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  1. Porterbuilt 1963-87 1" Narrowed Control Arms - Factory Crossmember

    Porterbuilt tubular control arms are built using thick-wall DOM tubing and CNC cut 3/16 pickeled plate steel. All bushing pivot tubes and ball joint cups are TIG welded.
    1" NARROWED
    FOR FACTORY CROSSMEMBER ONLY!

    Learn More
    $1,099.00

  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"
    Learn More
    $2,399.00

  3. Porterbuilt 1963-87 1" Forward & 1" Narrowed Control Arms - Factory Crossmember

    Porterbuilt tubular control arms are built using thick-wall DOM tubing and CNC cut 3/16 pickeled plate steel. All bushing pivot tubes and ball joint cups are TIG welded.
    1" FORWARD & 1" NARROWED
    FOR FACTORY CROSSMEMBER ONLY!

    Learn More
    $1,099.00

  4. 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
    Learn More
    $2,399.00

  5. 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

  6. 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"
    Learn More
    $2,399.00

  7. 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

  8. Porterbuilt 1" Narrowed Control Arms - Version 7 Dropmember, Airbag

    Porterbuilt tubular control arms are built using thick-wall DOM tubing and CNC cut 3/16 pickeled plate steel. All bushing pivot tubes and ball joint cups are TIG welded.

    1" NARROWED
    FOR VERSION 7 DROPMEMBER ONLY

    Learn More
    $1,099.00

  9. 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

  10. Porterbuilt 1" Narrowed Control Arms - Version 7 Dropmember, Coilover

    Porterbuilt tubular control arms are built using thick-wall DOM tubing and CNC cut 3/16 pickeled plate steel. All bushing pivot tubes and ball joint cups are TIG welded.

    1" NARROWED
    FOR VERSION 7 DROPMEMBER ONLY

    Learn More
    $1,099.00

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