Suncoast GM CATEGORY 3 4L80E REBUILD KIT WITH CONVERTER SUNSC-4L80E-CAT3-A

The SunCoast Performance SC-4L80E-CAT3-A is a complete Category 3 rebuild kit for GM 4L80E/4L85E automatic transmissions, designed for heavy-duty and performance applications. This comprehensive kit includes Alto Red Eagle clutches, Kolene steels, an upgraded intermediate band, a new filter, bushing kit, thrust washer kit, a new low/reverse roller clutch, and an upgraded 34-element sprag. It also features a Transgo Stage 2 Shift Calibration Kit, Sonnax Smart-Tech Overrun Kit, heavy-duty forward clutch hub, 300M billet input shaft, and a 300M billet main shaft for superior durability. The kit is complemented by an upgraded triple disc billet 258mm Pro-Loc series torque converter, offering stall speeds from 2,200 to 3,400 RPM.