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Available nowUnlimited 4800
Davimac IFSUltra4 platform
A mid-engine, CAD-designed Ultra4 chassis with Davimac's own billet IFS. Buy it as a front-end kit, a bare chassis or a roller.

- 23"Front travel
- 28"Rear travel
- 120"Wheelbase
- 90"Overall width
- 200LFuel capacity
- 42"Max tyre
The platform
Built around the front end
The engine sits mid-chassis to centralise mass, for a more balanced, controlled car across all terrain. Up front, the super narrow diff gives the IFS 23" of travel. At the rear, a braced Spidertrax 4" housing on 7075 trailing arms and lower links gives 28".

Specifications
Platform specifications
- Class
- Ultra4, Unlimited 4800
- Layout
- Mid-engine
- Chassis
- 2" TIG-welded 4130 chromoly, CAD designed
- Front suspension
- Davimac IFS, 23" travel
- Rear suspension
- Spidertrax 4" housing, 7075 trailing arms and lower links, 28" travel
- Wheelbase
- 120"
- Overall width
- 90"
- Front diff
- Davimac Super Narrow 10", billet 7075 housing
- Steering
- Howe TT rack with servo
- Fuel
- Custom Pyrotect 200 L cell
- Engine
- Suits LS platform
- Transmission
- Suits 4L80e or TH400
- Tyres
- Up to 42"
- Panels
- Aluminium, Dzus fastened
These are platform specifications. What comes with your car depends on the stage you choose; check each stage below.
Stages
What's included
Pick a stage to see exactly what you get and what you'll need to supply.
Stage 4 of 4
IFS Advanced Roller
Our most complete stage. Add your drivetrain, shocks and tyres. It's an advanced roller, not a complete race car.
Included
- 2" TIG-welded 4130 chassis with the IFS bulkhead kit
- Davimac Super Narrow 10" 3rd member
- 7075 uprights, upper A-arms and tie rods; TIG-welded 4130 lower A-arms
- 300M 30 series 56 spline outer stub axles and 40 spline 300M axles
- Howe TT steering rack, steering servo, wheel, quick release and column
- TIG-welded Spidertrax 4" housing with Pro Series unit bearings
- 7075 trailing arms and rear lower links
- FK rod ends and bearings, 12.9 hardware
- Aluminium interior and exterior panels, TIG-welded tabs and Dzus fasteners
- Seat mounts and fabricated brake pedal
- 35 spline sway bar with 7075 arms
- Biz400 engine and transmission guard, 5/8" HDPE skid plates
- Custom Pyrotect 200 L fuel cell with stainless straps
- Stainless exhaust to suit LS
- Mounts for transfer case, battery, winch, radiator, limit straps, steering reservoir and accelerator
You supply / not included
- LS platform engine
- 4L80e or TH400 transmission
- SCS transfer case
- Gearworks HP10 rear 3rd
- 2.5 coilovers and bump stops
- 3.5 front and 4.0 rear bypasses
- Tyres (up to 42")
Inclusions as listed by Dialed Off-Road. Pricing and options on enquiry.
Next step
Enquire about a build
Tell us what you're after. Your enquiry comes to Davimac and is passed straight to Mitch at Dialed Off-Road, who will be in touch to talk through stages, options and pricing.
Sales and builds
Mitch Thorpe, Dialed Off-Road
Our partners
Become a partner →Backed by Australian off-road
The businesses behind the Davimac IFS program, on the car, in the pits and in the workshop.
Principal partners
Supporting partners
