Competition Clutch Stage 4 Clutch Kit - B Series YS1 CB Rear bumper air diversion diffuser

Rear bumper air diversion diffuser perfect for reducing the parachute effect cause by the rear bumper

High quality USA made spherical bearings

flow tested and dynamically matched for characterization within one percent of each other

or a 65mm fitment for stock catback exhausts

Compatible with H2B Swaps

Competition Clutch Stage 4 Clutch Kit - B Series YS1 CB Rear bumper air diversion diffuserCompetition Clutch Stage 4 Clutch Kit B Series YS1 Competition Clutch Stage 4 Clutch Kit B Series YS1 The Competition Clutch Stage 4 Clutch Kit is ideally suited for higher horsepower street and competition vehicles up to around 500HP. The sprung centred, 6 puk drive plate is good for penetrating engagement but is more on off than stage 1. 5 and stage 2 organic options. This disc, complemented by a performance pressure plate provides an increase of up