Formula 4x4 F4R adjustable remote-reservoir front suspension kit for Toyota HiLux N90 GUN226R/GUN227R models from 2025 onwards. The package combines two front F4R dampers with the supporting geometry-correction components required for a 50–75 mm front lift.

Key features

• Adjustable 50–75 mm front lift range
• Two Formula 4x4 F4R remote-reservoir front shock absorbers
• Eight low-speed compression settings
• Six high-speed compression settings
• Twelve rebound settings
• 22 mm shafts and 7075 aluminium construction
• Rebuildable damper design
• Open length: 570 mm
• Closed length: 456 mm
• Includes differential-drop and fixed-offset upper-control-arm kits

Fitment

Fits Toyota HiLux N90 GUN226R/GUN227R 4WD models from 2025 onwards. Confirm engine, variant, wheel alignment requirements and permanent accessory load before ordering. Professional installation and a post-fit wheel alignment are required.

Warranty

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

SKU: 91036K EAN: 91036K Position: Front Lift range: 50–75 mm / 2–3 inch Open length: 570 mm Closed length: 456 mm Compression adjustment: 8 low-speed and 6 high-speed settings Rebound adjustment: 12 settings Shaft: 22 mm Body construction: 7075 aluminium Damper: rebuildable Sub-brand: Formula 4x4 F4R

2 x Formula 4x4 F4R 91036 front remote-reservoir shock absorbers 1 x SuperPro TRC9023 differential-drop kit 1 x SuperPro TRC6471 fixed-offset upper-control-arm kit

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