Superlift® - 4" Rear Lifted Blocks and U-Bolts

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1975 Plymouth Trailduster
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Product Details

Plymouth Trailduster 1975, Rear Lifted Blocks and U-Bolts with 4" Lift Height by Superlift®. Quantity: 2 per Pack. Superlift's Product Development staff, arguably the industry's most experienced and talented group, utilizes the latest computer modeling technology to aid in product design. Most of Superlift factory vehicle “starting point” design data is supplied by the new vehicle manufacturers.


Material: Cast Iron Blocks
Install Time: 1 Hour
Install Difficulty Level: 1


  • Precision engineered for your vehicle
  • Tested to outperform all comparable products on the market
  • Made from premium materials to endure years of abuse
  • Improves your vehicle's handling
  • Designed for perfect fit and function
  • Proudly made in United States


  • 2 Cast Iron Blocks
  • 4 High Strength Steel U-Bolts
  • Nyloc Nuts
  • Flat Washers

Established in 1975, Superlift® began its journey in building a strong reputation as a top-tier manufacturer of lift and leveling kits and suspension accessories renowned for their legendary quality, industry award-winning design, and long-term value. Incorporating innovative computer modeling technology to aid in product design as well as advanced metal fabrication and machining processes, the company remains a pioneer in the off-road suspension and lift kit industry. Operated by avid truckers and off-road warriors and dedicated to provide only the finest products, Superlift maintains the stringent process control to consistently manufacture premium quality parts and accessories.

Part Number:

Warranty Information

What is covered?

Subject to the terms below, Superlift® will repair or replace its products found defective in materials or workmanship for so long as the original purchaser owns the vehicle on which the product was originally installed. Your warrantor is Superlift, LLC, doing business as Superlift® Suspension Systems (“Superlift®”).

What is not covered

Your Superlift® Limited Warranty does not cover products Superlift® determines to have been damaged by or subjected to:

  • Alteration, modification or failure to maintain.
  • Normal wear and tear (bushings, rod ends, etc.). Scratches or defects in product finishes (powder coating, plating, etc.).
  • Damage to, or resulting from, the vehicle’s electronic stability system, related components or other vehicle systems.
  • Racing or other vehicle competitions or contests. Accidents, impact by rocks, trees, obstacles or other aspects of the environment.
  • Theft, vandalism or other intentional damage.

Remedy Limited to Repair or Replacement.

If a replacement part is needed before the Superlift® part in question can be returned, you must first purchase the replacement part. Then, if the part in question is deemed warrantable, you will be credited / refunded. Other Limitations- Exclusion of Damages - Your Rights Under State Law

Neither Superlift® nor your independent Superlift® dealer are responsible for any time loss, rental costs, or for any incidental, consequential or other damages you may have. This Limited Warranty gives you specific rights, and this is the only warranty Superlift® makes in connection with your product purchase. You may also have other rights that vary from state to state. For example, while all implied warranties are disclaimed herein, any implied warranty required by law is limited to the terms of Limited Lifetime Warranty as described above. Some states do not allow limitations of how long an implied warranty lasts and / or do not allow the exclusion or limitation of incidental or consequential damages, so the limitations and exclusions herein may not apply to you. Superlift® neither assumes nor authorizes any retailer or other person or entity to assume for it any other obligation or liability in connection with this product or Limited Warranty.

Important Product Use and Safety Information / Warnings

As a general rule, the taller a vehicle is, the easier it will roll over. Offset, as much as possible, what is lost in rollover resistance by increasing tire track width. In other words, go “wide” as you go “tall”; always use as wide a tire and wheel combination as feasible to enhance vehicle stability. We strongly recommend, because of rollover possibility, that the vehicle be equipped with a functional roll bar and cage system. Seat belts and shoulder harnesses should be worn at all times. Avoid situations where a side rollover may occur.

Generally, braking performance and capabilities are decreased when significantly larger / heavier tires and wheels are used. Take this into consideration while driving. Also, changing axle gear ratios or using tires that are taller or shorter than factory height will cause an erroneous speedometer reading. On vehicles equipped with an electronic speedometer, the speed signal impacts other important functions as well. Speedometer recalibration for both mechanical and electronic types is highly recommended.

