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Eibach Springs 3811.820 Truck Performance Lowering Kit Incl. 2 Rear Shackles
Part No. 3811.820

This is a direct fit, vehicle specific part.
Please verify this fits your vehicle.

vehicle fitment information
Attribute Size / Style
Bed Sides Dually Bed
Drivewheel 2 Wheel Drive
Position W/Lift Extended Cab- Rear w/1.5 in. Drop
shipping
$9.95 
your price
$84.06
in stock
Quantity
Our Low Price Guarantee
  • Truck Performance Lowering Kit, Incl. 2 Rear Shackles Extended Cab- Rear w/1.5 in. Drop; Extended Cab- Rear w/2 in. Drop; Rear w/2 in. Drop; Regular Cab- Rear w/1.5 in. Drop; Regular Cab- Rear w/2 in. Drop;
  • Enhanced Response And Stability
  • Excellent Ride Quality
  • High-Performance Handling
  • Increase Vehicle Attitude
  • Lower Center Of Gravity
  • Million Mile Warranty
    YearsMakeModelSubModelEngineFuel
    1988-1999CHEVROLETC1500 PICKUP5.0L / 305 C.I.D.-7.4L / 454 C.I.D.GAS
    1992-1992CHEVROLETC1500 PICKUP5.7L / 350 C.I.D.-5.7L / 350 C.I.D.CNG
    1988-1998CHEVROLETC1500 PICKUP6.2L / 379 C.I.D.-6.5L / 395 C.I.D.DIESEL
    1992-1998CHEVROLETC3500 PICKUP5.7L / 350 C.I.D.-7.4L / 454 C.I.D.GAS
    1992-1998CHEVROLETC3500 PICKUP6.2L / 379 C.I.D.-6.5L / 395 C.I.D.DIESEL
    1999-2005CHEVROLETSILVERADO 15004.3L / 262 C.I.D.-5.3L / 323 C.I.D.GAS
    2002-2005CHEVROLETSILVERADO 15005.3L / 323 C.I.D.-5.3L / 323 C.I.D.FLEX
    2004-2006CHEVROLETSILVERADO 1500HYBRID5.3L / 323 C.I.D.-5.3L / 325 C.I.D.ELECTRIC/G
    2006-2006CHEVROLETSILVERADO 1500LS4.3L / 262 C.I.D.-5.3L / 325 C.I.D.GAS
    2006-2006CHEVROLETSILVERADO 1500LS5.3L / 325 C.I.D.-5.3L / 325 C.I.D.FLEX
    2006-2006CHEVROLETSILVERADO 1500LT4.8L / 294 C.I.D.-6.0L / 364 C.I.D.GAS
    2006-2006CHEVROLETSILVERADO 1500LT5.3L / 325 C.I.D.-5.3L / 325 C.I.D.FLEX
    2004-2006CHEVROLETSILVERADO 1500SS6.0L / 364 C.I.D.-6.0L / 364 C.I.D.GAS
    2006-2006CHEVROLETSILVERADO 1500WT4.3L / 262 C.I.D.-5.3L / 325 C.I.D.GAS
    2006-2006CHEVROLETSILVERADO 1500WT5.3L / 325 C.I.D.-5.3L / 325 C.I.D.FLEX
    2007-2007CHEVROLETSILVERADO 1500 CLASSICHYBRID5.3L / 325 C.I.D.-5.3L / 325 C.I.D.ELECTRIC/G
    2007-2007CHEVROLETSILVERADO 1500 CLASSICLS4.3L / 262 C.I.D.-5.3L / 325 C.I.D.GAS
    2007-2007CHEVROLETSILVERADO 1500 CLASSICLS5.3L / 325 C.I.D.-5.3L / 325 C.I.D.FLEX
