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This Radium Engineering VTA (vent-to-atmosphere) oil cap is a direct bolt-on replacement for the OEM oil cap, designed to relieve crankcase pressure and promote cleaner engine operation. Machined from anodized aluminum, it adds a high-performance look while providing functional, service-free air/oil separation.
Key Features:
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CNC-machined anodized aluminum construction
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Direct-fit replacement for OEM oil cap
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Integrated air/oil separator – no maintenance required
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10AN outlet with check valve for rollover protection
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Helps prevent crankcase pressurization under high load or boost
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Sleek VTA design ideal for high-horsepower or track builds
Confirmed Engine Compatibility:
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LS Series: LS1, LS2, LS3, LS4, LS6, LS7, LS9, LSA, L76, L99, L9H
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LT Series: LT1, LT2, LT4, LT5
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Ecotec Engines
Additional compatible engines may apply
Important Notes:
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VTA systems may not be legal in certain racing organizations or emissions-regulated environments
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Depending on the vehicle/ECU setup, a check engine light may be triggered due to unmetered air
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When washing or degreasing the engine bay, cover the filter to prevent fluid contamination
A clean and functional upgrade for performance and race builds looking to improve crankcase ventilation while maintaining a sleek engine bay appearance.
No instructions available for this product.

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