Availability
QA1 Pro Rear Parallel 4-Link Systems
Not Yet Reviewed
* Basic, with
* Basic, with no shocks or springs
* Single-adjustable, with coilover shocks (150 lb. spring rate)
* Double-adjustable, with coilover shocks (150 lb. spring rate)
ADAPTABILITY: Kits include all necessary components and hardware for assembling and mounting the trailing arms, shock mounts, and panhard bar. The raw components can be cut to length and welded as needed, allowing for seamless adaptation to a wide range of applications.
PACKAGING and SIMPLICITY: The parallel 4-link system, by design, packages easily into many applications, making it an ideal solution where space is limited. The parallel 4-link system is easy to tune, making it a great choice for DIY mechanics while still meeting the demands of high-end builds. Powdercoated trailing arms with forged bushing ends offer great looks, durability, and offer a smooth, compliant ride.
TUNABILITY and RIDE HEIGHT ADJUSTMENT: Adjustable coilover brackets provide ride height adjustment so you can tune in the perfect stance for your ride. The included panhard bar and adjustable trailing arms ensure you can fine-tune your axle position and pinion angle for proper function and control.
KIT CONTENTS:
-- Powdercoated trailing arms with forged bushings and provide adjustment from 24 5/8 in. to 25 1/2 in. in length
-- Trailing arm axle brackets for 3 in. axle tubes
-- Panhard bar max length 37 in.
-- 40 in. trailing arm crossmember
-- 40 in. shock crossmember and mounting tabs
-- All required hardware
-- NOTE: Single- or double-adjustable models also include coilover shocks
Showing In Stock Items. Show All 2 Items.
4-Link, Pro, Parallel, Diagonal Link, Shock Mounts, Weld-On, Double Adjustable Coilover, 150 lbs., Universal, Kit
Part Number: QA1-R275-150
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
4-Link, Pro, Parallel, Diagonal Link, Shock Mounts, Weld-On, Single Adjustable Coilover, 150 lbs., Universal, Kit
Part Number: QA1-R175-150
Not Yet Reviewed
Estimated Ship Date: Feb 11, 2026 if ordered today
Estimated Ship Date: Feb 11, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster