Toyota 8.0 Clamshell IFS front gears and install kits for the new Toyota FJ Cruiser, 05+ Toyota Tacomas and 4Runners. The Toyota 8.0 Clamshell IFS front gears and install kits are available in 4.56 and 4.88 gear ratios. The 4.56 gears are available in a thick cut gear to allow you to retain your factory 3.73 and down carrier. These are high quality ring and pinion sets that will alow you to run bigger tires on your Toyota FJ Cruiser, 05+ Toyota Tacoma and 4Runners.