The AutoSports Engineering clutch master cylinder upgrade kit gives an IS300 or Altezza a purpose-built firewall mount, extended clevis, and 3AN outlet for a more serious hydraulic clutch setup.
Fitment Information
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Lexus IS300 XE10, manual transmission
- IS300 (2001, 2002, 2003, 2004, 2005)
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Toyota Altezza XE10, manual transmission
- Altezza (1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005)
Fitment Note
Select the LHD Tilton option for a left-hand-drive Lexus IS300 or the RHD Wilwood option for a right-hand-drive Toyota Altezza. This is a manual-transmission hydraulic-clutch upgrade and does not apply to automatic-transmission vehicles.
Options
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Location
- LHD Tilton
- RHD Wilwood
-
Bore Size
- 3/4 inch
- 7/8 inch
-
Clutch Line
- Choose kit only
- Choose kit with clutch line
Specs and Features
- AutoSports Engineering clutch master cylinder upgrade kit
- Manufacturer part number: 14140-1
- Billet firewall bracket
- Extended clevis
- 3AN outlet fitting
- Configurable for LHD Tilton or RHD Wilwood master-cylinder layout
- Available in 3/4-inch and 7/8-inch bore sizes
Product Description
The ASE IS300 and Altezza clutch master cylinder upgrade kit is for manual-transmission builds that need a cleaner, more adaptable hydraulic-clutch setup than a basic factory replacement. The billet firewall bracket, extended clevis, and 3AN outlet fitting are designed to put a performance-oriented master-cylinder arrangement into the XE10 chassis.
Choose the layout that matches the vehicle’s steering position: Tilton for left-hand-drive IS300 builds and Wilwood for right-hand-drive Altezzas. Bore size and clutch-line selection let you match the kit to the rest of the hydraulic system instead of treating every clutch, release bearing, and pedal setup as the same.
Before You Buy
Confirm that the car is manual transmission and choose the correct LHD or RHD configuration before ordering. Bore size affects the hydraulic system’s operation, so select 3/4-inch or 7/8-inch based on the clutch and release setup being used. If you are installing an aftermarket transmission, hydraulic release bearing, or custom clutch line, verify all fittings and travel requirements before purchase.
Related Upgrades for Your IS300
- ACT Heavy Duty street clutch kit for Lexus IS300 - A sprung-disc clutch option for a street-driven 2001-2005 manual IS300.
- ACT Xtreme Duty performance street clutch kit for Lexus IS300 - A higher-capacity sprung-disc option for IS300 owners planning more demanding use.
About AutoSports Engineering
AutoSports Engineering designs drivetrain, clutch-hydraulic, and conversion hardware for import performance builds. Its parts are developed around real component geometry to help custom drivetrain combinations fit and function cleanly.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.More in this category
Lexus IS300 Parts
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