Check the listing for details. SK 4L60E 4L65E Transgo Shift Kit Code 1870 P1870 w/all latest updates (SK4L60E)*. Condition: New. Listed at 39.50 USD. Transgo Shift Kit (SK4L60E) Transgo Shift Kit (SK4L60E) Transgo Shift Kit (SK4L60E) TRANSGO SHIFT KITThis is the same kit that Professional Transmission Rebuilders use Includes all items shown FITS: 4L60E / 4L65E / 4L70E / 4L75E(1993-On) Installation does not require transmission removal SK4L60E_______ A Must to remove code 1870 _______Fixes Code 1870 Trouble light & Hard 1-2 shiftNo lockup or 4th. Converter shudder/slip/burn-up 3-4 clutch and 2nd band failure rear planet burnup and bushing burnup 1-2 Bump-Double bump slide bump Fixes harmonic bounce that wears out pump and valves and causes shuttle shifts. Has new design Isolator Valve that works perfect in worn bore w/o special tools or machining.Installs with transmission in vehicle. Buy with confidence * Check out our feedback