2014-2026 Promaster 2500/3500 Suspension Bump Stop (SSR-313-54) upper-ball-joint 4" between the tank and

4" between the tank and body(where the side steps mount)

while the Fox components deliver the damping control needed for aggressive driving without sacrificing ride quality during everyday use

Cooler fluid lubricates better

Black anodic coating and Teflon powder-coat finish provide excellent resistance to corrosion and road salt

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2014-2026 Promaster 2500/3500 Suspension Bump Stop (SSR-313-54) upper-ball-joint 4" between the tank andSumoSprings replace your Promaster's factory rear bump stops to add spring rate exactly when you need it. They contact the rear axle sooner to firm up the suspension yet still compress to factory bump stop height, so suspension travel is never reduced. The result is less sway, better control in high winds, reduced sag under load and a more comfortable ride as the suspension cycles. Recommended for vans that haul heavy loads or tow, and they pair great