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- Steering & Suspension
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- Hellwig Load Pro-Series LP-25 and LP-35 Helper Spring Kits
Hellwig LP-25 Progressive Rate Load Leveler Helper Springs
207-2527

LP-25 Progressive Rate Load Levelers
Specifications:
The Hellwig Load Pro-Series LP-25 and LP-35 Helper Spring Kits set the standard for all other aftermarket helper springs and are the true workhorse of the Hellwig Spring line. Manufactured with heat-treated ASTM 5160 alloy spring steel, these units increase your vehicle's level-load carrying capacity up to the manufacturer's GVWR (Gross Vehicle Weight Rating). They feature a simple "Set it and forget it " bolt-on design using common hand tools, providing both ease of installation and hassle-free use.The Original Load Levelers
Does Hellwig 2527 fit your vehicle?
2003 CHEVROLET SILVERADO 2500 HD
- Liter: 6
- SubModel: LT
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 2500 lbs. Capacity; 3 Leaf Stack; Use w/43 in. Or Longer Base Leaf; Requires Mounting Kit PN[25250 Or 25300];
- CUI: 364
- Engine Type: V8 ( 6L / 364 )
- Engine Vin: U
2003 GMC SIERRA 2500 HD
- Liter: 6
- SubModel: SLE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 2500 lbs. Capacity; 3 Leaf Stack; Use w/43 in. Or Longer Base Leaf; Requires Mounting Kit PN[25250 Or 25300];
- CUI: 364
- Engine Type: V8 ( 6L / 364 )
- Engine Vin: U
2004 CHEVROLET SILVERADO 3500
- Liter: 6.6
- SubModel: LT
- Aspiration: TURBOCHARGED
- Fitment Notes: 2500 lbs. Capacity; 3 Leaf Stack; Use w/43 in. Or Longer Base Leaf; Requires Mounting Kit PN[25250 Or 25300];; Do Not Use w/ Factory Overload Contact Springs
- CUI: 403
- Engine Type: V8 ( 6.6L / 403 )
- Engine Vin: 1
2006 DODGE RAM 2500
- Liter: 4.7
- SubModel: SLT
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Up to 2500 lbs load assist; 3 Leaf Stack; 2 and 4 wheel drive; Requires Mounting Kit PN[25250 Or 25300]Sold Separately; Do Not Use with Factory Overload Contact Springs
- CUI: 287
- Engine Type: V8 ( 4.7L / 287 )
- Engine Vin: -
2003 DODGE RAM 1500
- Liter: 5.7
- SubModel: LARAMIE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Up to 2500 lbs. Load Assist; 3 Leaf Stack; Requires Mounting Kit PN[25250 Or 25300]; Sold Separately; 2 and 4 wheel drive, exect Mega Cag
- CUI: 345
- Engine Type: V8 ( 5.7L / 345 )
- Engine Vin: D
2005 CHEVROLET SILVERADO 3500
- Liter: 6.6
- SubModel: LS
- Aspiration: TURBOCHARGED
- Fitment Notes: 2500 lbs. Capacity; 3 Leaf Stack; Use w/43 in. Or Longer Base Leaf; Requires Mounting Kit PN[25250 Or 25300];; Do Not Use w/ Factory Overload Contact Springs
- CUI: 403
- Engine Type: V8 ( 6.6L / 403 )
- Engine Vin: 2
2012 RAM 3500
- Liter: 5.7
- SubModel: SLT
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Up to 2500 lbs. load assist; 3 Leaf Stack; 2 and 4 wheel drive; Pickup and Dually; Requires Mounting Kit PN[25250 Or 25300] sold separtately; Must Remove factory contact helper spring or use 9705
- CUI: 345
- Engine Type: V8 ( 5.7L / 345 )
- Engine Vin: T
2004 GMC SIERRA 3500
- Liter: 6.6
- SubModel: SLE
- Aspiration: TURBOCHARGED
- Fitment Notes: 2500 lbs. Capacity; 3 Leaf Stack; Use w/43 in. Or Longer Base Leaf; Requires Mounting Kit PN[25250 Or 25300]; Do Not Use w/ Factory Overload Contact Springs
- CUI: 403
- Engine Type: V8 ( 6.6L / 403 )
- Engine Vin: 2
2004 CHEVROLET SILVERADO 3500
- Liter: 8.1
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 2500 lbs. Capacity; 3 Leaf Stack; Use w/43 in. Or Longer Base Leaf; Requires Mounting Kit PN[25250 Or 25300];; Do Not Use w/ Factory Overload Contact Springs
- CUI: 496
- Engine Type: V8 ( 8.1L / 496 )
- Engine Vin: G
2003 CHEVROLET SILVERADO 2500 HD
- Liter: 6
- SubModel: WT
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 2500 lbs. Capacity; 3 Leaf Stack; Use w/43 in. Or Longer Base Leaf; Requires Mounting Kit PN[25250 Or 25300];
- CUI: 364
- Engine Type: V8 ( 6L / 364 )
- Engine Vin: U
2006 CHEVROLET SILVERADO 3500
- Liter: 6.6
- SubModel: LT
- Aspiration: TURBOCHARGED
- Fitment Notes: 2500 lbs. Capacity; 3 Leaf Stack; Use w/43 in. Or Longer Base Leaf; Requires Mounting Kit PN[25250 Or 25300]; Do Not Use w/ Factory Overload Contact Springs
- CUI: 403
- Engine Type: V8 ( 6.6L / 403 )
- Engine Vin: 2
2004 GMC SIERRA 3500
- Liter: 6
- SubModel: WT
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: 2500 lbs. Capacity; 3 Leaf Stack; Use w/43 in. Or Longer Base Leaf; Requires Mounting Kit PN[25250 Or 25300];; Do Not Use w/ Factory Overload Contact Springs
- CUI: 364
- Engine Type: V8 ( 6L / 364 )
- Engine Vin: U
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.