Axle

1967
Code Gear Ratio Notes
PA 3.08:1
PB 3.36:1
PC 3.31:1 4 speed 350
PD 3.07:1 Posi
PE 3.08:1 Posi
PF 3.31:1 Posi
PG 3.36:1 Posi
PH 3.55:1 small ring gear
PI 3.55:1 large ring gear
PJ 3.73:1 Posi
PK 3.55:1 4 speed
PL 3.55:1 4 speed close ratio
PM 3.73:1
PN 3.07:1 metallic brakes
PO 3.07:1 metallic brakes Posi
PP 3.31:1 metallic brakes
PQ 3.55:1 metallic brakes, large ring gear
PR 3.31:1 metallic brakes Posi
PS 3.55:1 metallic brakes, Posi, large ring gear
PT 3.73:1 metallic brakes
PU 3.73:1 metallic brakes, Posi
PV 3.07:1
1968
Code Gear Ratio Notes
BA 2.56:1 small ring gear
BB 2.56:1 small ring gear, Posi
BI 2.73:1
BL 3.07:1
BN 3.55:1
BP 2.73:1
BQ 2.73:1 small ring gear, Posi
BR 3.07:1 Posi
BS 3.31:1 Posi
BT 3.55:1 Posi Note: Colvin 1st edition lists this incorrectly as 3:35.1 (Thanks Steven Wright)
BU 3.37:1 Posi
BV 4.10:1 Posi
BW 4.56:1 Posi
BX 4.88:1 Posi
BY 2.73:1 Posi
BZ 2.73:1 large ring gear, Posi
PB 3.31:1
PE 3.08:12
PG 3.07:1 Posi
PH 3.55:1 Posi
PK 3.55:1 small ring gear, Posi
PN 2.56:1 large ring gear
PO 2.56:1 Posi, metallic brakes
PP 3.07:1
PR 3.31:1 Posi
PX 2.73:1 small ring gear, Posi
Q2 3.55:1 large ring gear
Q3 3.55:1 large ring gear, Posi
1969
Code Gear Ratio Notes
BA 2.56:1
BB 2.56:1 Posi
BC 3.36:1
BD 3.36:1 Posi
BE 4.10:1 Posi HD COPO
BI 2.73:1
BL 3.07:1
BM 3.31:1
BN 3.55:1
BO 3.73:1
BP 2.73:1
BQ 2.73:1 Posi
BR 3.07:1 Posi
BS 3.31:1 Posi
BT 3.55:1 Posi
BU 3.73:1 Posi
BV 4.10:1 Posi
BW 4.56:1 Posi
BX 4.88:1 Posi
PA 3.08:1
PE 3.07:1 Posi
PX 2.73:1 Posi
PY-PZ 2.56:1