Pro Series

Hellwig Pro Series Adjusting Suspension Stabilizers

  • 2500 lbs. Level Load Capacity
  • Progressive rate leaves do not effect ride
    when unloaded
  • Never needs adjusting
  • Simple bolt on installation
  • Load & Sway Control in one spring
  • Heavy duty plated hardware
  • Million mile warranty

Featuring

It’s patented bolt on design, “Silent Ride” polyurethane stability blocks, plated and powder coated components and easy to follow installation instructions make this the helper spring of choice for do-it-yourself and professionals alike. Manufactured with heat treated ASTM 5150 alloy spring steel in our California based facility, these units increase your vehicles level load carrying capacity up to the manufacturer’s Gross Vehicle Weight Rating. With its progressive rate design this helper spring system enables trucks and vans to carry loads with more control and stability. As your load increases this spring automatically increases its rate to resist sagging and tail dragging.

Easy to Use

Pro Series is packaged in one box which includes all the heavy duty hardware and installation instructions, this unit can be installed in a professional shop or in your own drive way. Simple installation using common hand tools make the Pro Series helper spring a popular and easy to use accessory to assist in all your Tow and Haul needs. Fine tune your vehicles leaf spring suspension to suit your particular needs by adjusting the heavy duty u-bolts provided.

If your tow and haul needs change,

Simply adjust the heavy duty u-bolts to suit the new requirement. Once installed and adjusted you are free to haul and or tow a multitude of equipment and commodities with greater control and stability. Manufactured with heat treated ASTM 5150 alloy spring steel in our California based facility, these units can increase your vehicles level load carrying capacity up to the manufacturer’s Gross Vehicle Weight Rating.

