These twinbelt v pulleys are made from hard wearing aluminium

They are light weight and replace the old singel v belt

They are 63mm in diamiter and have a 15mm centre hole

They will fit all genuine rotary alternators

Ranging from 12a - 13b  early and 13b ser 4 and 5 engines

NOTE If you need it in black just request it on checkout 

If you have a ser 6, or Bosch or EL falcon  alternator you  wish to fit one of these pulleys

See our other listings 

Can also supply 2 high quality Gates belts  for $25 EACH

NOTE

These pulleys will NOT fit rx7 ser 6,7,8,alternators  without alterations

They will not fit the 20b alternator