Turned aluminium velocity stack, Made in England. Fitments for:
- SSI 25-30 & VHB 27-30, 65mm long, with external thread M34x1.25. 48mm wide at the mouth
- UA/ MA, 55mm long, with internal thread . 40mm wide at the mouth.
- UB & PHBG & VHB 20-26mm, 65mm long, with internal thread M32x1.25. 48mm wide at the mouth.
Select from options available.