PFR5-1920 and PFR5-1921 are inserts to be used with the original bushes
PFR5-420 and PFR5-422 are complete bushes and used to replace the original bushes
PFR5-1220raises the front of the rear subframe on non-M models, providing the same anti-squat characteristic as featured on M models. For standard location of the subframe front mount, use PFR5-420
PFR5-422P complements PFR5-1220
PFF5-4020 only fits the cars with the N55, B58 and S55
PFF5-4632 fits all manual cars before November 2014
PFF5-470 only fits vehicles with manual transmission
