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Stant Lever Radiator Cap, SAE A Size, Open or Closed Systems

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High-pressure radiator caps help to ensure against overheating. Raising your coolant pressure will raise the coolant boiling point (1 psi adds approximately 2°F to the boiling point, depending on your coolant mixture).

These Stant racing radiator caps are available with two different pressure settings: 20 psi (holds between 18 and 22 psi) or 23 psi (holds between 21 and 25 psi). The "Lev-R-VenT" lever allows you to manually release any remaining pressure safely before removing the cap. Each fits standard full-size SAE "A" size radiator necks. Dual-gasket design can be used on open or closed cooling systems. Sold individually.

Before installing a high-pressure cap, have your cooling system inspected and pressure checked to make sure that it can handle the increased pressure.

Enter desired order quantities below, then click the "Add selected quantities to cart" button.

Order Qty
Part No.

1590-20 PSI
Condition: New
SKU: 25312

Stant Lever Radiator Cap, 18-22 psi

$23.99In Stock

1590-23 PSI
Condition: New
SKU: 25313

Stant Lever Radiator Cap, 21-25 psi

$23.99In Stock