VPI › HW-16 Upgrade Kit Image 1 of 1 HW-16 Upgrade Kit £156.00 All parts and accessories needed to modify your HW-16 to a 16.5 with the HW-16.5 Mod Kit (Tube, Holder, Support). Add To Cart Added! All parts and accessories needed to modify your HW-16 to a 16.5 with the HW-16.5 Mod Kit (Tube, Holder, Support). Where to buy + You Might Also Like Replacement RCM Motors from £252.00 Cork Mat £24.00 Replacement Vacuum Tube Holder Support £48.00 RCM Wooden Platter £60.00 RCM Fluid from £18.00