Sonnax F-Tool kits designed to service a specific bore require the VB-FIX, a self-aligning valve body reaming fixture This tool is designed for the 92835-32K 40TE, 40TES, 41AE, 41TE, 41TES, 42LE, 42RLE, 45RFE, 545RFE, 62TE, 68RFE Transmission Sonnax Oversized Pressure Regulator Kit. Please see our store to find the 92835-32K Fix. Note: This tool works only in conjunction with the VB-FIX you must have both.