74 Duster, resto mod 6.4 conversion in Australia

Found the part list on the B body forum if you punch the part numbers into ebay look to come up with the correct parts

04627851AA is the grooved idler that is required for the PS delete. This will mount to 04593918AA.

BRACKET. Idler Pulley. 04593918AA $46.85
TENSIONER. Belt. 04861660AA $51.17
PULLEY. Idler. 04891720AA $18.63
PULLEY. Idler. 04627851AA $16.47
1 - BOLT. Mounting. Hex Flange Head. M10X1.50X55.00. 06104221AA $3.51
3 - BOLT. Mounting. Hex Flange Head. M10X1.50X130.00. 06104230AA $2.70
2 - SCREW. Hex Flange Head. M8x1.25x34. 06509487AA $2.50
3 - BOLT, SCREW. Mounting, Tension Bracket Assembly To Timing Cover Front, Tensioner To Bracket. Hex Flange Head, Hex Head. M8x1.25x30, M8X1.25X30.0, M8X1.25X30.00. 06104025AA $4.59