I installed the slotted rotors all corners on my WH Hemi some 4 months ago.
RDA manufactured, CNC machined by : Rapid RS Brake & Clutch
todd@rapidrs.com.au
$425 for the set....
The gent who manages who runs the Co. knows his stuff, ex- DBA, American Engineer named Todd.
Pleasure to deal with.
Fitted perfectly had them MagParticle tested by my QA Engineer, all good.
Slotted seem to be an improvement on stock, I run Akebono Ultrapremium Ceramics all-round
Sent from my talking bone using white fella magic