YD1 ✓ Factory-verified

Chevrolet · Regular Production Option

Trailering axle ratio

Years 1970–79 Models 3 Factory citations 5

Also described as Axle For TraileringAxle for trailering

Documented applications

Camaro →

• 1970s ✓ Factory-verified
  ⛭ GM Heritage factory kit — 1970 Chevrolet Camaro, p.8.

Chevelle / El Camino →

• 1970–1972 ✓ Factory-verified
  ⛭ GM Heritage factory kit — 1970 Chevrolet Chevelle, p.84.

  ⛭ GM Heritage factory kit — 1972 Chevrolet El Camino, p.8.

Nova / Chevy II →

• 1971–1973 ✓ Factory-verified
  ⛭ GM Heritage factory kit — 1972 Chevrolet Nova, p.9.

  ⛭ GM Heritage factory kit — 1973 Chevrolet Nova, p.10.

This page aggregates every documented appearance of YD1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.