Battery holder stainless steel, black coated /5 , /6, /7 or R90S ONLY for the small Gel battery or Hawker PC680
Modern and lighter pistons for R75/5, R75/6 and R75/7 - 3. oversize 83,0 mm
You need 8 pieces for one engine.
Stainless Steel Battery Holder /6, /7, R90S, R100S/RS/RT for the large BMW battery