36 PSI 2.5 BAR Pressure Cap with 42mm Weld On Neck | CNC Machined Finish

Introducing the best quality and most durable Weld-On Radiator Neck with Cap on the market. Designed for high-performance applications, this radiator neck and cap are 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 and Weld on Neck are the same high-quality components 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 parts for optimal durability and fit.

Crafted from 6061 billet aluminum, this cap and neck are lightweight, strong, and corrosion-resistant. The cap is available in raw aluminum or black anodized finish, providing both function and style. This combination will ensure that your cooling system maintains the necessary pressure for maximum efficiency.

Features:

• Material: Heavy-duty 6061 aluminum for superior heat resistance and durability.
• Design: Weld-on design allows for a secure, leak-free installation on your radiator, expansion tank or swirl pot container.
• Cap Included: Comes with a matching cap to keep your cooling system sealed and functioning optimally.
• Versatile Fit: Compatible with a wide range of vehicle makes and models; ideal for custom builds and repairs.
• Welding Required: Simple welding process ensures a hassle-free setup for both professionals and DIY enthusiasts.

Specifications:

• Nipple Fitting thread: 1/8″ NPT
• Cap Pressure: 2.5 Bar / 36PSI
• Cap Color: Raw Aluminum
• Weld On Neck OD: 57mm
• Weld On Neck Fill Opening ID: 28mm
• Assembled Overall Height: 35mm
• Cap OD: 70mm

Items Included:

• 1x Weld-On Fill Neck
• 1x Pressure cap
• 1x 1/8″ NPT Discharge Nipple

Ensure your vehicle runs cool and efficiently with our Weld-On Radiator Neck with Cap—your reliable solution for effective engine cooling.

This is the exact item we use on our radiators, expansion tanks and swirl pot setups. We have had issues sourcing quality parts like this so we decided to work directly with CNC machining company to make our own style neck and cap. These are machined from high quality 6061 aluminum and are available in raw or black anodized finish. Check our store for different pressure and color options as well.