Do not add, alter, or fabricate any factory or aftermarket parts to increase vehicle height over the intended height of the Superlift® product purchased. Mixing component brands is not recommended.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Vehicle Fitment

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1992 Dodge D150 / D250 / W150 / W250
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1991 Dodge D150 / W150
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1990 Dodge D150
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1990 Dodge W150
1990 Dodge D150 / D250 / W250
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1989 Dodge D150
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1989 Dodge D150 / D250 / W250
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1989 Dodge D100 / W100 / W150
1989 Dodge D150 / D250
  • 3.9L
1989 Dodge D250 / W250
  • Base 5.9L Gas
1988 Dodge W100 / W150 / W250
1988 Dodge D100
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1988 Dodge D250
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1988 Dodge D150
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1987 Dodge D100
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1987 Dodge D150 / D250
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1987 Dodge W100 / W150
1987 Dodge W250
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1986 Dodge D100
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1986 Dodge D150 / D250
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1986 Dodge W100 / W150
1986 Dodge W250
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1985 Dodge D150
  • Base
1985 Dodge D100 / D250 / W150 / W250
1984 Dodge D150 / D250 / W150 / W250
  • Base
1983 Dodge D150
  • Base / Miser
1983 Dodge D250 / W150
  • 3.7L
1983 Dodge D250 / W150 / W250
  • 5.2L
1982 Dodge W150
  • 3.7L / 5.2L
1982 Dodge D150
  • Base / Miser
1982 Dodge D250 / W250
1981 Dodge D150 / D250 / W150 / W250
  • Base
1980 Dodge D200
  • 3.7L / 5.2L / 5.9L
1980 Dodge D150 / W150 / W200
  • Base
1979 Dodge D150
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1979 Dodge D100
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1979 Dodge D200 / W150
1979 Dodge W200
  • 3.7L / 5.2L / 5.9L
1978 Dodge D150
  • Base
1978 Dodge W150
1978 Dodge D100
  • Custom / Warlock
1978 Dodge D200 / W200
  • 3.7L / 5.2L / 5.9L / 6.6L / 7.2L
1977 Dodge D200 / W100 / W200
1977 Dodge D150
  • 3.7L
1977 Dodge D100
  • Custom / Warlock
1977 Dodge D150 / W150
  • 5.2L / 5.9L / 6.6L
1976 Dodge D200 / W100 / W200
1976 Dodge D100
  • Custom / Warlock
1975 Dodge W200
  • 3.7L / 5.2L / 5.9L / 7.2L
1975 Dodge D100 / D200 / W100
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1974 Dodge D100 Pickup / D200 Pickup
1973 Dodge D100 Pickup / D200 Pickup
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1972 Dodge D100 Pickup / D200 Pickup
1971 Dodge D100 Pickup / D200 Pickup
1970 Dodge D100 Pickup / D200 Pickup
1969 Dodge D100 Pickup / D200 Pickup
Dodge Power Wagon
1974 Dodge W100 Pickup / W200 Pickup
1973 Dodge W100 Pickup / W200 Pickup
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1972 Dodge W100 Pickup / W200 Pickup
  • 3.7L / 5.2L / 5.9L
1971 Dodge W100 Pickup / W200 Pickup
1970 Dodge W100 Pickup / W200 Pickup
1969 Dodge W100 Pickup / W200 Pickup
Dodge RD200
1980 Dodge RD200
Dodge Ram
2001 Dodge Ram
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2000 Dodge Ram
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1999 Dodge Ram
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1998 Dodge Ram
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1997 Dodge Ram
  • 1500 Laramie / Sport / ST / WS Gas
1996 Dodge Ram
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1995 Dodge Ram
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1994 Dodge Ram
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Dodge Ramcharger
1993 Dodge Ramcharger
1992 Dodge Ramcharger
1991 Dodge Ramcharger
1990 Dodge Ramcharger
1989 Dodge Ramcharger
1988 Dodge Ramcharger
1987 Dodge Ramcharger
1986 Dodge Ramcharger
  • 5.2L / 5.9L
1985 Dodge Ramcharger
1984 Dodge Ramcharger
1983 Dodge Ramcharger
  • 5.2L
1982 Dodge Ramcharger
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1981 Dodge Ramcharger
1980 Dodge Ramcharger
1979 Dodge Ramcharger
1978 Dodge Ramcharger
1977 Dodge Ramcharger
1976 Dodge Ramcharger
1975 Dodge Ramcharger
1974 Dodge Ramcharger
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1981 Plymouth Trailduster
1980 Plymouth Trailduster
1979 Plymouth Trailduster
1978 Plymouth Trailduster
1977 Plymouth Trailduster
1976 Plymouth Trailduster
1975 Plymouth Trailduster
1974 Plymouth Trailduster
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Low Prices Price match guarantee
In-House Experts We know our products
Guaranteed Fitment Always the correct part
Easy Returns Quick & Hassle Free

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