2" Tapered High Velocity Carburettor Spacer Black Finish Suit 4150 Style Flange

Maximise your intake efficiency with Aeroflow's 2" Tapered High Velocity Carburettor Spacer, finished in black. Engineered for 4150-style carburettors, this precision‑machined billet aluminum spacer is designed to accelerate the fuel/air charge, delivering quicker throttle response and stronger top‑end performance.

Key benefits

• 2" tapered design that increases charge velocity, improving atomization and enabling more efficient ignition at higher RPMs.
• Quicker throttle response with a more immediate feel as you roll into the throttle, translating to real performance gains on the street or track.
• Insulation from the manifold reduces heat soak, helping maintain stable carburettor conditions for consistent performance under demanding driving conditions.
• 6061-T6 billet aluminum construction provides dependable strength and precise machining for repeatable gains across multiple runs.

Finish options

• Raw finish
• Black anodized

Compatibility

Designed to fit 4150 Style Flange carburettors, aligning with common performance setups to suit a wide range of engines and applications.

Ideal applications

Whether refining a performance street machine or chasing stronger top‑end power for track days, this tapered spacer offers a targeted, engineering‑driven improvement to your induction system, helping you extract more power from your setup.