Sonnax 74574-HD Heavy Duty Overrun Clutch Hub 4L60, 4L60-E, 4L65-E, 4L70-E

Other Part Number: 3587255620Product Name: Automatic Transmission Clutch HubFitment Type: Performance/CustomItems Included: Heavy Duty Overrun Clutch HubManufacturer Part Number: 74574-HDUPC: Does not applyMaterial: SteelVintage Part: NoBrand: SonnaxSeries: High PerformanceDepartment: PerformanceType: Clutch HubProduct Type: Performance Transmission PartsUniversal Fitment: YesProduct Details: Performance Automatic Transmission Clutch HubProduct SubType: Performance Transmission Shaft & GearsPerformance Part: Yes 4L60, 4L60-E, 4L65-E, 4L70-E Heavy Duty Overrun Clutch HubPart No. 74574-HD The overrun clutch hub found in GM 4L60 (700R4), 4L60E, 4L65E and 4L70E units is highly susceptible to cracking and breaking in applications such as autocross. Stop hub failure in these popular performance units with Sonnax heavy duty overrun clutch hub 74574-HD, which features high strength steel and thicker material for trouble free performance when applying deceleration engine braking in D3