Formula 4x4 F4R 3571 kg GVM upgrade package for Toyota HiLux N90 GUN226R/GUN227R models from 2025 onwards. This complete package combines adjustable remote-reservoir F4R dampers, heavy-duty rear leaf springs, suspension hardware, load-control equipment, compliance components and geometry correction.

Key features

• 3571 kg upgraded GVM when correctly installed, engineered and certified
• Formula 4x4 F4R front and rear remote-reservoir suspension
• Approximately 40 mm preset front and rear lift
• Two FLS-105 rear leaf springs
• Four replacement U-bolts
• Rear shackle, pin and bush kit
• Brake-line spacer and differential-drop components
• Fixed-offset upper-control-arm kit
• Load-control system and compliance hardware

Certification and fitment

GVM upgrades require professional installation, engineering approval and certification. This kit is supplied through certified dealers and must be fitted by an approved Fulcrum workshop. Select the vehicle registration status before adding to cart so the correct certification pathway and price are applied.

Warranty

Formula 4x4 F4R GVM upgrade kit: 5 years, subject to manufacturer terms.

Downloads

F4R Installation Sheet (PDF)
Lift Kit Installation Sheet (PDF)

SKU: HILUX-GVM-F4R-N90 EAN: HILUX-GVM-F4R-N90 Upgraded GVM: 3571 kg Preset lift: approximately 40 mm front and rear Front and rear suspension: Formula 4x4 F4R remote-reservoir dampers Rear springs: FLS-105 leaf springs Components per product: 1 complete kit Certification: pre-registration or post-registration pathway selected on product page

1 x Formula 4x4 F4R 91036 front kit 1 x Formula 4x4 F4R 92008 rear kit 2 x FLS-105 rear leaf springs 4 x FUB-006 U-bolts 1 x KIT219SK rear shackle, pin and bush kit 1 x SPF4855K brake-line spacer kit 1 x TRC0088 differential-drop kit 1 x HILUXPLACARD compliance placard 1 x 77ACM-3AMP module 1 x 77LC-LOOM wiring loom 1 x HILUXLOADCL load-control kit 1 x GVM document kit 1 x TRC6471 fixed-offset upper-control-arm kit

Warranty: Formula 4x4 F4R GVM upgrade kit 5 years, subject to manufacturer terms.