SONNAX 400 PRESSURE REGULATOR VALVE KIIT (1970-ON)
	Quantity in Basket: none Code: SNX-34910-03K Price: $23.66 Shipping Weight: 1.00 pounds
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High mileage vehicles with a 400 often experience poor line pressure control due to a worn pressure regulator bore. This will result in high cooler pressure and converter, crankshaft, and/or friction element failure. This bore wear can be verified by testing line pressure and Wet Air Testing the pump. This hardened steel valve continuously oscillates within the cast iron pump bore, resulting in wear. Balance line pressure is then allowed to leak past the valve and exhaust to the sump. This prevents the pressure regulator valve from moving completely to the lower line pressure position. Sonnax now offers a pressure regulator valve kit 34910-03K that eliminates these problems.