I'l list what I know of stock style replacement shocks first them performance shocks second.
Stock Rep.--------------------------------------------------------------------
Front:----------
Gabriel: 82129
KYB: 343129
Rear:-----------
Garbriel: 81438
Gabriel (air shocks): 49302
Monroe: 5817
KYB: 343132
Perfromance Shocks:----------------------------------------------------------
Competition engineering:--------------
Adjustable 3 position Drag Shocks
Front: C2600
Lakewood:--------------------------------
Front:
- 40100 (90/10)
- 40120 (70/30)
Rear:
- 40300 (50/50)
- 40310 (70/30)
NOTE: Rear shocks not listed as available for 1971 Vega chassis.
God bless
-Shred