These kits offer a significant increase in clamping force (30-60% above the factory clutch) over the Heavy Duty equivalents and are designed specifically for vehicles that have had significant aftermarketing tuning and performance upgrades

This center cap only fits: JR1 and JR2

resulting in less wasted boost

we utilize a non-contact hall effect sensor for position of the valve which means no through-holes in the cap ensuring no chance of leaks

means the valve has no problem coping with the boost pressures produced by the AMG's turbo

Clutch Kit - Xtreme Performance Heavy Duty Organic 290Nm 700kg (30% inc.) KMI23005-1A JR44 These kits offer a significantXtreme Performance sprung organic kit 1A Recommended for: Street use in vehicles with minor engine modifications. Sprung organic clutch kits offer exceptional driveability for vehicles used daily but also have performance modifications. The sprung organic disc offers improved dampening which reduces the shock loading on the transmission. Specifications: Torque capacity 290Nm Clamp load 700kg 30% Increased over standard Organic Friction Discs Heavy