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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
1967-1987 Pontiac Firebird
Simple yet accurate
Holley / Quick Fuel Carburetors
1/2 in ID Hole
Ball Joint / Spherical Bearing
Wilson Manifolds Carburetor Spacer - 4500 2" Open L/W H763CB3XL 1967-1987 Pontiac FirebirdNitrous 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
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