Heavy Duty Load Control Applications

Make
Year
Vehicle Type
Application
EZ-990
Pro-Series
LP-25
LP-35
Hellwig Air
Chevrolet/GMC63-72Full Size Pickup & SUVC10,C20 w/ Rear Leaf Springs991 (6)N/A2505 (8)N/A6400 (4)
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)25250
Chevrolet/GMC67-72Full Size Pickup & SUVK10,K20 Pickup and Suburban991 (6)619122510 (8)3510 (8)6400 (4)
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)2525025250
Chevrolet/GMC73-87Full Size Pickup & SUVC10,K10 Pickup991 (6)619122510 (8)3510 (8)6400 (4)
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)2525025250
Chevrolet/GMC88-98Full Size Pickup & SUVC&K 1500 Pickup985619122510 (8)3510 (8)6005 (4)
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)25250 25250
Chevrolet/GMC99-06Full Size Pickup & SUV1500 Silverado & Sierra 2WD P/U986619122510 (8)3510 (8)6012
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)2525025250
Chevrolet/GMC99-06Full Size Pickup & SUV1500 Silverado & Sierra 4WD P/U986619122515 (8)3515 (8)6012
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)2525025250
Full Size Pickup & SUVW/ 2" Rear Lift6013
Full Size Pickup & SUVW/ 4" Rear Lift6015
Chevrolet/GMC2007Full Size Pickup & SUV1500 Silverado Classic & Sierra Classic 2WD P/U986619122510 (8)3510 (8)6012
Full Size Pickup & SUVW/ 2" Rear Lift6013
Full Size Pickup & SUVW/ 4" Rear Lift6015
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)2525025250
Full Size Pickup & SUVW/ 4" Rear Lift6015
Chevrolet/GMC2007Full Size Pickup & SUV1500 Silverado Classic & Sierra Classic 4WD P/U986619122515 (8)3515 (8)6012
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)2525025250
Chevrolet/GMC07-13Full Size Pickup & SUV1500 Silverado & Sierra 2WD,4WD P/U 987 (5)619122515 (8)3515 (8)6018
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)2525025250
Chevrolet/GMC02-06Full Size Pickup & SUV1500HD 2WD,4WD P/U N/A619112527 (8)3527 (8)6012
Chevrolet/GMCFull Size Pickup & SUVw/ 43"or Longer Base Leaf Install Kit (Load Pro Only)2525025250
Chevrolet/GMC73-87Full Size Pickup & SUVC20,K20 PickupN/A619122510 (8)3510 (8)6400 (4)
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)2525025250
Chevrolet/GMC88-00Full Size Pickup & SUVC&K 2500 Pickup (Bottom leaf less than 35")N/A619122510 (8)3510 (8)6005 (4)
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)2525025250
Chevrolet/GMC01-06Full Size Pickup & SUVC2500 LD 2WD,4WD P/U N/A619012515 (8)3515 (8)6012
Chevrolet/GMCFull Size Pickup & SUVw/ 43"or Longer Base Leaf Install Kit (Load Pro Only)2525025250
Chevrolet/GMC01-10Full Size Pickup & SUV2500 HD 2WD,4WD P/U N/A619012527 (8)3527 (8)6006
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)2525025250
Chevrolet/GMCFull Size Pickup & SUVw/ 2" Rear Lift6014
Chevrolet/GMCFull Size Pickup & SUVw/ 4" Rear Lift6012
Chevrolet/GMC11-12Full Size Pickup & SUV2500 HD 2WD, 4WD P/UN/AComing Soon2512 (8)3512 (8)6017 Big Wig Air
Chevrolet/GMCFull Size Pickup & SUVInstall kit (Load Pro Only)2531225312
Chevrolet/GMC73-87Full Size Pickup & SUVC30,K30 PickupN/AN/A2510 (1) (8)3510 (1) (8)6400 (4)
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)2540025400
Chevrolet/GMC73-90Full Size Pickup & SUVC30 Truck Chassis991 (6)N/A2505 (1) (8)3505 (1) (8)6400 (4)
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)2540025400
Chevrolet/GMC88-00Full Size Pickup & SUVC&K 3500 PickupN/A61902 (1)2510 (1) (8)3510 (1) (8)6005 (4)
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)2540025400
Chevrolet/GMC88-00Full Size Pickup & SUVC&K 3500 Pickup (Botton leaf greater than 35")N/A619122515 (1) (8)3515 (1) (8)6005 (4)
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)2540025400
Chevrolet/GMC01-10Full Size Pickup & SUV3500 HD 2WD,4WD P/U N/A61906 (1)2527 (1) (8)3527 (1) (8)6006
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)2540025400
Chevrolet/GMC11-13Full Size Pickup & SUV3500 HD 2WD, 4WD P/U Incl DuallyN/AComing Soon 2512(1) (8)3512(1) (8)6017 Big Wig Air
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)2531225312
Chevrolet/GMC73-87Full Size Pickup & SUVBlazer & Suburban w/o Rear A/C991 (6)N/A2510 (8)3510 (8)N/A