    2007-2007CHEVROLETSILVERADO 1500 CLASSICLT4.8L / 294 C.I.D.-6.0L / 364 C.I.D.GAS
    2007-2007CHEVROLETSILVERADO 1500 CLASSICLT5.3L / 325 C.I.D.-5.3L / 325 C.I.D.FLEX
    2007-2007CHEVROLETSILVERADO 1500 CLASSICWT4.3L / 262 C.I.D.-5.3L / 325 C.I.D.GAS
    2007-2007CHEVROLETSILVERADO 1500 CLASSICWT5.3L / 325 C.I.D.-5.3L / 325 C.I.D.FLEX
    1995-1999CHEVROLETTAHOE5.7L / 350 C.I.D.-5.7L / 350 C.I.D.GAS
    1995-1999CHEVROLETTAHOE6.5L / 395 C.I.D.-6.5L / 395 C.I.D.DIESEL
    1995-1997DODGERAM 1500 PICKUP5.2L / 318 C.I.D.-5.2L / 318 C.I.D.CNG
    1994-2000DODGERAM 1500 PICKUP5.2L / 318 C.I.D.-5.9L / 360 C.I.D.GAS
    1997-1997DODGERAM 1500 PICKUPLARAMIE5.2L / 318 C.I.D.-5.2L / 318 C.I.D.CNG
    1997-2000DODGERAM 1500 PICKUPLARAMIE5.2L / 318 C.I.D.-5.9L / 360 C.I.D.GAS
    1997-1997DODGERAM 1500 PICKUPSPORT5.2L / 318 C.I.D.-5.2L / 318 C.I.D.CNG
    1997-2000DODGERAM 1500 PICKUPSPORT5.2L / 318 C.I.D.-5.9L / 360 C.I.D.GAS
    1997-1997DODGERAM 1500 PICKUPST5.2L / 318 C.I.D.-5.2L / 318 C.I.D.CNG
    1997-2000DODGERAM 1500 PICKUPST5.2L / 318 C.I.D.-5.9L / 360 C.I.D.GAS
    2000-2000DODGERAM 1500 PICKUPWS5.2L / 318 C.I.D.-5.9L / 360 C.I.D.GAS
    2004-2004FORDF-150 HERITAGE PICKUP4.2L / 256 C.I.D.-4.2L / 256 C.I.D.GAS
    1999-2004FORDF-150 LIGHTNING PICKUP5.4L / 330 C.I.D.-5.4L / 330 C.I.D.GAS
    1997-2003FORDF-150 PICKUP4.2L / 256 C.I.D.-4.2L / 256 C.I.D.GAS
    1997-1997FORDF-150 PICKUPSUPER CAB4.2L / 256 C.I.D.-4.2L / 256 C.I.D.GAS
    1988-1999GMCC1500 PICKUP5.0L / 305 C.I.D.-5.7L / 350 C.I.D.GAS
    1988-1988GMCC1500 PICKUP6.2L / 379 C.I.D.-6.2L / 379 C.I.D.DIESEL
    1989-1997GMCC1500 PICKUPSIERRA5.0L / 305 C.I.D.-5.7L / 350 C.I.D.GAS
    1989-1997GMCC1500 PICKUPSIERRA6.2L / 379 C.I.D.-6.5L / 395 C.I.D.DIESEL
    1989-1997GMCC1500 PICKUPSIERRA XC5.0L / 305 C.I.D.-5.7L / 350 C.I.D.GAS
    1989-1997GMCC1500 PICKUPSIERRA XC6.2L / 379 C.I.D.-6.5L / 395 C.I.D.DIESEL
    1998-1998GMCC3500 PICKUP5.7L / 350 C.I.D.-7.4L / 454 C.I.D.GAS
    1998-1998GMCC3500 PICKUP6.5L / 395 C.I.D.-6.5L / 395 C.I.D.DIESEL
    1997-1997GMCC3500 PICKUPSIERRA5.7L / 350 C.I.D.-5.7L / 350 C.I.D.CNG
    1992-1997GMCC3500 PICKUPSIERRA5.7L / 350 C.I.D.-7.4L / 454 C.I.D.GAS
    1992-1997GMCC3500 PICKUPSIERRA6.2L / 379 C.I.D.-6.5L / 395 C.I.D.DIESEL
