Services

🔋 Dual Battery & 12 V Power Systems

Get reliable off-grid power with a full Redarc dual battery setup—smart battery isolators, DC-DC chargers, battery monitors and solar-ready options. Ideal for weekend freedom, workdays, road trips and chill camping. Professionally installed in-house, NZ-approved and warranty-backed.

SEO & social cues:
Keywords: dual battery NZ, Redarc dual battery install, off-grid power NZ, 4x4 camping battery
Appeals: Ready-to-go setups, no-hassle installs, weekend escapes

đźšš Tow Bar & Electric Brake Control

Tow smarter, not harder. Heavy-duty tow bars fitted in-house with the Redarc Tow-Pro Elite electric brake controller—easy to use, NZ-compliant, safe for trailers, boats, caravans and DIY builds.

SEO & social cues:
Keywords: tow bar install NZ, Redarc Tow‑Pro Elite NZ, electric brake controller NZ
Appeals: Peace of mind, safe towing, looks professional on video pics/reels

⚙️ Driveline & Differential Upgrades

Level up your traction. We install HF locker diffs, gear ratio upgrades, rugged CV joints and extended breathers—great for overlanding, daily driving and outdoor adventures. Strong, reliable builds with minimal questions asked.

SEO & social cues:
Keywords: diff lockers NZ, HF locker install, gear ratio upgrade NZ, driveline kiwi 4x4
Appeals: Confidence in tough terrain, ready for snow, sand, or Mavora Lakes

🧼 Intake Manifold Deep Clean

Boost your diesel’s punch. Carbon buildup in diesels kills performance and fuel economy. At AJF, we strip the intake manifold, replace all gaskets and do a full clean—restoring smooth power, better MPG, and prepping for any upgrades.

SEO & social cues:
Keywords: diesel intake clean NZ, manifold gasket replacement, diesel tune ready
Appeals: Cleaner, stronger engines; more power for hunting, fishing, weekend rides

âś… Emissions Checks & LVV Certification

Fully legal, fully covered. AJF sorts emissions checks and full LVV certification with VTNZ—covering lift kits, engine swaps, gear changes and more. We do the paperwork and get you street-legal without stress.

SEO & social cues:
Keywords: LVV certification NZ, VTNZ emissions, 4x4 legal mods NZ, pre-registration check
Appeals: Worry-free compliance, no unexpected fails, ready for WOF

Why you'll love AJF 4x4:

  • Zero stress installs with premium Redarc gear

  • Strong & simple drivetrain upgrades with HF lockers

  • Full deep-clean & gasket replacement—no spray nonsense

  • End-to-end support so you stay road-legal

  • Fast & friendly service for Kiwi adventures, tradie days, festival runs

Take action now

Got a ute or 4x4? Ready to own your weekend?
DM us or click “Book Now” — AJF 4x4 gets you setup and on the road, pronto.