This is a very good all around shock valve, it has some rebound effect while still having bleed that allows weight to transfer to rear tires off corner exit. Can be used in about every class of racing.
Canedit compression side to needed rate for both car and track conditions.
7 rebound 2 compression @ 100 psi
Shock is marked as:
RF1-50 / 130
RFHD + 130 old call out