Description: Vehicles with listed GM transmissions may exhibit insufficient line rise in drive ranges, soft shifts and/or burnt clutches. These problems may be caused by continuous oscillation of the boost valve within the boost sleeve, creating excessive wear and a path for EPC fluid pressure to leak to exhaust. Sonnax boost valve kit 104520-12K has upgraded materials and minimal clearances to prevent wear and restore proper hydraulic control. The sleeve also has a slightly larger EPC feed orifice to provide quicker throttle response. A new pressure regulator valve outer spring is also included to replace weakened original springs and provides a modest 5 psi increase across the pressure curve.Boost sleeve is manufactured from highly wear-resistant billet aluminum to prevent wearLarger feed orifice provides quicker throttle responseReplacement spring provides modest 5psi line pressure increase
Price: 24.91 USD
Location: El Paso, Texas
End Time: 2024-12-01T18:40:51.000Z
Shipping Cost: 0 USD
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Item Specifics
Returns Accepted: ReturnsNotAccepted
Interchange Part Number: 80289NK
Other Part Number: cr-08A96 cr-08a98-2
Manufacturer Part Number: 104520-12K
Brand: sonnax