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Hellwig 9511

LP-25 Constant Rate Load Leveler Helper Springs

Hellwig 9511

207-9511

made in usa
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Hellwig 9511 LP-25 Constant Rate Load Leveler Helper Springs $229.28
  • Fits Many Applications
  • 2500 lbs. Capacity
  • 3 Leaf Stack
  • Requires the Use of Spring Install Kit

  • Hellwig 9511 Details

    LP-25 Constant Rate Load Levelers

  • Mounting Kit Sold Separately
  • Designed For Full Time Users
  • Fast Easy Bolt On Installation
  • Mounting Hardware Kit Sold Separately
  • Adds New Life To Old Springs
  • Reduces Body Roll
  • Variable Rate Leaves Do Not Affect Ride When Unloaded
  • Limited Lifetime Warranty

  • Specifications:

    Manufacturer's Part Number:
    9511

    The Original Load Levelers

    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 vehicles level load carrying capacity up to the manufacturer's GVWR (Gross Vehicle Weight Rating). Always operate your vehicle safely and never exceed the recommended GVWR, even when using helper springs. 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 Hellwig Load Pro Series Helper Spring Kits are available in both Progressive Spring Rate and Constant Spring Rate designs. The Progressive Rate design requires the truck to be loaded and it's spring compressed to activate the helper spring, therefore as the vehicles load increases the helper spring progressively increases its resistance to the load. The Constant Rate design allows the helper spring to immediately react to the vehicles load, therefore compressing very little as load is applied to the vehicle.

    Designed to be installed on full size pick-up trucks and vans, the Hellwig Load Pro Series LP-25 and LP-35 Helper Spring Kits require mounting hardware to accommodate 2 1/2" or 3" wide leaf springs. When ordering be sure to measure the width of your leaf springs and identify the Load Pro Spring kit to determine the appropriate mounting hardware kit to complete the installation.

    LP-25 Features:
  • Heavy Loads - 3-Leaf Stack
  • 2500 lbs. Level Load Capacity
  • Available in Progressive or Constant Rate
  • Design can handle the load 24/7
  • Mounting kit sold separately

    LP-35 Features:
  • Heaviest Loads - 4-Leaf and Up Stack
  • 3500 lbs. Level Load Capacity
  • Available in Progressive or Constant Rate
  • Offers the Maximum in Carrying Capacity
  • Recommended for 3/4 Ton and 1 Ton Applications
  • Mounting kit sold separately

    Note: Please use the "Filter By Vehicle" selection on the left below to find Hellwig Load Pro Series products for your vehicle.

  • Does Hellwig 9511 fit your vehicle?

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    1989-1991 CHEVROLET V2500 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1971-1973 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: SPORTVAN

    1976-1977 CHEVROLET VEGA

    • EngineType: ALL
    • SubModel: ALL

    1979-1980 CHEVROLET G20 VAN

    • CC: 4097
    • Liter: 4.1
    • SubModel: SPORTVAN
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1975 CHEVROLET VEGA

    • EngineType: ALL
    • SubModel: PANEL EXPRESS

    1974 GMC G35/G3500 VAN

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969 CHEVROLET CHEVELLE

    • CC: 5736
    • Liter: 5.7
    • SubModel: SS
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985 CHEVROLET G30 VAN

    • EngineType: ALL
    • SubModel: BEAUVILLE

    1979-1980 CHEVROLET BLAZER K5

    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    1989-1990 CHEVROLET CAVALIER

    • EngineType: ALL
    • SubModel: Z24

    1987-1991 FORD E-350 ECONOLINE

    • Fitment_Note: Cutaway Chassis
    • EngineType: ALL
    • SubModel: CUSTOM

    1973 CHEVROLET LAGUNA

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1977 CHEVROLET NOVA

    • EngineType: ALL
    • SubModel: CONCOURS

    1992 GMC G35/G3500 VAN

    • Liter: 6.2
    • Aspiration: N
    • SubModel: VANDURA SPECIAL
    • Engine Vin: J
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1991 CHEVROLET S10 PICKUP

