1973 – 1991 C20 / C30 Front 3″ lower control arms (8 lug trucks only)
$648.53
Upgrade your classic Chevy with brand new Calmax C20-C30 control arms featuring all steel ball joints and urethane bushings. Lower your front end 3″ without compromising suspension travel, alignment, or wheel clearance.
These front C20 control arms replace nearly 50-year-old factory parts with a full set of new components pre-installed. Each arm comes with brand new steel ball joints, urethane bushings, and mounting shafts, making installation straightforward and labor-free.
Experience a smooth 3″ front drop while keeping alignment intact and avoiding wheel clearance problems. Rebuilding old arms is labor-intensive and costly compared to these ready-to-install units.
- Brand new steel ball joints
- Urethane bushings pre-installed
- 3″ front lowering without issues
Description
Frequently Asked Questions
Why Buy from DJM Suspension
Pioneering Suspension Experience
DJM Suspension has led the lowering industry since the early 1970s, with American-made engineering and expertise for dependable, high-quality performance products.
Ready-To-Install Convenience
Save time and labor with C20-C30 control arms that come fully assembled with all new parts, letting you lower your truck without the hassle of rebuilding decades-old components.
Reliable Drop Performance
Achieve a 3″ front drop while maintaining full suspension travel, alignment, and wheel clearance, giving your classic truck a sleek look without sacrificing drivability.
About DJM Suspension
Born from a passion for aftermarket automotive parts, DJM Suspension is a family-owned American manufacturer. We pride ourselves on decades of expertise (leading the industry since the 1970s), high-quality engineering, and delivering products that keep classic and modern trucks performing at their best.
Learn more about DJM Suspension
Upgrade Your Front Suspension Today
Give your classic C20/C30 the full front-end makeover with our pre-assembled Calmax control arms and experience a smooth 3″ drop without complications.
Additional information
| Weight | 50 lbs |
|---|
Part # CA2655L-3D & CA2655L-3P
1973–1991 Chevy C30 Pickup Lower Control Arms
Installation Instructions
Please take the time to read these INSTALLATION INSTRUCTIONS and check the Hardware Parts List to be sure you have all the listed parts.
DJM parts should be installed by qualified mechanics. If you are not familiar with automotive repair have the parts installed by someone with experience.
Please read the warranty information (blue page enclosed). Complete your Product Warranty Card and mail it to DJM Suspension.
Please take a few minutes to fill out your installation helper (back side of warranty). Accurate measurements BEFORE BEGINNING INSTALLATION will show any irregularities in your vehicle.
NEVER WORK UNDER TRUCK SUPPORTED BY A JACK ONLY!!! USE QUALITY JACK STANDS WHICH HAVE A RATING ADEQUATE FOR YOUR TRUCK’S WEIGHT!!!
THIS KIT IS DESIGNED TO BE USED WITH THE FACTORY COIL SPRINGS.
MODIFYING FOR AIR BAGS WILL VOID DJM’S WARRANTY!!
New front shocks #TS1409 are recommended, but not required.
INSTALLER MUST CHECK THAT THERE IS ABSOLUTELY NO CLEARANCE PROBLEMS BETWEEN THE WHEELS, THE SPINDLE, THE CALIPER, THE LOWER CONTROL ARMS AND ANY OTHER COMPONENT BEFORE DRIVING VEHICLE.
Hardware Parts List:
| CA2655L-3D | CA2655L-3P |
|---|---|
| 1– Left Lower Control Arm. | 1– Right Lower Control Arm. |
| 4– Pivot Bushings (Installed). | 4– Pivot Bushings (Installed). |
| 2– Sleeves (Installed). | 2– Sleeves (Installed). |
| 1– Ball Joints (Installed, 6129). | 1– Ball Joints (Installed, 6129). |
| 1– DJM Cross Shaft (Installed). | 1– DJM Cross Shaft (Installed). |
| 1– Tube Loctite. | |
| 2– Grease Fitting & Cotter Pin Bags (1 for each Arm, Balljoints). | |
| 4– Grease Fittings (2 for each Arm, for Pivot Bushings). | |
- On the bottom of the pivot tubes are threaded holes for the grease fitting. With an 1/8" bit, drill through the bushing and sleeve to allow a path for grease. Remove any burrs on the inner sleeves and carefully thread in the grease fitting.
Drilling through bushing and sleeve for grease path
Threading grease fitting into pivot tube
Completed grease fitting installation - Line up pins for cross shaft and install using factory u-bolts. Install with factory coil spring only.
- Before installing sway bar bracket to control arm, loosen the bolts that hold the D-bushings to the frame under bumper. Raise the lower control arm to ride height and install sway bar brackets, then tighten.
- Grease all grease fittings.
- Review all procedures and check that all parts are tight and installed correctly.
- Replace wheels and torque lug nuts. Check the tires will turn both ways without making contact. INSTALLER MUST CHECK THAT THERE IS ABSOLUTELY NO CLEARANCE PROBLEMS BETWEEN THE WHEELS AND TIRES, THE SPINDLE, THE CALIPER, THE CONTROL ARMS OR ANY OTHER COMPONENT BEFORE DRIVING VEHICLE.
- Turn your steering wheel until it is straight. By sighting down the tires and truck you can get the toe fairly close. Adjustment is made with the tie rod ends. Loosen nuts at the rack and turn the tie rod ends until the tires are in a straight line from front to rear. Close is all you need, your alignment shop will correct this for you. Don’t forget to tighten the nuts.
- With the vehicle on ground, measure height of front and record on installation helper. Your measurements should be about 3" less than the before measurement.
- AFTER TEST DRIVING, INSPECT INSTALLATION AND DOUBLE CHECK ALL THE HARDWARE IS TIGHT. TAKE YOUR TRUCK TO A QUALIFIED ALIGNMENT SHOP FOR A PROFESSIONAL ALIGNMENT. ALIGN TO FACTORY SPECS.
