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  1. 1963-72 Rear Frame Crossmember, Boxed
    $149.00

    New boxed rear frame crossmember fabricated from 3/16" steel.

    Fits: 1963-72 Chevy Trucks
  2. 1973-87 Carrier Bearing Crossmember, Boxed
    $329.00

    Boxed carrier bearing crossmember built using 3/16" steel.

    Fits: 1973-87 Chevy Trucks
  3. 1955-59 Chevy Truck Core Support Crossmember
    $99.00

    Tubular core support crossmember built using thick-wall 1.5" tubing & 3/16" steel.

    Fits: 1955-59 Chevy Trucks
  4. 1973-87 Chevy Truck Core Support Crossmember
    $99.00

    Tubular core support crossmember built using thick-wall 1.5" tubing & 3/16" steel.

    Fits: 1973-87 Chevy Trucks
  5. 1963-66 Chevy Truck Core Support Crossmember
    $99.00

    Tubular core support crossmember built using thick-wall 1.5" tubing & 3/16" steel.

    Fits: 1963-66 Chevy Trucks
  6. 1963-72 Carrier Bearing Crossmember
    $249.00

    Tubular carrier bearing crossmember built using thick-wall 1.5" tubing & 3/16" steel.

    Fits: 1963-72 Chevy Trucks
  7. 1960-62 Chevy Pickup Rear Dropmember, Coilovers
    $2,299.00

    The Porterbuilt 1960-62 Rear coilover suspension system is a modular suspension system designed to replace the factory components and improve ride quality, performance, aesthetics, and strength.

    Ride height measures approx. 6” when running a 30” tall tire (measurements are taken from bottom of the cab to the ground).
    DOES require modification of the stock bed floor.
    All rear kits are compatible with both long and short bed trucks.
    Designed with outboard coilovers that can accommodate up to 12" Wide Wheels
  8. 1963-72 Trailing Arm Crossmember, 2 Piece Driveshaft
    $299.00

    Tubular trailing arm crossmember built using thick-wall 1.5" tubing & 3/16" steel.

    Fits: 1963-72 Chevy Trucks
  9. 1967-72 Chevy Truck Core Support Crossmember
    $99.00

    Tubular core support crossmember built using thick-wall 1.5" tubing & 3/16" steel.

    Fits: 1967-72 Chevy Trucks
  10. 1963-87 Chevy Transmission Crossmember
    $99.00

    Tubular transmission crossmember built using thick-wall 1.5" tubing & 3/16" steel.

    Fits: 1963-87 Chevy C10, C20, C30 Trucks
  11. 1963-72 Trailing Arm Crossmember, 2 Piece Driveshaft, Boxed
    $349.00

    Boxed trailing arm crossmember built using 3/16" steel.

    Fits: 1963-72 Chevy Trucks
  12. 1963-72 Rear Frame Crossmember, Tubular
    $99.00

    Tubular rear frame crossmember built using thick-wall 1.5" tubing & 3/16" steel.

    Fits: 1963-72 Chevy Trucks
  13. 1963-72 Chevy Pickup Rear Dropmember , Level 1 Airbag
    $2,299.00

    The 1963-72 Chevy Pickup Rear Level 1 Airbag Dropmember suspension system is designed to replace the factory components and improve ride quality, performance, aesthetics, and strength.

    Ride Height - 7"
    Deflated Height - 3"

  14. 1963-72 Chevy Pickup Front Dropmember, Level 1 Airbag
    $1,299.00

    The 1963-72 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 the lowest point of the factory frame rails approx. 3” off the ground when fully deflated.

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

  15. 1963-72 Chevy Pickup Rear Dropmember , Level 3 Airbag
    $2,299.00

    The 1963-72 Chevy Pickup Rear Level 3 Airbag Dropmember suspension system is engineered to lay frame with large diameter wheel/tire combinations.

    Ride Height - 4"
    Deflated Height - Lay Frame

  16. 1963-72 Chevy Pickup Front Dropmember, Level 3 Airbag
    $1,299.00

    The 1963-72 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

  17. 1973-87 Chevy Pickup Front Dropmember, Level 1 Airbag
    $1,299.00

    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 the lowest point of the factory frame rails approx. 3” off the ground when fully deflated.

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

  18. 1973-87 Chevy Pickup Front Dropmember, Level 3 Airbag
    $1,299.00

    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

  19. 1973-87 Chevy Pickup Rear Dropmember , Level 1 Airbag
    $2,299.00

    The 1973-87 Chevy Pickup Rear Level 1 Airbag Dropmember suspension system is designed to replace the factory components and improve ride quality, performance, aesthetics, and strength.

    Ride Height - 7"
    Deflated Height - 3"

  20. 1973-87 Chevy Pickup Front Dropmember, Level 1 Coilover
    $1,299.00

    The 1973-87 Chevy Pickup Front Dropmember Coilover 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 approx. 7-9" inches off the ground at ride height.

    Ride Height - 7-9"

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