RAM ProMaster Helper Springs
MAD helper springs for ProMaster 1500/2500/3500 (2014–present, FWD). Sharper stance and better control under real payload. No air lines, no compressors.
Popular ProMaster kits
Quick picks most customers choose. For the full list, use the Kits page.
Fitment & compatibility
- Vehicle: RAM ProMaster 1500/2500/3500, 2014–present (Fiat Ducato X250/X290 platform)
- Drivetrain: FWD. Rear kits mount next to the main leaf; front kits replace coils.
- Body: Cargo, window, passenger. (Raised 4×4 conversions: check with us.)
- Approval: TÜV part approval; fitting manual included with each kit.
Which kit do I need?
- Mixed load, daily driving: HV-138140 (progressive). Not for motorhomes.
- Constant ~350 kg (≈ 770 lb): HV-138190 or SD-138190 (with KONI FSD).
- Constant ~750 kg (≈ 1,650 lb): HV-138200 or SD-138200 (with KONI FSD).
- Heavy front accessories / camper nose weight: HV-138158 (+35 mm), or SD-138158 for added control.
Install overview
- Rear springs: ≈ 45 min (MAD); ≈ 60 min (springs + KONI). Support axle, remove lower shock bolts, seat helper springs next to main leaf, torque at ride height.
- Front springs: ≈ 120 min. Strut removal, spring compressors required; alignment recommended after install.
- Upgrades improve support and stability but do not change GVWR or tow ratings.
FAQ
Will helper springs change my GVWR or towing?
No. They improve support and control but do not alter manufacturer ratings.
Are KONI FSD shocks required?
No, but they pair well with constant-load builds for comfort and control (SD-kits).
Do I need an alignment?
Rear installs typically do not. Front spring installs should be followed by a wheel alignment.