    1999-2005GMCSIERRA 15004.3L / 262 C.I.D.-5.3L / 323 C.I.D.GAS
    2002-2005GMCSIERRA 15005.3L / 323 C.I.D.-5.3L / 323 C.I.D.FLEX
    2005-2006GMCSIERRA 1500HYBRID5.3L / 323 C.I.D.-5.3L / 325 C.I.D.ELECTRIC/G
    2006-2006GMCSIERRA 1500SL4.3L / 262 C.I.D.-5.3L / 325 C.I.D.GAS
    2006-2006GMCSIERRA 1500SL5.3L / 325 C.I.D.-5.3L / 325 C.I.D.FLEX
    2006-2006GMCSIERRA 1500SLE4.8L / 294 C.I.D.-6.0L / 364 C.I.D.GAS
    2006-2006GMCSIERRA 1500SLE5.3L / 325 C.I.D.-5.3L / 325 C.I.D.FLEX
    2006-2006GMCSIERRA 1500SLT5.3L / 325 C.I.D.-6.0L / 364 C.I.D.GAS
    2006-2006GMCSIERRA 1500WT4.3L / 262 C.I.D.-5.3L / 325 C.I.D.GAS
    2006-2006GMCSIERRA 1500WT5.3L / 325 C.I.D.-5.3L / 325 C.I.D.FLEX
    2007-2007GMCSIERRA 1500 CLASSICHYBRID5.3L / 325 C.I.D.-5.3L / 325 C.I.D.ELECTRIC/G
    2007-2007GMCSIERRA 1500 CLASSICSL4.3L / 262 C.I.D.-5.3L / 325 C.I.D.GAS
    2007-2007GMCSIERRA 1500 CLASSICSL5.3L / 325 C.I.D.-5.3L / 325 C.I.D.FLEX
    2007-2007GMCSIERRA 1500 CLASSICSLE4.8L / 294 C.I.D.-6.0L / 364 C.I.D.GAS
    2007-2007GMCSIERRA 1500 CLASSICSLE5.3L / 325 C.I.D.-5.3L / 325 C.I.D.FLEX
    2007-2007GMCSIERRA 1500 CLASSICSLT5.3L / 325 C.I.D.-6.0L / 364 C.I.D.GAS
    2007-2007GMCSIERRA 1500 CLASSICWT4.3L / 262 C.I.D.-5.3L / 325 C.I.D.GAS
    2007-2007GMCSIERRA 1500 CLASSICWT5.3L / 325 C.I.D.-5.3L / 325 C.I.D.FLEX
    1995-1998GMCYUKON5.7L / 350 C.I.D.-5.7L / 350 C.I.D.GAS
    1995-1997GMCYUKON6.5L / 395 C.I.D.-6.5L / 395 C.I.D.DIESEL
    1999-1999GMCYUKONSLE5.7L / 350 C.I.D.-5.7L / 350 C.I.D.GAS
    1999-1999GMCYUKONSLT5.7L / 350 C.I.D.-5.7L / 350 C.I.D.GAS
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    • Shipping Policy

      Free Ground Shipping
      Free FedEx ground shipping on all orders over $100. Free shipping to 48 Continental United States only. Orders under $100 will incur a FedEx ground shipping charge of $9.95.

      $9.95 Per Wheel/$25 Per Tire
      Each wheel will incur a $9.95 per wheel fee and each tire will incur a $25 per tire fee up to $99. You will be charged a maximum of $99 regardless of how many wheels and/or tires you purchase.

      $99 Truck Freight
      Oversized parts will incur a $99 truck freight charge that FedEx cannot provide standard ground shipping on.