Porterbuilt 1963-72 C10 Rear Dropmember - Level 3 Extreme, Airbag
The Dropmember Rear modular suspension system is designed to replace the factory components and improve ride quality, performance, aesthetics, and strength.
Ride Height - 4"
Deflated Height - Lay Frame
Shipping Date:
1963-72 Dropmember Level 3 Rear Airbag
The Dropmember Level 3 Rear is a modular suspension system designed to replace the factory components and improve ride quality, performance, aesthetics, and strength. It is available in a trailing arm configuration. Ride height measures approx. 4” when running a 30” tall tire, and will lay the frame on the ground when fully deflated (measurements are taken from bottom of the frame rail under the cab to the ground).
Designed to be paired with the Porterbuilt Dropmember Level 3 Front.
Advantages
- Revised suspension geometry for improved performance and ride quality
- Added ground clearance over factory components
Specs
When running a 30” tall tire, the Level 3 Rear will set the frame on the ground when fully deflated. Ride height is approximately 4" off the ground.
Compatible with both long and short wheel base trucks.
Does NOT come powdercoated. All parts come raw.
Designed to be paired with our Dropmember Level 3 Front.
Kit Includes
- Trailing arm crossmember
- Trailing arms
- Modular bolt-in notch assembly
- Lower bag and shock mounting brackets
- Watts link
- Grade 8 Hardware
Upgrades & Add-on Items
- Firestone F9000 Airbags
- Shocks
- Porterbuilt Rear Frame Crossmember, Tubular or Boxed
- Porterbuilt Inner Frame Stiffener
Options & Upgrades
Airbags
Firestone F9000 Air Spring Kit - This standard Firestone air spring offers maximum load support and operates at up to 100 psi. The spring has a 1/4" inflation port, a ride height of 8.25" and a maximum diameter of 5.70".
Shock Kits
KYB Excel-G gas shocks and struts rely on velocity-sensitive valving to respond to changing road conditions for a smooth, comfortable ride. They feature sintered-iron pistons and guide rods for strength, hard-chrome piston rods for added durability, and seamless cylinders and eyerings that eliminate the typical weak points. Excel-G shocks and struts also have a patented check valve to minimize foaming and aeration and maintain control under tough conditions.
Ridetech HQ Series Shocks - The HQ (handling quality) Series shocks adds rebound adjustment for the driver who wants to tune ride quality AND handling quality to their specific taste. A wide rebound adjustment range allows you to cruise down the road in plush comfort or firm up your suspension for those Saturday morning canyon roads!
Rear Frame Crossmember
Porterbuilt Tubular Rear Frame Crossmember is an ideal replacement for that factory crossmember. Built from thick wall tubing and 3/16" steel this rear frame crossmember adds some strength between the rear frame rails. It fits perfect with a rear mounted fuel tank from Boyd!
Also available in a "boxed" version, fabricated from 3/16" steel featuring the PBFAB logo.
Inner Frame Stiffener
Porterbuilt's new Boxed Inner Frame Stiffener is designed to strengthen and reinforce your frame and is an ideal solution for LS swapped trucks. The IFS incorporates adjustable transmission and trailing arm mounts to make installation easy.
Product Availability | Custom Built / Built To Order |
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Shipping Timeframe | Estimated 12 Weeks |