ATH

– Overland Van

Van Upfitting

Take your adventure van to the next level with ATH (All Time High) – your premier destination for high-performance van upfitting. Whether you’re looking for off-road capability, rugged durability, or enhanced storage solutions, we offer the best in aftermarket upgrades to elevate your van’s performance and style.

Premium Brands, Unmatched Performance



We’ve partnered with industry-leading brands to provide top-tier components for your van, including:

Agile Offroad – Engineered upgrades for stability and handling
Owl Vans – Storage boxes, ladders, bumpers and racks built for adventure
Mojab Off-Road Gear – Rugged, trail-ready accessories
Reika Rims – High-strength wheels for off-road durability
King Off-Road Racing Shocks – Superior suspension performance
Leitner Designs – Modular storage and cargo solutions
Eibach – Performance suspension systems
Baja Designs – High-output lighting for any terrain
Braid Wheels – Lightweight, ultra-strong wheels for extreme conditions
Terra X Innovations – Cutting-edge off-road enhancements.

Built for the Journey Ahead

Whether you’re overlanding, camping, or pushing the limits off-road, ATH ensures your van is fully equipped for the challenge. Our expert team will help you customize your build to match your needs, from wheels and suspension to lighting and storage.

Professional Installation

Quality Components

Adventure-Ready Builds

Get Your Van Upfitted Today

Ready to transform your van? Contact us to discuss your build and get started with ATH – Overland Van.

All Time High

Gold Package:

  • Agile Rip Kit: Full Front & Rear Suspension Upgrade
    with Upper/Lower Shear Brackets
  • Agile Fox 2.5 Rear Struts
  • Bilstein B6 Front Shocks
  • Agile Auxiliary Front Shocks
  • Agile Coil Assist with Cover Agile Rear Leaf Spring Kit
  • Grey Fox 2.0 Performance Series
  • Drive Shaft Spacer Kit & Shock Covers
  • Reika Sprint Super 17″ Black Wheels (5)
  • Nitto Grappler LT295/70R17 Tires (5)
  • Agile Logan Labs No Rub Mini Fenders
  • Custom All Time High Identity Dual Wrap

For over 40 years, Giant RV has been Southern California’s top choice RV Dealer, proudly serving Los Angeles, Orange, Riverside, San Bernardino, and San Diego counties. With four locations and 40 acres of inventory, we’re ready to help you find the perfect RV at a price you’ll love. Plus, with hassle-free financing, great deals on parts and service, and special offers, there’s never been a better time to get started on your RV adventure!

Giant RV offers RVs and campers for sale from top brands like Alliance RV, Coachmen, Fleetwood RV, Forest River, Winnebago, and more. Whether you’re searching for a new or used diesel pusher, Class A, B, or C motorhome, toy hauler, travel trailer, or fifth wheel, you’ll find it here. As California’s premier RV dealer, we’re confident you’ll discover the perfect fit for your next adventure.

Overland Van
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