A clutch upgrade is needed when added torque from tuning and supporting parts makes the factory clutch slip, which shows up as engine speed rising without matching acceleration under full throttle in the higher gears. Buying a clutch rated for your planned power and fuel avoids doing the job twice.

For the manual GR Corolla, we carry the XClutch GR Corolla Stage 1 Solid Organic Clutch Disc, which retains the dual mass flywheel, and XClutch kits with flywheel, along with Clutch Masters FX series and 725 twin disc kits, ACT kits, the Exedy UF-EVO Stage 1 Clutch Kit and the OEM Toyota GR Corolla Clutch Kit. Higher capacity and race discs generally trade some street drivability for holding power.

A stiffer pitch stop mount reduces engine movement, which can make shifts and throttle response feel more direct, usually with some added vibration. Options on our GR Corolla list include pitch stop mounts from Verus Engineering, Cusco, Racer X Fabrication, SXTH Element and Torque Solution, plus the Torque Solution GR Corolla Engine / Transmission Mount Kit.

For manual cars, short shifters from Billetworkz, Racer X Fabrication and Torque Solution, shifter cable bushings from DC Sports, Racer X Fabrication and Torque Solution, and lightweight flywheels from ACT and Clutch Masters change how the car shifts and revs more than its peak numbers. We also carry the OS Giken GR Corolla Super Lock LSD; check its product page for fitment. Fresh gear oil in the transmission, transfer case and rear differential is an easy addition to any of these jobs.

Every product page lists the model years, trims, and drivetrain configurations the part is built for, and every collection on this site is organized by platform. If your vehicle carries other modifications, or you are between model years or trims, send us your year, trim, and current setup before ordering and we will confirm fitment.

Orders are processed within one to five business days, excluding weekends, holidays, pre-orders, and backordered items. Orders over $199 ship free within the continental United States by ground service, excluding freight items. We also ship to Canada, Australia, and non-continental US destinations, where import duties and taxes are the customer's responsibility.