Availability

- In Stock Items. Ships Today. (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (5) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Carburetor Mounting
- 4-barrel square bore (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 4-barrel Dominator (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Thickness (in.)
- 2.000 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 1.000 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 1.500 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filter Options
- Made In USA (4)
- Circle Track (3)

Wilson Manifolds Open Carburetor Spacers

4.43 out of 5 stars 7 Customer Reviews

Wilson Manifolds open carburetor spacers have become the standard in NASCAR Nextel Cup racing, but are also for use in any application where a top-quality lightweig

Wilson Manifolds open carburetor spacers have become the standard in NASCAR Nextel Cup racing, but are also for use in any application where a top-quality lightweight 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 horsepower. Wilson is the only manufacturer to produce open spacers in various thicknesses between 1 and 2 inches—for precise tuning of 4150 carburetors and applications whe

Showing In Stock Items. Show All 5 Items.