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Chase Bays Clutch Master Cylinder Adapter - Lexus IS300


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This product is designed for those who need or want to upgrade to a Wilwood 0.625" (5/8) or 0.75" (3/4 Larger Bore) Clutch Master Cylinder on their Toyota chassis without cutting or drilling their firewall. Some transmission swaps require a larger bore clutch master cylinder and since there isn't a larger Toyota one you can swap in, this is the best method. Additionally, this product is much more aesthetically pleasing than the ugly Toyota cylinder and matches our Brake Booster Eliminator if you have it.

You can get it with its own Billet Chase Bays Reservoir or a Clutch Feed Adapter hose to share fluid with the brake reservoir, like BMW and Mazda does stock. The black powder coated plate is made of 0.125" (1/8 or 3.17mm) steel and has the master cylinder mounting studs pressed and welded in. It uses the same thread type as stock, which is M8x1.25.

Toyota Transmission, select the 0.625" (5/8 bore)
GM LS T56 / TR6060 or Dogbox, select the 0.75" (3/4 Bore)