4500 TUNER / ENGINE BUILDER OPEN SPACER KIT SET OF 3 390 Wilson Manifolds 100 degree billet

Wilson Manifolds 100 degree billet elbow made for 95-105mm throttle bodies and a 4150 intake manifold

Black Anodized no extra fuel

As requested by previous LSX™ customers

New for 2019 is the HI-BOOST (HB series) of performance throttle bodies

4500 TUNER / ENGINE BUILDER OPEN SPACER KIT SET OF 3 390 Wilson Manifolds 100 degree billetKit includes all four 4500 spacers. Part numbers. 020001 020010 020050 Wilson Manifolds 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