The ACT Prolite flywheel is ACT's lighter flywheel offering with lowest inertia. Prolite flywheels are designed for best throttle response and acceleration. Prolite flywheels are preferred for road racing or rally racing, and have reduced drivability. Materials are properly distributed for maximum strength, good heat tolerance and rigidity. ACT flywheels are serviceable and can be resurfaced with no need to purchase additional parts.
8.5lb Prolite chromoly steel flywheel
Dramatically improved engine response and acceleration, mild to moderate gear rattle
Heat-treated forging for strength and toughness, induction-hardened ring gears for maximum life
One piece construction allows less opportunity for failure and provides uniform efficient heat transfer from the clutch disc. No more warped inserts or loose ring gears
Forged, CNC machined and dynamically computer balanced for smooth high RPM reliability
Resurfacing not required; ready to go right out the box
Recommended for street and race use
01-05 EP3 Civic Type-R (K20A)
02-05 Civic Si (K20A3)*
06-11 Civic Si (K20Z3)
01-06 Integra Type-R (K20A)
02-06 RSX Type-S (K20A2/Z1)
02-06 RSX Base (K20A3)*
*Must switch to an 02-06 RSX Type-S or 06-11 Civic Si clutch kit (pressure plate + disc) - the K24Ax and K20A3 pressure plates are incompatible with this flywheel as the alignment pins are clocked differently.
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Image(s) shown for illustration purposes and may not reflect actual vehicle model.