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Sonnax Transmission Company Parts and Accessories

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Sonnax Lube Regulated Pressure Regulator Valves

The OE pressure regulator valve design prevents adequate cooler flow at low rpm and high-pressure conditions, which can create overheating. Additionally, in 1999 and later vehicles, the factory EPC pressure was set high at idle, resulting in engine surge conditions in GM 4L80-E and 4L85-E units. Sonnax lube-regulated pressure regulator valves provide a significant increase in cooler flow under low rpm and high-pressure conditions that benefits all vehicles—and eliminates the need for reprogramming 1999 and later vehicles with high EPC pressure at idle.

4.9 out of 5 stars ( 20 )

$39.30

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Sonnax Low Sprag Race and Bearing Kits

Sonnax low sprag race and bearing kits are ideal replacements for lost or damaged components. They feature a thrust bearing, inner race, and 1.013 in. thickness. If you're looking for parts for your one-way clutch from an industry leader in cutting edge design, a Sonnax low sprag race and bearing kit fits the bill.

4.0 out of 5 stars ( 1 )

$29.76

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