- 1969 Factory-verified
Replaces J-52; 1969 factory service list: "Front Disc Brakes - Power"
GM Heritage factory kit — 1969 Oldsmobile 442 Info Kit, p.247.
JL2 Factory-verified
Also described as Power front disc brakes (single piston)
Documented applications
- 1969–72 Confirmed
N.A. with J55 or 3-speed manual
Grade note: confirmed [HK: oldsmobile/1970_Oldsmobile_442_Info_Kit.txt p.236]
This page aggregates every documented appearance of JL2 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.