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1973-87 GM Trucks

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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 1973-87 C10 Front Dropmember - Level 3 Extreme

    The 1973-87 Chevy Pickup Front Dropmember suspension system is designed to replace the factory cross-member and steering system. It is engineered as a modular bolt-in unit that requires no welding.
    When combined with a 2.5” drop spindle, 29” tall tire, and Porterbuilt Tubular Control Arms, the Level 3 Front will set the lowest point of the factory frame rails on the ground when fully deflated.

    Ride Height - 4"
    Deflated Height - Lay Frame

    Learn More
    $1,399.00
  3. 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
  4. 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
  5. Porterbuilt 1963-87 Transmission Crossmember
    Porterbuilt tubular transmission crossmember for 1963-87 Chevy trucks. Learn More
    $119.00
  6. 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
  7. Porterbuilt Front Swaybar - Version 7 Dropmember
    Porterbuilt front swaybar for 1963-87 Version 7 Dropmember equipped trucks.
    Fits Level 2 Coilover and Level 3 airbag kits only!
    DOES NOT FIT LEVEL 1 DROPMEMBER KITS! Learn More
    $349.00
  8. 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
  9. Porterbuilt Raised Bed Floor Mounts - 1973-87
    Raised Bed Floor Mounts for 1963-72 Dropmember Equipped Trucks
    NOW INCLUDES MOUNTING BRACKETS FOR BOYD FUEL TANK Learn More
    $649.00
  10. Porterbuilt Battery Box, Driver Side
    Battery Box for Optima Yellow Top
    Driver Side Learn More
    $169.00
  11. Porterbuilt Battery Box, Passenger Side
    Battery Box for Optima Yellow Top
    Passenger Side Learn More
    $169.00
  12. Porterbuilt 1973-87 C10 Front Dropmember - Level 1 Mild, Airbag

    The 1973-87 Chevy Pickup Front Dropmember suspension system is designed to replace the factory cross-member and steering system. It is engineered as a modular bolt-in unit that requires no welding.
    When combined with a 2.5” drop spindle, 29” tall tire, and Porterbuilt Tubular Control Arms, the Level 1 Front will set the lowest point of the factory frame rails approximately 3" off of the ground when fully deflated.

    Ride Height - 6-7"
    Deflated Height - 3"

    Learn More
    $1,399.00
  13. Porterbuilt 1973-87 C10 Front Dropmember - Level 1 Mild, Coilover

    The 1973-87 Chevy Pickup Front Dropmember suspension system is designed to replace the factory cross-member and steering system. It is engineered as a modular bolt-in unit that requires no welding.
    When combined with a 2.5” drop spindle, 29” tall tire, and Porterbuilt Tubular Control Arms, the Level 1 Front will set the bottom of the cab approximately 7-8" off of the ground at ride height.

    Ride Height - 7-8"

    Learn More
    $1,399.00
  14. Porterbuilt 1973-87 C10 Front Dropmember - Level 2 Touring, Coilover

    The 1973-87 Chevy Pickup Front Dropmember suspension system is designed to replace the factory cross-member and steering system. It is engineered as a modular bolt-in unit that requires no welding.
    When combined with a 2.5” drop spindle, 29” tall tire, and Porterbuilt Tubular Control Arms, the Level 2 Front will set the bottom of the cab approximately 5-6" off of the ground at ride height.

    Ride Height - 5-6"

    Learn More
    $1,399.00
  15. 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
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