Description
A carburetor spacer is one of the most cost-effective upgrades for unlocking hidden performance in your engine. By optimizing air/fuel distribution and flow velocity through the carburetor, this spacer improves throttle response, part-throttle drivability, and peak horsepower—gains that are measurable on a dyno, not just marketing claims. Whether you’re dialing in a bracket racer or refining street performance, this is a bolt-on upgrade that delivers real results.
Wilson Manifolds engineered this spacer with a computer-optimized, variable-radius taper that redirects airflow patterns created by the throttle blades. As the mixture enters the plenum, velocity is gradually reduced for a smoother transition into each runner. At full throttle, this design unlocks up to 110 cfm of additional flow through your carburetor—translating to noticeable gains in acceleration and torque across the RPM band.
- 1 inch thick
- 4-hole square bore
- 4150 carburetor pattern
- Billet aluminum construction
- Black anodized finish
- CNC-machined throughout
- Tapered lightweight design
- Bolt-on installation
- Sold individually
- MPN: 4110
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