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The ROC LS8319 Parabolic Leaf Spring Pack is designed for owners of light commercial vehicles, such as Mercedes-Benz and VW models, looking to restore or improve suspension reliability. These springs offer a significant benefit in handling by utilizing a parabolic design that reduces internal friction and overall weight, providing a smoother ride than traditional multi-leaf setups. A key caveat to consider is that these springs must be replaced in axle pairs to maintain balanced handling and vehicle safety, requiring professional installation tools and adherence to specific torque requirements.
| Model Part Number | LS8319 |
|---|---|
| Brand | ROC |
No, you must replace leaf springs in axle pairs to ensure the vehicle remains level and handles safely.
It uses fewer, tapered leaves to reduce internal friction and weight while providing a more compliant, comfortable ride.
The LS8319 is designed for specific Mercedes-Benz and VW light commercial vehicle applications; please verify your vehicle's specific chassis requirements.
Generally, no. Parabolic springs are designed for low friction, and applying grease can attract dirt, which may accelerate wear.
Always refer to the specific vehicle repair manual for the correct torque values, as these vary by model.
Yes, all ROC leaf springs are manufactured to OEM specifications within an ISO9001-certified environment.
Verify that both sides of the axle have the same spring part number installed and check that U-bolts are tightened to the identical torque spec.
Inspect the leaf tips and mounting points for dry friction or debris; ensure all bushings are correctly seated and lubricated if specified by the vehicle manual.
Check if the vehicle is being consistently overloaded beyond the manufacturer's specified Gross Vehicle Weight Rating (GVWR).
Installation of the LS8319 must be performed by a qualified technician following your specific vehicle's repair manual. Always replace leaf springs in axle pairs (left and right) to prevent uneven vehicle height or unpredictable handling. Use a calibrated torque wrench for all U-bolts to meet manufacturer specifications, as incorrect torque can lead to premature failure or movement of the spring pack. Regular maintenance includes periodic visual inspections of the leaf tips and bushings for signs of excessive wear or road debris buildup. Avoid using harsh chemical cleaners; a simple power wash or wipe-down is sufficient to keep the protective coating intact.
