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Rear Suspension Kits

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  1. Porterbuilt 1963-72 Fully Adjustable Trac-bar Kit

    If you are thinking about lowering your C10 truck more than four inches in the rear, a longer trac-bar will be a necessity! The Porterbuilt Fully Adjustable Trac-bar has an overall length of just over 34 inches. The longer the bar, the less side to side shift the differential will experience through suspension travel. The new mounting brackets also relocate the bar lowering the rear roll-center, and the bar length can be tuned while still mounted on the truck!

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    $299.00
  2. Porterbuilt 1963-72 C10 Rear Dropmember - Level 1 Mild, Airbag

    The Dropmember Rear modular suspension system is designed to replace the factory components and improve ride quality, performance, aesthetics, and strength.

    DOES NOT REQUIRE ANY BED FLOOR MODIFICATION!

    Ride Height - 7"
    Deflated Height - 3"
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    $2,399.00
  3. Porterbuilt 1963-72 C10 Rear Dropmember - Level 3 Extreme, Airbag

    The Dropmember Rear modular suspension system is designed to replace the factory components and improve ride quality, performance, aesthetics, and strength.

    Ride Height - 4"
    Deflated Height - Lay Frame
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    $2,399.00
  4. Porterbuilt 1963-72 C10 Rear Dropmember - Level 1 Coilover

    The Dropmember Rear modular suspension system is designed to replace the factory components and improve ride quality, performance, aesthetics, and strength.

    DOES NOT REQUIRE ANY BED FLOOR MODIFICATION!

    Ride Height - 7"
    Learn More
    $2,399.00
  5. Porterbuilt 1963-72 C10 Rear Dropmember - Level 2 Coilover

    The Dropmember Rear modular suspension system is designed to replace the factory components and improve ride quality, performance, aesthetics, and strength.

    Ride Height - 5-6"
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    $2,399.00
  6. Porterbuilt 1973-87 C10 Rear Dropmember - Level 1 Mild, Airbag

    The Dropmember Rear modular suspension system is designed to replace the factory components and improve ride quality, performance, aesthetics, and strength.

    DOES NOT REQUIRE ANY BED FLOOR MODIFICATION!

    Ride Height - 7"
    Deflated Height - 3"
    Learn More
    $2,399.00
  7. Porterbuilt 1973-87 C10 Rear Dropmember - Level 3 Extreme, Airbag

    The Dropmember Rear modular suspension system is designed to replace the factory components and improve ride quality, performance, aesthetics, and strength.

    Ride Height - 4"
    Deflated Height - Lay Frame
    Learn More
    $2,399.00
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