rattle at idle.
After spending hundreds or thousands of dollars building that high-powered engine, you need a quality transmission set-up that can properly transfer that power into motion. A light-weight ACT flywheel is an excellent way to harness that horsepower.
Q: What does a flywheel do? Why buy a flywheel?
A: A flywheel is a component of your clutch assembly, and can make a huge difference in how your car responds when you press the gas pedal. Lightened flywheels are made out of aluminum or chromoly, which reduces the rotating mass by dramatically trimming weight as compared to your heavy factory OEM flywheel. Because the lighter flywheel has less inertia, the engine doesn't need that much torque (power) to spin the flywheel to reach the certain rpm. The result is your car's rpm will increase faster. Additionally, the reduced weight alone will give you a bump in power.
Q: How do you install a flywheel?
A: We recommend professional installation since dropping the transmission or whole motor is usually needed. Once the transmission is off of the block, you can go ahead and remove your clutch setup and flywheel. Replace the factory flywheel with your aftermarket one, and re-install the clutch. (Buying a new clutch is a good idea at this point since it needs to be taken off anyway.)
A: A flywheel is a component of your clutch assembly, and can make a huge difference in how your car responds when you press the gas pedal. Lightened flywheels are made out of aluminum or chromoly, which reduces the rotating mass by dramatically trimming weight as compared to your heavy factory OEM flywheel. Because the lighter flywheel has less inertia, the engine doesn't need that much torque (power) to spin the flywheel to reach the certain rpm. The result is your car's rpm will increase faster. Additionally, the reduced weight alone will give you a bump in power.
Q: How do you install a flywheel?
A: We recommend professional installation since dropping the transmission or whole motor is usually needed. Once the transmission is off of the block, you can go ahead and remove your clutch setup and flywheel. Replace the factory flywheel with your aftermarket one, and re-install the clutch. (Buying a new clutch is a good idea at this point since it needs to be taken off anyway.)
If you live in California, please note this item may be subject to a Proposition 65 warning. Click here to learn more.
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