Chassis / Suspension

If you are thinking about lowering your C10 truck more than four inches in the rear, a longer trac-bar will be a necessity! The Porterbuilt Fully Adjustable Trac-bar has an overall length of just over 34 inches. The longer the bar, the less side to side shift the differential will experience through suspension travel. The new mounting brackets also relocate the bar lowering the rear roll-center, and the bar length can be tuned while still mounted on the truck!

Porterbuilt tubular transmission crossmember for 1963-87 Chevy trucks.

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!

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

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

Battery Box for Optima Yellow Top Driver Side

Battery Box for Optima Yellow Top Passenger Side

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

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

Replace your factory trailing crossmember with this fabricated version from Porterbuilt with added ground clearance.

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

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

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

1973-87 Longbed to Shortbed Conversion Kit Includes templates, c-channel supports, and frame plate. Welding is required.

Porterbuilt Fabrication Version 7 Dropmember SBC Motor Mounts Available in SBC, BBC, LS, & LT Configurations

Porterbuilt Fabrication Version 7 Dropmember BBC Motor Mounts Available in SBC, BBC, LS, & LT Configurations

Porterbuilt Fabrication Version 7 Dropmember LT Motor Mounts Available in SBC, BBC, LS, & LT Configurations

Version 7 Dropmember GEN3 LS Motor Mounts

Porterbuilt front swaybar for 1963-72 C10 Trucks running PB arms and a factory crossmember.

Porterbuilt front swaybar for 1973-87 C10 Trucks running PB arms and a factory crossmember.

Porterbuilt's 1960-62 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.

New Boxed Inner Frame Stiffener for Level 1 Dropmember, Static & Stock Suspension Trucks Fits 1963-72 C10 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 Dropmember Rear modular suspension system is designed to replace the factory components and improve ride quality, performance, aesthetics, and strength.

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 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!

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.

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.

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 set the bottom of the cab approximately 7-8" off of the ground at ride height.

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

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 2 Front will set the bottom of the cab approximately 5-6" off of the ground at ride height.

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

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.

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.

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

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.

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.