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  1. Porterbuilt C30 Tubular Control Arms - Factory Crossmember
    $1,099.00

    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.

    Available in the following configurations:
    1" Forward
    1" Narrowed
    1" Forward & 1" Narrowed
    Standard Length

    Includes upper and lower shafts, bushings, and Grade 8 hardware for installation.

    C30 SPECIFIC

    NOTE: ALL CONTROL ARMS ARE DESIGNED TO USE PROFORGED BALL JOINTS. .

  2. 1973-87 Chevy C30 Rear Dropmember , Level 3 Airbag
    $2,799.00

    The 1973-87 Chevy C30 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

  3. 1973-87 Chevy C30 Front Dropmember, Level 3 Airbag
    $1,499.00

    The 1973-87 Chevy C30 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 our C30 specific 3” 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

  4. 1973-87 Rear Frame Crossmember, Tubular
    $99.00

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

    Fits: 1973-87 Chevy Trucks
  5. PB Fab Swaybar, Factory Crossmember & Early Dropmember Applications
    $289.00

    The new Porterbuilt sway bar is manufactured in-house and is available for factory crossmember and early Dropmember equipped trucks. It comes raw and includes all mounting hardware.

  6. 1973-87 Carrier Bearing Crossmember, Boxed
    $329.00

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

    Fits: 1973-87 Chevy Trucks
  7. 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
  8. Porterbuilt Battery Box, Passenger Side
    $149.00
    Battery Box for Optima Yellow Top
    Passenger Side
  9. Porterbuilt Battery Box, Driver Side
    $149.00
    Battery Box for Optima Yellow Top
    Driver Side
  10. 1973-87 Boxed Inner Frame Stiffener, 2 Piece Driveshaft
    $1,499.00

    New Boxed Inner Frame Stiffener for Level 2 & Level 3 Dropmember Equipped Trucks

    Fits: 1973-87 Chevy Trucks
  11. Porterbuilt Tubular Control Arms Dropmember, 1'' Narrowed
    $999.00

    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.

    Includes shafts, bushings, and Grade 8 hardware for installation.

    NOTE: ALL CONTROL ARMS ARE DESIGNED TO USE PROFORGED BALL JOINTS. .

  12. Porterbuilt Tubular Control Arms - Factory Crossmember
    $999.00

    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.

    Available in the following configurations:
    1" Forward
    1" Narrowed
    1" Forward & 1" Narrowed
    Standard Length

    Includes upper and lower shafts, bushings, and Grade 8 hardware for installation.

    NOTE: ALL CONTROL ARMS ARE DESIGNED TO USE PROFORGED BALL JOINTS. .

  13. 1973-87 Chevy Pickup Rear Dropmember, Level 2 Coilovers
    $2,299.00

    The 1973-87 Chevy Pickup Rear Level 2 Coilover Dropmember suspension system is engineered to improve ride quality, performance, aesthetics, and strength.

    Ride Height - 4-6"

  14. 1973-87 Chevy Pickup Rear Dropmember, Level 1 Coilovers
    $2,299.00

    The 1973-87 Chevy Pickup Rear Level 2 Coilover Dropmember suspension system is engineered to improve ride quality, performance, aesthetics, and strength.

    Ride Height - 7-9"

  15. 1973-87 Chevy Pickup Rear Dropmember , Level 3 Airbag
    $2,299.00

    The 1973-87 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. 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"

  17. 1973-87 Chevy Pickup Front Dropmember, Level 2 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 2 Front will set the bottom of the cab approx. 4-6" inches off the ground at ride height.

    Ride Height - 4-6"

  18. 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"

  19. 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"

  20. 1973-87 Raised Bed Floor Mounts
    $549.00
    Raised Bed Floor Mounts for 1973-87 Dropmember Equipped Trucks
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