ACT 07-15 BMW 335i/135i/ Z4 6 Pad Sprung Race Disc Model_FRS and precision alignment

and precision alignment

Tack weld the wheel studs in place for additional reliability

Replaces OEM lines and routes behind the engine cylinder head

while others are still using cheaper plastic parts

As with all KW coilovers

ACT 07-15 BMW 335i/135i/ Z4 6 Pad Sprung Race Disc Model_FRS and precision alignmentAggressive engagement, quick shifts, mild to moderate gear rattle; Premium ceramic friction materials provide moderate wear rates and high heat tolerance; Utilizes wraparound spring windows, thicker retainer stampings and a heat treated, spring steel drive plate to provide support, reduce stress concentrations and increase strength and reliability; Recommended for high horsepower street or race use; High burst strength and holds 28% more torque than