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Drivetrain› Differentials and Rear-End Components

Tomei

1.5-Way Limited-Slip Differential

$927.00 $801.00 Save $126.00

SKU: TC101B-TYTE1

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Tomei TC101B-TYTE1 is a 1.5-way limited-slip differential (LSD) designed for the Toyota 4A-G 16V engine.

This LSD features a PCD of 125mm, a disc diameter of 85mm, and a disc thickness of 6mm. It includes 8 ring gear bolts and has 30 serration teeth. The flange's inner diameter ranges from 5.5-6.0mm, with cam angles set at 50x20 degrees. The left and right side flanges each have 23 teeth, with genuine parts side flange part numbers 42311-12100.
Show original supplier description
The Tomei TC101B-TYTE1 is a 1.5-way limited-slip differential (LSD) specifically engineered for the TOYOTA 4A-G 16V engine in the TOYOTA 86 LEVIN/TRUENO models. This LSD kit offers a precise performance upgrade with detailed specifications including a PCD of 125mm, an 85mm disc diameter, and a 6mm disc thickness. It is designed to accommodate 8 ring gear bolts with a 125mm PCD and features 30 serration teeth. The flange inner diameter ranges from 5.5-6.0mm, and the cam angle is set at 50x20 degrees for optimized performance. Further specifications detail the left and right side flanges, both featuring 23 teeth and utilizing genuine parts side flange part number 42311-12100. The main body dimensions indicate a ring gear bolt size of Φ11.0 with a hole diameter of Φ11.3.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandTomei
Part NumberTC101B-TYTE1
CategoryDrivetrain

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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