MotoRad ST-20 Safety Lever Radiator Cap, 20 PSI – Stant Large Fitment

MotoRad ST-20 Safety Lever Radiator Cap

The MotoRad ST-20 is a 20 PSI safety lever radiator cap built to Stant large specifications. The Lev-R-Vent two-stage release system locks the cap to the filler neck and requires the lever to be lifted before removal — venting system pressure through the overflow tube before the cap releases for safe coolant servicing.

Key Features

• 20 PSI pressure rating for performance cooling systems
• Safety lever (Lev-R-Vent) two-stage pressure release
• Pressure vents through overflow tube before cap removal
• Stant large fitment
• Durable construction — corrosion-resistant materials maintain seal integrity
• Suits street machines, race cars, performance builds, and classic restorations

Specifications

• Part Number: MRD-ST20
• Pressure Rating: 20 PSI
• Fitment: Stant Large
• Design: Safety Lev-R-Vent two-stage release
• Brand: MotoRad / Proflow

Fitment & Compatibility

This cap uses a Stant large fitment. Please verify your radiator filler neck size before ordering. Not sure? Contact us and we’ll confirm compatibility for your application.