KRYPTONITE BOLT-IN UPPER BALL JOINT FOR AFTERMARKET UPPER CONTROL ARMS FOR CHEVY/GMC HD TRUCKS & SUVs

Fits:

2001-2007 Chevy Silverado / GMC Sierra 1500HD (equipped with aftermarket UCA's)

2014-2018 Chevy Silverado / GMC Sierra 1500 (equipped with Kryptonite UCA's)

2001-2026 Chevy Silverado / GMC Sierra 2500HD (equipped with aftermarket UCA's)

2001-2026 Chevy Silverado / GMC Sierra 3500HD (equipped with aftermarket UCA's)

1988-1999 Chevy / GMC C/K 1500 (direct replacement for stock or Kryptonite UCA's)

1995-2000 Chevy Tahoe / GMC Yukon (direct replacement)

1992-1999 Chevy / GMC C/K 1500 Suburban (direct replacement)

Important Fitment Details:

• Fits Kryptonite Upper Control Arm Kits: KRUCA88, KRUCA10, KRUCA11, KRUCA13, KRUCA20.
• Compatible with aftermarket GM HD upper control arms from Cognito, Fabtech, FTS, and other brands using a bolt-in upper ball joint design.
• Bolt-in style upper ball joint used across many aftermarket applications. Direct replacement anywhere Moog K6292 is specified.
• GM 1500 Truck Owners: This ball joint is only compatible with trucks originally equipped with aluminum or stamped-steel upper control arms.
• Does NOT fit Kryptonite UCA Kits: KRUCA99, KRUCA12, KRUCA19.

Features:

• Heavy-Duty Engineered Design – Built specifically for the extreme demands of HD GM trucks, whether stock, leveled, or lifted.
• Forged High-Strength Housing – Optimized HD forging increases articulation and provides added clearance to prevent binding at full suspension travel.
• Heat-Treated Chromoly Ball Stud – Significantly stronger than factory studs and highly resistant to bending under heavy loads.
• Metal-on-Metal Internal Design – Eliminates weak factory-style internals for long-term durability in towing, off-road, and high-load applications.
• Powdered-Metal Internal Races – Designed for extreme wear resistance and consistent performance over the life of the joint.
• Coil-Spring Preload System – Maintains consistent internal tension as the suspension cycles, reducing looseness and extending service life.
• Premium Class 10.9 Hardware – Includes Kryptonite-supplied high-strength mounting hardware for secure, reliable installation.
• Greaseable By Design – Apply 4–6 pumps during installation, then maintain with approximately 1-2 pumps every 5,000–7,000 miles. Designed to purge contaminants without overfilling the boot.
• Corrosion-Resistant Finishes – Black E-coat housing with a gold zinc-plated cap for long-term corrosion protection and a premium appearance.
• Featured in Diesel World Magazine — Kryptonite ball joints were independently reviewed and recognized for their strength, articulation, and durability in real-world diesel truck applications. Read the article here: Duramax Front-End Rebuild: Upgrading to Kryptonite Ball Joints and UCAs

Description:

The Kryptonite KR6292 Bolt-In Upper Ball Joint represents the latest evolution of Kryptonite’s ball joint design. Improving not only on factory components, but even on previous Kryptonite generations. Every aspect of this joint was engineered to survive the demands of lifted trucks, oversized tires, aggressive alignment settings, and real-world abuse.

A massive chromoly stud, powdered-metal races, and a metal-on-metal internal design work together to deliver unmatched strength and articulation. The coil-spring compression system maintains consistent preload throughout suspension travel, reducing looseness and extending service life even under extreme conditions.

Finished with a corrosion-resistant gold zinc cap and protected by a thick rubber boot, the KR6292 is built for longevity, performance, and reliability. Whether you’re daily driving, towing, or pushing your truck off-road, this is a true heavy-duty upgrade over stock and aftermarket alternatives.

Upon install, these ball joints will require 4-6 pumps of grease. Going forward, the recommended service interval is about a half pump every 5,000–7,000 miles. Think of grease like blood in your body: without it, nothing survives. The boots are to keep dust and debris out and not to hold grease in so be careful not to over-grease.

Includes:

• 1 × Kryptonite Bolt-In Upper Ball Joint (KR6292)
• Mounting Hardware Kit

  
  

Torque Specs:

• Mounting hardware torque is 22lb·ft
• DO NOT USE AN IMPACT GUN 

Warranty:

(Kryptonite No Fine Print Lifetime Warranty)
Kryptonite Steering & Suspension components are warrantied for life to their original purchaser. This warranty covers manufacturer defects, premature wear, or breakage. Race it, jump it, off‑road it, wreck it, lift it—we don’t care. If you can break it, we’ll replace it.

Your Kryptonite products must be purchased through an Authorized Dealer, and Warranty Registration completed within 90 days of purchase. Complete warranty details can be found [here].