ACT 4 Pad Sprung Race Disc - 4240508-2 84mm whereas the mini Quik-Latches simply

whereas the mini Quik-Latches simply require the push of your finger to disengage the latch: no tools required

AI2-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc

Torque Capacity (ft/lbs): 250

Clutch Disc: 3000407

1 AFR and never requires free-air calibration when used with an AEM wideband AFR controller

ACT 4 Pad Sprung Race Disc - 4240508-2 84mm whereas the mini Quik-Latches simply4240508 2 is a 4 pad spring centered race disc made with high quality, ceramic friction materials. The engagement is harsher, but shifting is faster. The heavy duty torsional dampening springs are stronger, in most cases, than standard springs and are provided in the best sizes and spring rates to suit the application. The race disc features a heat treated spring steel drive plate and is well suited for the smaller disc sizes in smaller engines.