90mm Throttle Body + 4150 Front / Rear Billet Elbow Combo 390 Wilson Manifolds is the only

Wilson Manifolds is the only manufacturer to offer a choice of tapered spacer heights and produces the only fully CNC machined billet tapered spacer on the market

Direct Replacement – Same 5" V-Band inlet and outlet as the original 123mm for simple upgrades

Sealed Roller Bearings – Replaces bushings to eliminate wear and air leaks

This results in maximum power for any given throttle body type and size

With stainless entry fittings instead of zinc-plated steel

90mm Throttle Body + 4150 Front / Rear Billet Elbow Combo 390 Wilson Manifolds is the onlyIncluded in this kit: Wilson Manifolds 90mm throttle body Wilson Manifolds 90mm 4150 Billet elbow Front Rear FACING TPS