Upgrade to KSP Upper Control Arms for your 4-6 inch lift Silverado and Sierra 1500, or simply
replace your factory
arms.
This control arm kit is built to OEM specifications and is fully compatible with 4-6 inch high height lift kits (cradle-drop
systems) with included aftermarket knuckles — including major brands such as Rough Country, BDS, ReadyLIFT, and
more.
Not compatible with stacking lifts (i.e. 2 inch + 4 inch lift)
| Years | Make | Model |
|---|---|---|
Does NOT fit 2007 "Classic" models. (old body style)
Fits 0-2" leveled or lifted trucks using stock knuckles
Fits 4-6" lifted trucks equipped with mainstream lift kits that include aftermarket knuckles.
Compatibility may vary with some aftermarket knuckle designs. Ensure the final lift height after knuckle installation is within the 0-2" range.
Can replace OE Parts# RK80669/RK80670;CB90268PR/CB90268;521-023/521-024;15096197/15096198;25812725/25812726;CK80669;MS50115;MK80669;CB90267PR;CB90267
Q: Is the price for one or two control arms?
A: The listed price is for a complete set - one pair of control arms.
Q: Will it fit a 7", 8" or higher height lift?
A: It will fit as long as the final lift height with the knuckles installed is within 0-2".
Q: What aftermarket ball joints will it fit?
A: KSP arms are engineered with our own ball joints and are not compatible with most aftermarket options. We recommend using KSP ball joints for best fit and performance.
Q: What grease should I use?
A: We recommend you to use NLGI #2 lithium grease for the ball joints, and a silicone-based lubricant for the polyurethane bushings.
- Built to OE specs and fits the major 4-6" lift kits on the market.
- Heat-Treated Alloy Steel Ball Joints: Built stronger for enhanced durability, with fully welded steel mounting bases for maximum strength.
- Equipped with a specially designed harness limiter on the control arm for securing various wiring.
- Thickened Cold-Drawn Steel Tubes: Corrects chassis geometry after a lift for improved stability and handling.
- High-Performance Polyurethane Bushings: Improve driving performance, reduce noise and vibration, and extend service life.
- 1.25" DOM Tubing Construction: Offers outstanding strength, toughness, and long-lasting durability.
