Genuine Toyota bolts for your transfercase shift lever. These are the bolts that attach the transfercase shifter base to the top of the transfer case. These are the correct bolts for your 1979-1995 4cyl gear drive RF1A Transfercase. These fit most other transfercase and manual transmission bases as well. Be careful not to install bolts that are too long resulting in a cracked transfercase housing! Length of shank is 15mm. Threads are 8×1.25. Hex size is 12mm. Sold in packs of 4.