Wilson Manifolds Carburetor Spacer - 4500 2" Open L/W H763CB3XL 1/2 in ID Hole

1/2 in ID Hole

rear end housings

Ball Joint / Spherical Bearing

1967-1987 Pontiac Firebird

The innovative new design allows for deeper turn entries and higher exit speeds

Wilson Manifolds Carburetor Spacer - 4500 2" Open L/W H763CB3XL 1/2 in ID HoleNitrous 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