Wilson Manifolds Carburetor Spacer - 4500 2" Open L/W BM-1.0 • Open cell intermediate foam

• Open cell intermediate foam filter provides another layer of protection

Choose from a variety of colors

130 lb/in Spring Rate

9/16" X 18

fast cold start-ups

Wilson Manifolds Carburetor Spacer - 4500 2" Open L/W BM-1.0 • Open cell intermediate foamNitrous Pro Flow open spacers have become the standard in NASCAR NEXTEL Cup racing, but are for use in any application where a top quality light weight billet spacer is desired. Open spacers increase plenum volume and move the throttle blades away from the roof of the runners, allowing the air fuel mixture to turn more easily into the runners for improved distribution and mixture quality. Open spacers will add mid range and top end hp. Nitrous Pro