The Electronic actuation results in the widest possible tuning window from zero boost (if manifold priority allows) to all available boosts

-1R kits are sprung ceramic single plate upgrades like seen in the ""-1B"" kits

For maximum adjustment range check out the upper control arm  aswell

True Plug & Play Upgrade

2 x 1/8" NPT Reference Ports

Clutch Kit - Clutch Pro KNI28007 Spacers The Electronic actuation results inClutch Pro has a reputation throughout Australia and now in Europe for supplying the highest quality original equipment type clutch kits, clutch components, systems and accessories. Clutch Pro globally sources from respected original equipment manufacturers to complete their comprehensive range. The Clutch Pro range covers passenger car clutch components and systems with over 1600 new clutch kits in its standard replacement range. The Clutch Pro range