Introducing the best quality and most durable Radiator Cap on the market. Designed for high-performance applications, this radiator cap is CNC Machined from Billet 6061 Aluminum alloy to ensure maximum strength and longevity.
Designed for high-performance cooling systems, this CNC Billet Aluminum Radiator Cap is the same high-quality component we use in our radiators, expansion tanks, and swirl pot setups. Frustrated with inconsistent quality from other suppliers, we worked directly with a CNC machining company to develop our own precision-machined cap for optimal durability and fit.
Crafted from 6061 billet aluminum, this cap is lightweight, strong, and corrosion-resistant. It is available in raw aluminum or black anodized finish, providing both function and style. This cap will ensure that your cooling system maintains the necessary pressure for maximum efficiency.
Key Features:
- Premium 6061 Billet Aluminum – Strong, lightweight, and built for durability.
- Precision CNC Machined – Ensures a secure and leak-proof fit.
- 0.9 Bar / 13 PSI Pressure Rating – Maintains optimal cooling system performance.
- Fits Small 32mm Radiator Necks (32mm ID) – Designed for high-performance applications.
Specifications:
- Brand: Straightboost Performance
- Cap Pressure: 0.9 Bar / 13 PSI
- Cap Color: Anodized Black
- Fits: 32mm Inner Diameter (ID) Radiator Necks
- Cap Outer Diameter (OD): 55mm
What’s Included:
- 1x Pressure Cap
We also offer matching weld-on radiator necks—check our store for complete cap and weld neck packages.
Important Fitment Notice:
PLEASE MEASURE YOUR RADIATOR FILL NECK BEFORE PURCHASING! This cap is designed for 32mm inner diameter (ID) fill necks.
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