RacingDiffs Performance upgrade pack for Porsche 911 (1972-1986)

RacingDiffs Performance LSD clutch plates fits OEM Porsche (ZF) LSD unit without any modifications:
-Porsche 911 Carrera 72-86 (968)


There are 2 different variations of this set:

1. Service pack
2. Performance upgrade set:

Clutches are perforated for better cooling and great viscosity to resist the oil build-up in the holes between dog ear plates.
It is well known that drilled brake discs improve cooling over solid discs! It is the same with the LSD clutch discs.