    • Liter: 4.3
    • SubModel: BAJA
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1985-1986 CHEVROLET C20 PICKUP

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1972-1974 CHEVROLET VEGA

    • EngineType: ALL
    • SubModel: ALL

    1973 CHEVROLET MONTE CARLO

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1992 GMC G35/G3500 VAN

    • Liter: 6.2
    • Aspiration: N
    • SubModel: MAGNAVAN
    • Engine Vin: J
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1979-1980 CHEVROLET C20 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    1977-1978 CHEVROLET NOVA

    • EngineType: ALL
    • SubModel: RALLY

    1980 CHEVROLET CORVETTE

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1996 CHEVROLET G30 VAN

    • EngineType: ALL
    • SubModel: BEAUVILLE

    1986 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1983-1984 CHEVROLET C10 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1981-1983 CHEVROLET IMPALA

    • Liter: 3.8
    • SubModel: BASE
    • CUI: 229
    • EngineType: V6 ( 3.8 L / 229 )

    1982-1985 CHEVROLET CELEBRITY

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 260
    • EngineType: V6 ( 4.3 L / 260 )

    2002-2003 FORD E-350 ECONOLINE CLUB WAGON

    • Fitment_Note: Cutaway Chassis~w/Factory Rear Sway Bar
    • Liter: 6.8
    • SubModel: XL
    • CUI: 415
    • EngineType: V10 ( 6.8 L / 415 )

    1973 CHEVROLET LAGUNA

    • CC: 5031
    • Liter: 5.0
    • SubModel: ESTATE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1988 CHEVROLET NOVA

    • CC: 1588
    • Liter: 1.6
    • SubModel: TWIN CAM
    • CUI: 98
    • EngineType: L4 ( 1.6 L / 98 )

    1973 CHEVROLET EL CAMINO

    • CC: 4098
    • Liter: 4.1
    • SubModel: CUSTOM
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1976 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: SILVERADO

    1986-1990 CHEVROLET ASTRO

    • Liter: 4.3
    • SubModel: CL
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1972 CHEVROLET CHEVELLE

    • CC: 5031
    • Liter: 5.0
    • SubModel: GREENBRIER
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1972 CHEVROLET CHEVELLE

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: CONCOURS ESTATE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1995-1996 CHEVROLET S10 PICKUP

    • CC: 2190
    • Liter: 2.2
    • SubModel: BASE
    • CUI: 134
    • EngineType: L4 ( 2.2 L / 134 )

    1979-1980 GMC G25/G2500 VAN

    • Liter: 4.1
    • SubModel: VANDURA
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1986 CHEVROLET C20 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1982 CHEVROLET C10 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM

    1975 CHEVROLET VEGA

    • CC: 2294
    • Liter: 2.3
    • SubModel: BASE
    • CUI: 140
    • EngineType: L4 ( 2.3 L / 140 )

    1985-1987 CHEVROLET CELEBRITY

    • EngineType: ALL
    • SubModel: ESTATE

    1972-1974 CHEVROLET MONTE CARLO

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: RALLY

    1975-1983 FORD E-350 ECONOLINE

    • Fitment_Note: Cutaway Chassis
    • EngineType: ALL
    • SubModel: CUSTOM

    1972-1973 CHEVROLET C30 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1970 CHEVROLET P30 VAN

    • EngineType: ALL
    • SubModel: ALL

    1980-1981 CHEVROLET CORVETTE

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1995-1996 CHEVROLET G30 VAN

    • Liter: 5.7
    • SubModel: SPORTVAN
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970-1971 CHEVROLET KINGSWOOD

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980-1983 CHEVROLET MALIBU

    • CC: 5031
    • Liter: 5.0
    • SubModel: CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1991-1995 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: ZR-1

    1986 CHEVROLET K10 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1974 CHEVROLET IMPALA

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: T
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1973 CHEVROLET K20 PICKUP

