AUDI 8E0511115DM, 8E0511115FM. SEAT 8E0511115DM, 8E0511115FM. 2x Coil Springs (Pair Set) Rear RH6580 KYB. Part Number RH6580. Spring Design Coil Spring. KYB is the worlds largest manufacturers of OE shock absorbers, with 1 in 4 vehicles leaving production lines with KYB as standard.