Competition Clutch Stage 4 Clutch Kit Nissan 350z 2007-2009 / 370z 2009-2016 / Infiniti G37 2008-2013 | 6073-1620 Vehicle Model_3 Series We have taken extra time

We have taken extra time to adjust tip heights on the applications to require less tipping of the valve to maintain proper tip height for proper valve train geometry

accurate adjustments

and features greasable/replaceable u-joints instead of the non-serviceable type on the factory shaft

Coil Springs (rate 80N/mm)

ACT's SB10-HDR4 kit features a rigid

Competition Clutch Stage 4 Clutch Kit Nissan 350z 2007-2009 / 370z 2009-2016 / Infiniti G37 2008-2013 | 6073-1620 Vehicle Model_3 Series We have taken extra timePart #: 6073 1620 The Competition Clutch Stage 4 1620 assembly comes with a double spring, six rivet carriage and is specifically designed to make gear changes smooth in high horsepower applications. This disc complimented by a performance pressure plate provides 250% increase in torque capacity. Competition Clutch recommends a minimum 300 mile break in for best performance with this set up. The 1620 Series kit includes a performance pressure plate, a