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1986 CHEVROLET C10 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1972-1973 CHEVROLET BEL AIR

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1985 CHEVROLET IMPALA

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1974 CHEVROLET C20 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1970 CHEVROLET NOVA

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1987-1989 CHEVROLET CELEBRITY

    • EngineType: ALL
    • SubModel: EUROSPORT

    2003 FORD E-350 ECONOLINE CLUB WAGON

    • Fitment_Note: Cutaway Chassis~w/Factory Rear Sway Bar
    • Liter: 7.3
    • Aspiration: T
    • SubModel: XL
    • Engine Vin: F
    • CUI: 445
    • EngineType: V8 ( 7.3 L / 445 )

    1973 CHEVROLET LAGUNA

    • CC: 6555
    • Liter: 6.6
    • SubModel: ESTATE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980-1983 CHEVROLET MALIBU

    • CC: 3800
    • Liter: 3.8
    • SubModel: CLASSIC
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1973 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1970 CHEVROLET P10 VAN

    • EngineType: ALL
    • SubModel: ALL

    1986 CHEVROLET C30 PICKUP

    • Liter: 6.2
    • SubModel: SILVERADO
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1972 CHEVROLET EL CAMINO

    • CC: 6555
    • Liter: 6.6
    • SubModel: SS
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972 CHEVROLET TOWNSMAN

    • CC: 7441
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1992-1996 CHEVROLET C1500 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1986-1990 CHEVROLET ASTRO

    • Liter: 4.3
    • SubModel: CS
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1972 CHEVROLET CHEVELLE

    • CC: 7439
    • Liter: 7.4
    • SubModel: GREENBRIER
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976 CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: LT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1991-1992 CHEVROLET S10 PICKUP

    • EngineType: ALL
    • SubModel: TAHOE

    1982-1990 CHEVROLET S10 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1974 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: RALLY

    1974 CHEVROLET C30 PICKUP

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972 CHEVROLET CHEVELLE

    • CC: 6555
    • Liter: 6.6
    • SubModel: CONCOURS ESTATE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1972 CHEVROLET TOWNSMAN

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978 CHEVROLET NOVA

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1986-1989 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: ALL

    1970-1971 CHEVROLET C20 SUBURBAN

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1970 CHEVROLET CHEVELLE

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1991 CHEVROLET S10 PICKUP

    • CC: 2474
    • Liter: 2.5
    • Aspiration: N
    • SubModel: BAJA
    • Engine Vin: A
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1979 CHEVROLET MALIBU

    • EngineType: ALL
    • SubModel: LANDAU

    1972 CHEVROLET BISCAYNE

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1973 CHEVROLET K10 PICKUP

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981 CHEVROLET C10 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1995-1996 CHEVROLET C1500 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1974 CHEVROLET MALIBU

    • CC: 6556
    • Liter: 6.6
    • SubModel: ESTATE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1971 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: VANDURA

    1990-1994 CHEVROLET CAVALIER

    • EngineType: ALL
    • SubModel: VL

    1998 GMC SAVANA 2500

    • Liter: 6.5
    • SubModel: SLE
    • CUI: 395
    • EngineType: V8 ( 6.5 L / 395 )

    1976 CHEVROLET CAMARO

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1986-1998 DODGE MOTORHOME

    • EngineType: ALL
    • SubModel: ALL

    1972 CHEVROLET CHEVELLE

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973 CHEVROLET MONTE CARLO

    • CC: 7441
    • Liter: 7.4
    • SubModel: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1982 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: Z28 INDIANAPOLIS 500 PACE CAR

    1998 GMC SAVANA 2500

    • Liter: 5.7
    • SubModel: SLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1990-1991 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: RALLY STX

    2002-2005 FORD E-350 ECONOLINE CLUB WAGON

    • Fitment_Note: Cutaway Chassis~w/Factory Rear Sway Bar
    • SubModel: CHATEAU
    • EngineType: ALL
    Some parts are not legal for use in California or other states with similar laws / regulations