RAM ProMaster Helper Springs & Kits | Lowland Suspension

RAM ProMaster Helper Spring kits

MAD helper spring kits for ProMaster 1500/2500/3500 (2014–present, FWD). Sharper stance and better control under real payloads. TÜV-approved.

HV-138140

Rear · Progressive
Mixed load Install ≈ 45 min Not for motorhomes

Progressive rear helper springs for everyday loads—no air lines, low maintenance.

$475
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HV-138190

Rear · Heavy-Duty
Min. load ≈ 350 kg (≈ 770 lb) Install ≈ 45 min Campers OK

Constant-load tuning for service vans and camper builds.

$519
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SD-138190

Rear · Springs + KONI FSD
≈ 350 kg class Install ≈ 60 min Comfort & control

MAD springs with KONI FSD damping for calmer ride on constant loads.

$869
Spring PDF Get a Quote

HV-138200

Rear · Extra HD
Min. load ≈ 750 kg (≈ 1,650 lb) Install ≈ 45 min Heavy conversions

Extra heavy-duty rear support for maximum constant payloads.

$579
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SD-138200

Rear · Springs + KONI FSD
≈ 750 kg class Install ≈ 60 min Max-load comfort

MAD springs with KONI FSD for composed ride under high constant loads.

$899
Spring PDF Get a Quote

HV-138158

Front · +35 mm
Spring compressors required Install ≈ 120 min

Reinforced front coils for nose weight (camper gear, accessories).

$599
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SD-138158

Front · +35 mm · KONI FSD
Alignment recommended Install ≈ 120 min

Front springs + KONI FSD for sharper steering and control under nose weight.

$1450
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ProMaster kits at a glance

SKU Axle Load / Lift Notes Install Price Docs
HV-138140 Rear Progressive (mixed) Standard duty; not for motorhomes ≈ 45 min $475 PDF
HV-138190 Rear Constant-load Min. preload ≈ 350 kg (≈ 770 lb) ≈ 45 min $519 PDF
SD-138190 Rear Springs + KONI FSD For ≈ 350 kg class ≈ 60 min $869 Spring PDF
HV-138200 Rear Constant-load (Extra HD) Min. preload ≈ 750 kg (≈ 1,650 lb) ≈ 45 min $579 PDF
SD-138200 Rear Springs + KONI FSD For ≈ 750 kg class ≈ 60 min $899 Spring PDF
HV-138158 Front Lift ≈ +35 mm (≈ 1.38") Reinforced coils; compressors required ≈ 120 min $599 PDF
SD-138158 Front Lift ≈ +35 mm + KONI FSD Alignment recommended ≈ 120 min $1450 PDF

Prices include tax and local import fees; exclude fitting. KONI FSD shock instructions are included in the kit box.