Dorman 929-913 Severe Heavy Duty Coil Spring Upgrade - 70 Percent Increased Load Handling
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This pair of extra-heavy-duty coil springs is designed to provide a 70% increase in load handling capability over the vehicle's nominal spring rate, and offer an easy upgrade for vehicles used in continuous heavy hauling conditions. Custom-engineered to improve ride quality, reduce driver fatigue, and improve handling, they're an ideal replacement for coil springs on many pickup trucks, SUVs, RVs, plow trucks, vans and more. Prefer upgrading to coil springs that aren't as stiff? Check out the lighter version of this spring set that provides a 35% increase in load handling capability over your truck's nominal spring rate.
- Upgraded spring rate - this pair of extra-heavy-duty coil springs is designed to provide a 70% increase in load handling capability over the nominal spring rate of specified vehicles
- Ideal solution - precision-engineered to improve ride quality, reduce driver fatigue and improve handling on many pickup trucks, SUVs, RVs, plow trucks, vans and more
- Durable construction - manufactured from quality steel to help ensure reliable performance and to replace or upgrade worn or damaged coil springs
- Lighter-duty version available - for less stiffness, upgrade to our version of this spring set that provides a 35% increase in load handling capability over the vehicle's nominal spring rate
Specifications
| Material | 5160H Alloy |
| Color | Metallic Grey |
| Height | 16 IN |
| Spring Type | Coil Spring |
| Finish | Powder Coat |
| Hex Size | 0.687 IN |
| Grade | XHD |
| OE Lift | +3.0 in |
| Package Contents | 2 Coil Springs |
| Spring Rate Type | Constant |
| Country of Origin | Canada |
Warranty: Limited
Please check the product description for the manufacturer’s application details, or ask a specialist — we’ll confirm whether it fits your vehicle before you buy.
Shipping Information
Free shipping is available for eligible orders.
Shipping: Free to the USA.
Orders are processed during normal business days. Delivery dates may vary by carrier and destination.
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