FilthyMotorsports.com

Gear Ratio Recommendations Tire Size Highway OEM Towing 29" to 33" 4.30 4.56 4.88 34" to 36" 4.88 5.29 5.71 37" to 39" 5.29 5.71 5.71 Gear Ratio Calculator Engine RPM Calculator

Locker Recommendations Toyota Tacoma trucks feature an IFS front differential and solid rear axle. For typical street use, we highly recommend an Eaton TrueTrac for the rear. For more aggressive off-road use we recommend Eaton Elockers front and rear.

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Toyota Tacoma Gen. 1 (1995 - 2004)

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The following gears, lockers and install kits are available for 1995 to 2004 Toyota Tacoma 2wd and 4x4 trucks. All Gen. 1 Tacoma 4x4 models came with the reverse rotation Toyota 7.5" IFS front differential. All Tacomas with a factory rear electric locker came with the Toyota 8" TV6 rear axle and all 4x4 Tacoma trucks without the electric locker were built with the Toyota 8.4" rear axle. 2wd Tacoma trucks came with either the standard Toyota 7.5" rear axle or the larger Toyota 8.4" axle.

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Front: Toyota 7.5" IFS Clamshell 27 Spline / CV Shafts 50mm Bearing Journals Reverse Rotation Eaton Elocker (14218-1) 50mm bearing journals. (86-04 4Runners 40mm).

Rear: Toyota 8.4" (Open) All Tacoma 4x4 without OEM Locker 30 Spline / Standard Rotation Eaton TrueTrac (913A541) Eaton Elocker Toyota 8.4" and 7.5" axles look identical. Rear: Toyota 8" TV6 (Elocker) All Tacoma 4x4 with OEM Locker 30 Spline / Standard Rotation OEM Locker Only Rear: Toyota 7.5" (2wd Only) Most Tacoma 2wd Trucks 27 Spline / Standard Rotation Only found on 2wd trucks. 2wd trucks used all three axles. 8.4" and 7.5" axles look identical.

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Toyota Tacoma Gen. 2 (2005 - 2015)

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The following gears, lockers and install kits are available for 2005 to 2015 Toyota Tacoma 2wd and 4x4 trucks. All Gen. 2 Tacoma 4x4 models featured the reverse rotation Toyota 8" IFS clamshell front differential. All Tacomas with a factory rear electric locker came with the Toyota 8" TV6 rear axle while open differential trucks have the Toyota 8.4" rear axle.

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Front: Toyota 8" IFS Clamshell 30 Spline / CV Shafts 3.73 / 3.90 Carrier Break Clamshell Housing Reverse Rotation Eaton Elocker (3.73 -) Eaton Elocker (3.91 +)

Rear: Toyota 8.4" (Open) • All Tacomas without OEM Locker 30 Spline / Standard Rotation Eaton TrueTrac (913A541) Eaton Elocker Toyota 8.4" and 7.5" axles look identical. Rear: Toyota 8" TV6 (Elocker) All Tacomas with OEM Locker 30 Spline / Standard Rotation OEM Locker Only

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Toyota Tacoma Gen. 3 (2016 - 2023)

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The following gears, lockers and install kits are available for 2016 to 2023 Toyota Tacoma 2wd and 4x4 trucks. All Gen. 3 Tacoma 4x4 models featured the reverse rotation Toyota 8" IFS clamshell front differential. All Tacomas with a factory rear electric locker or a manual transmission will have the new Toyota 8.75" rear axle, while automatic transmission trucks without a factory rear locker have the Toyota 8" V6 rear axle.

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Front: Toyota 8" IFS Clamshell 30 Spline / CV Shafts 3.73 / 3.90 Carrier Break Clamshell Housing Reverse Rotation Eaton Elocker (3.73 -) Eaton Elocker (3.91 +)

Rear Toyota 8.75" All Tacomas with OEM Locker All Manual Trans. Tacomas 34 Spl. Pinon / 32 Spl. Axles Standard Rotation Eaton Elocker (14235-1) Rear Toyota 8" TV6 Automatic Trans. w/ Open Diff 30 Spline / Standard Rotation Eaton TrueTrac (913A610)