Note that the Duratec is making peak power very low in the RPM range due to a very restrictive exhaust (soon to be replaced!), but the effect of the trumpets on engine performance is clear. In both cases significant performance increases (typically 5-9bhp) are seen between 3500-6000rpm when the carburettors are fitted with our trumpet kit. Additionally the torque curve is seen to be much smoother. Buy NEW50mm CNC Aluminum Alloy Velocity Stack for PWK PE VM 21/24/26/28/30mm Carb online today 50mm CNC Aluminum Alloy Velocity Stack for PWK PE VM. These are perfect for those looking to really make their engine bay stand out.īelow are links to two different engines fitted with two popular bike carb kits (one 1800 zetec with R1 Mikuni carbs, one Ford 2.3 Duratec fitted with ZX9R carbs). The lower lines are both carb sets without trumpets and the higher lines are when fitted with our 50mm trumpets. Carburetor 55mm Velocity Stack CNC Aluminium Alloy Air Filter Cup Funnel Trumpet. Please note this listing is for a single trumpet. The flange mount will suit all our velocity stack kits (adapter plates, clamp rings) as well as many other manufacturers carburettors and throttle bodies sharing the 65mm hole centre mounting. However being a single piece design it is particularly suited to heavy duty (motorsport) applications, or for anyone requiring an even higher level of fit and finish. Machined from a solid billet as a single piece, this premium quality velocity stack shares many design features with our long standing 2 piece spun version. Aluminum CNC Chrome Velocity Stack Air Cleaner Filter For Harley Sportster Model (For: Harley-Davidson) Opens in a new window or tab. change with lucas CNC Walbro Barrel Adapter and Velocity Stack CNC made. Length 25/50/90/120mm - Please specify using the drop down menu (If no drop down is available i.e ebay listings, please specify length in notes during checkout) 79cc 212cc OHV Predator Engine Horizontal Shaft 100 CNC Bicycle Mounting. 50/55mm Carburetor Carb Velocity Stacks CNC Air Filter Cup Funnel Trumpet Carburetor Shortest Model Air Funnel Trumpet for Keih-in KO.SO PWK OK.O. Standard Weber/Jenvey Lower Mounting Flange (65mm Hole Centres) Description Reviews (0) danST Engineering are pleased to offer this high quality velocity stack kit for the BMW S38 M5 throttle bodies (S38 engine). DanST Engineering are pleased to offer this premium quality Billet velocity stack. 00 8 00 8 Days: 00 8 33 8 Hours: 55 8 00 8 Minutes: 44 8 100 1 8 Seconds.

Cnc velocity stack