MotoRad ST-16R Safety Lever Radiator Cap, 16 PSI – Stant Square Fitment

MotoRad ST-16R Safety Lever Radiator Cap

The MotoRad ST-16R is a 16 PSI safety lever radiator cap designed for open and closed cooling systems. The Lev-R-Vent safety lever locks the cap to the filler neck and must be lifted before removal — automatically venting system pressure through the overflow tube before the cap releases, making hot coolant servicing safe and controlled.

Key Features

• 16 PSI pressure rating (SAE range: 14–18 PSI)
• Safety lever (Lev-R-Vent) locks cap to filler neck
• Quick pressure release vents through overflow tube before cap removal
• Compatible with open and closed coolant recovery systems
• Stant square fitment
• Stainless steel, plastic, and rubber construction for durability

Specifications

• Part Number: MRD-ST16R
• Pressure Rating: 16 PSI (SAE range: 14–18 PSI)
• Cap Depth: 1.32 in
• Valve Outside Diameter: 1.14 in
• Width: 1.71 in
• Fitment: Stant Square
• System Compatibility: Open & Closed System
• Material: Stainless Steel, Plastic, Rubber
• Brand: MotoRad / Proflow

Fitment & Compatibility

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