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Roadmaster 4611

Roadmaster Active Suspension Kit 1973-2010 GM 2500/3500 Pickup

Roadmaster 4611

218-4611

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Roadmaster 4611 Roadmaster Active Suspension Kit 1973-2010 GM 2500/3500 Pickup $429.00
Roadmaster Active Suspension Kit
  • 1973-2010 GM 2500/3500 Pickup
  • 1984-99 GM Suburban 1500
  • 1984-2012 GM Suburban 2500
  • 1990-2014 GM 1500 Pickup
  • 1993-2006 Toyota T-100 4WD & Tundra
  • 2002-06 Chevy Avalanche 2500
  • 2004-14 for Nissan Tit

  • Specifications:

    Manufacturer's Part Number:
    4611

    Increase Overall Vehicle Stability and Handling Performance

    Roadmaster's Active Suspension System is the only leaf spring support that converts a vehicle's "passive" leaf spring suspension into "active" mechanical suspension. The Roadmaster System is equipped with springs that instantly absorb shock and dissipate load force energy. With or without a load in your vehicle, the results of using Roadmaster are greatly improved vehicle stability, balance, traction, and control.

    Roadmaster Active Suspension adds critical strength to leaf springs without deteriorating ride quality. The patented design prevents bottoming out, axle wrap, and wheel hop. This also improves handling by reducing sway and body roll while cornering and beefs up rear leaf springs for hauling with maximum safety. Vehicles consistently operating under load, hauling, or towing benefit from better fuel economy and load-carrying capacity. In addition, tire wear and suspension damage are reduced. Once installed, Roadmaster Active Suspension requires zero adjustment or maintenance.

    Features
  • Attaches Directly to Rear Leaf Springs
  • Increases Vehicle Stability, Especially When Towing or Hauling
  • Never Needs Adjustment or Maintenance After Installation

  • Does Roadmaster 4611 fit your vehicle?

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    Aspiration

    1974 GMC C25/C2500 PICKUP

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

    1992 CHEVROLET C2500 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1992-1999 GMC C2500 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1995-2000 CHEVROLET C3500 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    2006 CHEVROLET SILVERADO 2500 HD

    • CC: 6599
    • Liter: 6.6
    • SubModel: WT
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    2009-2012 GMC SIERRA 1500

    • CC: 6199
    • Liter: 6.2
    • SubModel: SLT
    • CUI: 376
    • EngineType: V8 ( 6.2 L / 376 )

    1973 GMC C25/C2500 PICKUP

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

    1974 GMC C35/C3500 PICKUP

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

    1991-1992 CHEVROLET K2500 PICKUP

    • EngineType: ALL
    • SubModel: CHEYENNE

    1990-1994 CHEVROLET C1500 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    2005 CHEVROLET SILVERADO 3500

    • CC: 6599
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    1992-1999 CHEVROLET K1500 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    2007 GMC SIERRA 1500 CLASSIC

    • CC: 5328
    • Liter: 5.3
    • Aspiration: N
    • SubModel: CLASSIC SLE
    • Engine Vin: B
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1991-1993 CHEVROLET C2500 PICKUP

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

    1993 CHEVROLET C2500 SUBURBAN

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

    1976-1977 GMC C25/C2500 PICKUP

    • Liter: 7.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1995 CHEVROLET K1500 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1973-1974 GMC C35/C3500 PICKUP

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

    1974 GMC K35/K3500 PICKUP

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

    1995-2000 CHEVROLET K3500 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1992 CHEVROLET C2500 PICKUP

    • CC: 5735
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1997 CHEVROLET K2500 PICKUP

    • Liter: 6.5
    • Aspiration: T
    • SubModel: BASE
    • Engine Vin: F
    • CUI: 395
    • EngineType: V8 ( 6.5 L / 395 )

    2006 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: SS

    2007-2010 CHEVROLET SILVERADO 3500

    • EngineType: ALL
    • SubModel: LT

    1973 GMC K35/K3500 PICKUP

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

    1996-1997 CHEVROLET K2500 PICKUP

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

    1999 CHEVROLET C1500 SUBURBAN

    • EngineType: ALL
    • SubModel: LT

    2006 GMC SIERRA 3500

    • CC: 5967
    • Liter: 6.0
    • SubModel: SL
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 CHEVROLET SILVERADO 1500

    • CC: 5328
    • Liter: 5.3
    • SubModel: LTZ
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1978 GMC C25/C2500 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    2011 GMC SIERRA 1500

