LD4 ● Confirmed

Chevrolet · Regular Production Option

250 cid I6 (250Q)

Years 1973–75 Models 1

Documented applications

C/K Trucks →

• 1973–75 ● Confirmed

  Base

This page aggregates every documented appearance of LD4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.