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  • 1.6 Radiator caps

High Pressure Radiator Cap 1.6 KG. Spears Racing

$34.99 $29.99

Raises the boiling point by 25 degrees when going from a stock 1.1 kg/cm2 (15.7  psi) radiator cap to the 1.6 kg/cm2 (22.75 psi) radiator cap.

61 in stock

Spears Racing High Pressure 1.6 Radiator caps:The simplest and the most inexpensive way to avoid boiling your engine, especially important on over-stressed Lightweight Race bikes cooling systems, is to Pitch the stock 1.1 kg/cm2 radiator cap for a 1.6 Radiator caps. While raising your cooling system’s maximum operating pressure does raise your cooling system’s boiling point and therefore helps to avoid boil-over, it does not lower the engine’s operating temperature prior to boil-over. It simply allows your engine to continue to operate at temperatures higher than it is engineered for.
Water boils at 212 degrees, and for each pound you raise the system pressure, it raises the boiling point 3 degrees. A 1.1 kg/cm2 cap converts to 15.9 psi. Most race bikes use 1.6 kg/cm2 caps (which is 22.75) and should  fit on any Japanese radiator.

Weight .5 lbs

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