    • CC: 5328
    • Liter: 5.3
    • Aspiration: N
    • SubModel: SLE
    • Engine Vin: 3
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1994 CHEVROLET C2500 PICKUP

    • EngineType: ALL
    • SubModel: WT

    1993-1994 CHEVROLET C3500 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    2006 CHEVROLET SILVERADO 1500

    • Liter: 4.8
    • SubModel: LS
    • CUI: 294
    • EngineType: V8 ( 4.8 L / 294 )

    1998-2000 GMC C3500 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1996-1997 CHEVROLET K2500 PICKUP

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

    1999 CHEVROLET C2500 PICKUP

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

    1996-1997 GMC C3500 PICKUP

    • EngineType: ALL
    • SubModel: SIERRA

    2005-2008 CHEVROLET SUBURBAN 2500

    • EngineType: ALL
    • SubModel: ALL

    2005 CHEVROLET SILVERADO 2500 HD

    • CC: 5967
    • Liter: 6.0
    • SubModel: LS
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2007 CHEVROLET SILVERADO 1500 CLASSIC

    • CC: 5328
    • Liter: 5.3
    • Aspiration: N
    • SubModel: CLASSIC LT
    • Engine Vin: B
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    2007-2009 GMC SIERRA 1500

    • CC: 5967
    • Liter: 6.0
    • SubModel: SLT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    1984 CHEVROLET C10 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: CUSTOM
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    2007-2010 GMC SIERRA 1500

    • CC: 5328
    • Liter: 5.3
    • Aspiration: N
    • SubModel: SLE
    • Engine Vin: 0
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1989 CHEVROLET R1500 SUBURBAN

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1990-1991 CHEVROLET V3500 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1994-1995 GMC C3500 PICKUP

    • EngineType: ALL
    • SubModel: SIERRA SL

    1973 GMC K35/K3500 PICKUP

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

    1996-1997 CHEVROLET C2500 PICKUP

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

    1991-1992 CHEVROLET K3500 PICKUP

    • EngineType: ALL
    • SubModel: SILVERADO

    2007-2008 CHEVROLET SILVERADO 1500

    • CC: 5328
    • Liter: 5.3
    • Aspiration: N
    • SubModel: WT
    • Engine Vin: 3
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1990-1993 GMC C1500 PICKUP

    • EngineType: ALL
    • SubModel: SIERRA

    1974 GMC K35/K3500 PICKUP

    • Liter: 4.8
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: T
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1991-1992 CHEVROLET K3500 PICKUP

    • EngineType: ALL
    • SubModel: CHEYENNE

    2006 GMC SIERRA 3500

    • CC: 6599
    • Liter: 6.6
    • SubModel: SLE
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    1994 CHEVROLET C2500 PICKUP

    • CC: 5735
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2006 GMC SIERRA 3500

    • CC: 8128
    • Liter: 8.1
    • SubModel: WT
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    2007 CHEVROLET SILVERADO 1500 CLASSIC

    • EngineType: ALL
    • SubModel: CLASSIC SS

    2004-2005 CHEVROLET SILVERADO 1500

    • CC: 5328
    • Liter: 5.3
    • SubModel: HYBRID
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1987-1990 GMC V1500 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    2006 GMC SIERRA 3500

    • CC: 5967
    • Liter: 6.0
    • SubModel: SLE
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2006 GMC SIERRA 3500

    • CC: 6599
    • Liter: 6.6
    • SubModel: WT
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    1984-1986 GMC C2500 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    2006 CHEVROLET SILVERADO 3500

    • CC: 6599
    • Liter: 6.6
    • SubModel: WT
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    1976 GMC C25/C2500 PICKUP

    • Liter: 7.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1991 GMC R1500 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    2004 CHEVROLET SILVERADO 2500 HD

    • CC: 6599
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    2007-2010 GMC SIERRA 1500

    • CC: 5328
    • Liter: 5.3
    • Aspiration: N
    • SubModel: WT
    • Engine Vin: 0
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    2001-2005 GMC SIERRA 2500 HD

    • EngineType: ALL
    • SubModel: BASE

    1996 CHEVROLET K2500 PICKUP

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

    2013-2014 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: WT

    1994 GMC K1500

    • EngineType: ALL
    • SubModel: SIERRA SL

    1991-1993 CHEVROLET C2500 PICKUP

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

    1987 GMC V2500 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1988 CHEVROLET R10 SUBURBAN

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    1999 CHEVROLET C2500 PICKUP

