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Maximise your engine's breathing efficiency with these authentic Full Radius Intake Stacks. Hand-crafted in-house at CCK Historic, these stacks are the result of years of competition development, proven on the track to be the most effective intake solution for SU carburettors.

Product Specs

• Compatibility: SU Carburettors (Available for various bore sizes)
• Design: Full radius bellmouth profile
• Material: High-quality, lightweight alloy
• Manufacturing: Hand-made in-house
• Function: Designed to eliminate air turbulence at the intake orifice

Why Choose Our Full Radius Stacks?

• Championship Proven: Developed and refined over decades of racing to deliver a measurable performance advantage in high-output A-series and B-series engines.
• Maximum Airflow: The full radius design allows air to be drawn from 180 degrees, significantly reducing the "choke" effect found with sharp-edged or restricted intakes.
• Turbulence Reduction: Smooths the air transition into the carburettor throat, ensuring a more stable fuel-air mixture and improved throttle response.
• Superior Efficiency: Extensive testing has proven this specific profile to be the most aerodynamically efficient shape for SU induction systems.

Installation Tip: o achieve the best results, ensure there is adequate clearance between the stack opening and any inner wing or bulkhead. These stacks are designed for maximum flow in open-air configurations or within large-volume air boxes.

Key Point: Hand-made in-house and refined through years of winning racing pedigree.

[Full radius intake stacks for SU carburetors. These are hand made in house and have been proven over many years of racing to be the most efficient type of intake for SU carbs. Designed to reduce air turbulence going into the carburetor.]