Drivetrain› Clutches and Components

Chase Bays

Chase Bays 99-05 Lexus IS300 Stock Bore 5/8 Clutch Master Cylinder Adapter & DBBE Reservoir Kit

$349.99

SKU: C02A CB-MK-CMCADAPT-625DUALRES

In Stock
In Stock
Ships by Jun 19
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Chase Bays Clutch Master Cylinder Adapter is designed to replace the OEM clutch master cylinder, allowing for improved hydraulic fluid transfer in manual transmissions. This adapter facilitates an upgrade to a Tilton 0.625" (5/8) or 0.75" (3/4 Larger Bore) Clutch Master Cylinder on the listed Toyota chassis without requiring firewall modifications. It is particularly useful for transmission swaps that necessitate a larger bore clutch master cylinder. The firewall plate is constructed from 0.125" (1/8 or 3.17mm) steel with pressed and welded M8x1.25 threaded studs. For Toyota Transmissions, the 0.625" (5/8 bore) is recommended, while for GM LS T56 / TR6060 or Dogbox transmissions, the 0.75" (3/4 Bore) is recommended. This adapter is not compatible with stock clutch lines and requires a Chase Bays Clutch Line.

Fitment

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Specifications

BrandChase Bays
Part NumberC02A CB-MK-CMCADAPT-625DUALRES

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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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