HKS Hipermax R Coilover Full Kit - Toyota GR Corolla GZEA14H 2023-2025

HIPERMAX R sits at the top of the HKS coilover range, supplied as a full kit covering all four corners of the G16E-GTS powered GZEA14H GR Corolla. The front is an inverted damper and the rear separates damper and spring, both built without a base valve, and pillow ball upper mounts with 30 step damping adjustment are fitted at each end. Spring rates are 14.0 kgf/mm front and 20.0 kgf/mm rear, and spring preload is adjustable for more aggressive settings. Ride height adjusts from +16 mm to -37 mm at the front and 0 mm to -79 mm at the rear against stock. Camber is adjustable at the front through the pillow upper mount.

Specifications

This part fits:

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy