C-4 C-5 Transmission C Ratio Billet Aluminum Servo Piston Kit Sonnax K13259C Rebuild Kit Sonnax case saver retainer 34762-20

Sonnax case saver retainer 34762-20 for '99-later GM 4L80-E units is the only intermediate clutch retaining ring case saver that allows the intermediate band to be retained

Reconditioning the bore and installing Sonnax oversized pressure regulator and boost valve kit 104520-07K re-establishes the hydraulic integrity of these circuits for proper line pressure control in all ranges

Brand: SPX Filtran

Upgrades to (6) frictions over original (5)

C-4 C-5 Transmission C Ratio Billet Aluminum Servo Piston Kit Sonnax K13259C Rebuild Kit Sonnax case saver retainer 34762-20Brand: Sonnax Type: Servo Manufacturer Warranty: 90 Day Fitment Type: Performance Custom Manufacturer Part Number: K13259C Material: Aluminum Universal Fitment: Yes Vintage Part: No Performance Part: Yes C4, C5 Transmission High Performance Servo Piston Kit "C" Ratio Servo Kit Part No. K13259C Purple Anodized Cover As used with Shelby Mustang and other performance vehicles, Sonnax "C" ratio servo kit K13259C offers greater holding power, giving