1973-87 GM Trucks

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!

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.

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

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

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

Raised Bed Floor Mounts for 1963-72 Dropmember Equipped Trucks NOW INCLUDES MOUNTING BRACKETS FOR BOYD FUEL TANK

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.

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!