1955-59 GM Truck & SUV

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

Fits: 1955-59 Chevy Trucks

The 1955-59 Chevy Pickup Front Dropmember suspension system is a modular bolt-in sub-frame assembly engineered to incorporate Porterbuilt and C10 based suspension components.
When combined with a 2.5” drop spindle, 28” tall tire, and Porterbuilt Tubular Control Arms, the Level 3 Front will set the lowest point of the factory sheet metal on the ground when fully deflated.

Ride Height - 4"
Deflated Height - Lay Frame

The 1955-59 Chevy Pickup Rear Airbag Dropmember suspension system is engineered to lay body with large diameter wheel/tire combinations. (Recommended to run no wider than a 10” wheel)

Ride Height - 4"
Deflated Height - Lay Body"

The 1955-59 Chevy Pickup Rear Coilover Dropmember suspension system is engineered to improve ride quality, performance, aesthetics, and strength.

Ride Height - 5-6"

This power rack and pinion from CPP is new, not a rebuilt or remanufactured rack.

These stainless steel headers are used with the Porterbuilt Level 3 Dropmember (Version 5, 6 & 7) when doing an LS swap.

Compatible with Level 2 and Level 3 Dropmember equipped trucks running a BBC engine.

We DO NOT stock these headers. They can be purchased here:
http://www.summitracing.com/parts/hed-65103.

Compatible with Level 1-3 Dropmember equipped trucks running a SBC engine.

NOT COMPATIBLE WITH THE VERSION 7 DROPMEMBER.

We DO NOT stock these headers. They can be purchased here:
http://www.summitracing.com/parts/hok-2466hkr.

The new Porterbuilt sway bar is manufactured in-house and is available for Version 7 Dropmember equipped trucks. It comes raw and includes all mounting hardware.

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

Fits: 1955-59 Dropmember Equipped Chevy Trucks

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

Fits: 1955-59 Chevy Trucks

Boxed Trailing Arm Crossmember built using 3/16" steel for a 2-piece driveshaft configuration.

Fits: 1955-59 Chevy Trucks

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

Fits: 1955-59 Chevy Trucks

Performance Power Rack & Pinion for all Dropmember applications.

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

Wilwood Forged Narrow Superlite 6R Front Brake Kit
14" Rotors, Drilled & Slotted Available
6 Piston Calipers, Red or Black Available
18" Minimum Wheel Diameter

* FOR USE WITH CPP MODULAR SPINDLES

Wilwood Forged Narrow Superlite 6R Front Brake Kit
13.06" Rotors, Drilled & Slotted Available
6 Piston Calipers, Red or Black Available
17" Minimum Wheel Diameter

* FOR USE WITH CPP MODULAR SPINDLES

Wilwood Forged Narrow Superlite 6R Front Brake Kit
6 Lug
14" Rotors, Drilled & Slotted Available
6 Piston Calipers, Red or Black Available
18" Minimum Wheel Diameter

* FOR USE WITH CPP MODULAR SPINDLES

Wilwood Forged Narrow Superlite 6R Front Brake Kit
6 Lug
13.06" Rotors, Drilled & Slotted Available
6 Piston Calipers, Red or Black Available
17" Minimum Wheel Diameter

* FOR USE WITH CPP MODULAR SPINDLES

Wilwood Forged Narrow Superlite 6R Front Brake Kit
12.19" Rotors, SRP Drilled & Slotted Available
6 Piston Calipers, Red or Black Available
15" Minimum Wheel Diameter

* FOR USE WITH WILWOOD C10 PRO SPINDLES

Wilwood Forged Narrow Superlite 6R Front Brake Kit
13.06" Rotors, SRP Drilled & Slotted Available
6 Piston Calipers, Red or Black Available
17" Minimum Wheel Diameter

* FOR USE WITH WILWOOD C10 PRO SPINDLES

Wilwood Forged Narrow Superlite 6R Front Brake Kit
14" Rotors, SRP Drilled & Slotted Available
6 Piston Calipers, Red or Black Available
18" Minimum Wheel Diameter

* FOR USE WITH WILWOOD C10 PRO SPINDLES

Wilwood Forged Narrow Superlite 6R Front Brake Kit
14" Rotors, SRP Drilled & Slotted Available
6 Piston Calipers, Red or Black Available
18" Minimum Wheel Diameter

* FOR USE WITH WILWOOD C10 STEEL SPINDLES

Wilwood Forged Narrow Superlite 6R Front Brake Kit
13" Rotors, SRP Drilled & Slotted Available
6 Piston Calipers, Red or Black Available
17" Minimum Wheel Diameter

* FOR USE WITH WILWOOD C10 STEEL SPINDLES

Wilwood Forged Narrow Superlite 6R Front Brake Kit
6 Lug
14" Rotors, SRP Drilled & Slotted Available
6 Piston Calipers, Red or Black Available
18" Minimum Wheel Diameter

* FOR USE WITH WILWOOD C10 STEEL SPINDLES

Wilwood Forged Narrow Superlite 6R Front Brake Kit
6 Lug
13" Rotors, SRP Drilled & Slotted Available
6 Piston Calipers, Red or Black Available
17" Minimum Wheel Diameter

* FOR USE WITH WILWOOD C10 STEEL SPINDLES

Wilwood Forged Narrow Superlite 6R Front Brake Kit
12" 1 Piece Rotor and Hats, SRP Drilled & Slotted Available
6 Piston Calipers, Red or Black Available
15" Minimum Wheel Diameter

* FOR USE WITH WILWOOD C10 STEEL SPINDLES

Wilwood Forged Narrow Superlite 6R Front Brake Kit
6 Lug
12" 1 Piece Rotor and Hats, SRP Drilled & Slotted Available
6 Piston Calipers, Red or Black Available
15" Minimum Wheel Diameter

* FOR USE WITH WILWOOD C10 STEEL SPINDLES

THESE CONTROL ARMS ARE FOR VERSION 7, COILOVER DROPMEMBER APPLICATIONS ONLY.

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. .

THESE CONTROL ARMS ARE FOR VERSION 7 DROPMEMBER APPLICATIONS ONLY.

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. .

The 1955-59 Chevy Pickup Front Dropmember suspension system is a modular bolt-in sub-frame assembly engineered to incorporate Porterbuilt and C10 based suspension components.
When combined with a 2.5” drop spindle, 28” tall tire, and Porterbuilt Tubular Control Arms, the Level 2 Front will set the bottom of the cab approx. 5-6" inches off the ground at ride height.

Ride Height - 5-6"

THESE CONTROL ARMS ARE FOR EARLY (PRE VERSION 7) DROPMEMBER APPLICATIONS ONLY.

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. .