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)2525025250
Chevrolet/GMC88-00Full Size Pickup & SUVBlazer, Tahoe, Suburban, Yukon w/o Rear A/C991 (6)N/A2510 (8)3510 (8)N/A
Chevrolet/GMCFull Size Pickup & SUVInstall Kit (Load Pro Only)2525025250
Chevrolet/GMCFull Size Pickup & SUVPowerlift Rear Air Suspension ( Replaces Rear Coil Springs)6090 Big Wig Air
Chevrolet/GMCFull Size Pickup & SUVPowerlift Rear Air Suspension ( w/o compressor,lvl valve, & tank)6091 Big Wig Air
Chevrolet/GMC00-06Full Size Pickup & SUV1500 Avalanche, Tahoe, Suburban, Yukon, EscaladeN/AN/AN/AN/A
Chevrolet/GMCFull Size Pickup & SUVPowerlift Rear Air Suspension ( Replaces Rear Coil Springs)6090 Big Wig Air
Chevrolet/GMCFull Size Pickup & SUVPowerlift Rear Air Suspension ( w/o compressor,lvl valve, & tank)6091 Big Wig Air
Chevrolet/GMC07-13Full Size Pickup & SUV1500 Avalanche, Tahoe, Suburban, Yukon, EscaladeN/AN/AN/AN/A
Chevrolet/GMCFull Size Pickup & SUVPowerlift Rear Air Suspension ( Replaces Rear Coil Springs)6097 Big Wig Air
Chevrolet/GMCFull Size Pickup & SUVPowerlift Rear Air Suspension ( w/o compressor,lvl valve, & tank)6091 Big Wig Air
Chevrolet/GMC72-06Full Size VanG10-G1500 Van w/o Rear A/C991 (6)N/A2510 (8)N/AN/A
Chevrolet/GMCFull Size VanInstall Kit (Load Pro Only)2525025250
Chevrolet/GMC72-06Full Size VanG20,G30,G2500,G3500 Van w/o Rear A/CN/AN/A2510 (8)9511 (8)N/A
Chevrolet/GMCFull Size VanInstall Kit (Load Pro Only)2525025250
Chevrolet/GMC07-13Full Size Van1500-3500 Express Van w/o Rear A/CN/A61902N/AN/AN/A
Ford65-72Full Size Pickup & SUVF100 2WD991 (6)619022505 (8)3505 (8)6400 (4)
FordFull Size Pickup & SUVInstall Kit (Load Pro Only)2-1/2" Wide Springs2525025250
FordFull Size Pickup & SUVInstall Kit (Load Pro Only)3" Wide Springs2530025300
Ford67-72Full Size Pickup & SUVF100 4WD991 (6)2510 (8)N/A6400 (4)
FordFull Size Pickup & SUVInstall Kit (Load Pro Only)2-1/2" Wide Springs2525025250
FordFull Size Pickup & SUVInstall Kit (Load Pro Only)3" Wide Springs2530025300
Ford73-79Full Size Pickup & SUVF100-F150 2WD,4WD 991 (6)619022510 (8)3510 (8)6400 (4)
FordFull Size Pickup & SUVInstall Kit (Load Pro Only)2-1/2" Wide Springs2525025250
FordFull Size Pickup & SUVInstall Kit (Load Pro Only)3" Wide Springs2530025300
Ford80-96Full Size Pickup & SUVF100-F150 2WD,4WD991 (6)619032510 (8)N/A6400 (4)
FordFull Size Pickup & SUVInstall Kit (Load Pro Only)2-1/2" Wide Springs2525025250
FordFull Size Pickup & SUVInstall Kit (Load Pro Only)3" Wide Springs2530025300
Ford97-03Full Size Pickup & SUVF150 2WD,4WD991 (6)619032520 (8)N/AN/A
FordFull Size Pickup & SUVInstall Kit (Load Pro Only)2-1/2" Wide Springs2525025250
FordFull Size Pickup & SUVInstall Kit (Load Pro Only)3" Wide Springs2530025300
Ford01-03Full Size Pickup & SUVF150 Super Crew 2WDN/A619032520 (8)N/AN/A
FordFull Size Pickup & SUVInstall Kit (Load Pro Only)2-1/2" Wide Springs2525025250
FordFull Size Pickup & SUVInstall Kit (Load Pro Only)3" Wide Springs2530025300
Ford01-03Full Size Pickup & SUVF150 Super Crew 4WDN/A619032510 (8)N/AN/A
FordFull Size Pickup & SUVInstall Kit (Load Pro Only)2-1/2" Wide Springs2525025250
FordFull Size Pickup & SUVInstall Kit (Load Pro Only)3" Wide Springs2530025300
Ford04-08Full Size Pickup & SUVF150 2WD984 (5)N/AN/AN/A6150
FordFull Size Pickup & SUVSpecial EZ-990 spring to clear shock crossmember
Ford04-08Full Size Pickup & SUVF150 4WD984 (5)N/AN/AN/A6154
FordFull Size Pickup & SUVSpecial EZ-990 spring to clear shock crossmember
Ford09-13Full Size Pickup & SUVFord Raptor989 (5) 61902N/AN/AN/A
Ford09-13Full Size Pickup & SUVF150 2WD,4WD989 (5)61902N/AN/A6110
FordFull Size Pickup & SUVSpecial EZ-990 spring to clear shock crossmember
Ford65-72Full Size Pickup & SUVF250 2WD991 (6)619022505 (1) (8)3505 (1) (8)6400 (4)
Ford

Download Instructions for this product

Notes:

*Progressive Rate Listed – Call for Constant Rate Applications

  1. Must Remove Factory Overload Contact Springs
  2. Can also use 6400 if not equipped with fifth wheel hitch
  3. Installs in place of factory contact overload spring
  4. Requires drilling
  5. Step Bracket Style Leaf
  6. Can also use 1801 for step bracket style leaf
  7. Leaf & Mounting Kit Packaged Together