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

    2006 CHEVROLET SILVERADO 1500

    • CC: 5328
    • Liter: 5.3
    • SubModel: LS
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    2007-2008 CHEVROLET SILVERADO 1500

    • CC: 5328
    • Liter: 5.3
    • Aspiration: N
    • SubModel: LTZ
    • Engine Vin: 3
    • CUI: 325
    • EngineType: V8 ( 5.3 L / 325 )

    1985 CHEVROLET C20 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    2007 GMC SIERRA 1500 CLASSIC

    • EngineType: ALL
    • SubModel: CLASSIC HYBRID

    1988 CHEVROLET V20 SUBURBAN

    • EngineType: ALL
    • SubModel: SCOTTSDALE

    2005 CHEVROLET SILVERADO 2500 HD

    • CC: 5967
    • Liter: 6.0
    • SubModel: LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2006 CHEVROLET SILVERADO 2500 HD

    • CC: 5967
    • Liter: 6.0
    • SubModel: LT
    • CUI: 364
    • EngineType: V8 ( 6.0 L / 364 )

    2004-2010 NISSAN TITAN

    • CC: 5552
    • Liter: 5.6
    • SubModel: SE
    • EngineType: V8 ( 5.6 L / 5552 CC )

    1995 CHEVROLET C1500 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1979-1986 GMC K2500 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    2000-2004 CHEVROLET SUBURBAN 2500

    • EngineType: ALL
    • SubModel: LS

    1984 CHEVROLET C10 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: SCOTTSDALE
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    2010-2012 GMC SIERRA 1500

    • CC: 6199
    • Liter: 6.2
    • SubModel: SLE
    • CUI: 376
    • EngineType: V8 ( 6.2 L / 376 )

    1996 GMC C2500 PICKUP

    • Liter: 5.0
    • SubModel: SIERRA SL
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1992 CHEVROLET C2500 PICKUP

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

    1985 CHEVROLET K10 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    2013-2014 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: LT

    1973-1974 GMC C25/C2500 PICKUP

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

    1973-1974 GMC K25/K2500 PICKUP

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

    1991-1992 CHEVROLET K1500 PICKUP

    • EngineType: ALL
    • SubModel: WT

    2010-2011 GMC SIERRA 1500

    • Liter: 4.8
    • SubModel: SL
    • CUI: 294
    • EngineType: V8 ( 4.8 L / 294 )

    2001-2002 CHEVROLET C3500 PICKUP

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

    1999-2005 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: LS

    1998-2000 GMC K2500 PICKUP

    • EngineType: ALL
    • SubModel: BASE
    4611 - Roadmaster Active Suspension Kits is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from performance really surprised me. installed month ago -- okay put this on 2011 chevy 1500 Silverado 6.5 bed and bed had tonneau cover. first side took probably took 45 min as I was triple checking everything. Second side counting taking tire off and putting back on 20 minutes. I just jacked up one side at a time. I set the gap for 1mm as the load I was wanting to carry was atv in truck bed and Aliner camper hooked up (2000 lbs) Tongue weight was 280 lbs, atv (can-am 650 max) 900 lbs. the back wheels of atv set just on beginning of tail gate. Before suspension installed measured at top of 2" hitch bar empty;18.5" atv;15" atv+trailer;14.5" After installation empty;19.25 atv;15.25 atv+trailer; 14.75 I would buy this product just for the handling of the empty truck. Very noticeable improvement when stopped and making a hurried right turn into curb lane, went around corner like a car. Also when empty on dirt road with washboards for 1/2 mile it seemed to handled them much better. Felt there was slight improvement with atv+trailer, did seem to take bumps better. As you know, almost any product that you put on your truck the manufacturer will claim better gas mileage. Just finished a 500 mile trip with truck empty could not believe the average mileage was 20.1 the most I've gotten before was high 18's. Don't know if it was a quirk or what so take this with grain of salt as it was just one trip. I'm not a lead foot nor a light foot. I did take a 200 mile trip with atv+trailer but hard to say if mileage was better as atv sticks above cab roof and mileage has varied even before installation. There you have it, bottom line -- this is one of first things I would put on a 1/2 ton truck. For the 3/4 and 1 ton someone else will have to do a review as this review is strictly for 1/2 ton.
    Date published: 2016-10-05
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