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The TeraFlex JK/JKU Axle Sleeve & Front Upper Knuckle Gusset Kit is designed to reinforce the weak axle tubing and knuckles on JK/JKU Dana 30 or 44 factory axles. This prevents unwanted bending or breaking under extreme conditions.
• Short side inner axle sleeve & long side inner axle sleeve (# 4990700)
• Front upper inner knuckle gussets pair (# 4990800)
• Does not fit Rubicon Recon w/ Dana 44 front axle w/ 3/8" wall.
INSTALL TIME: 5 Hours (Complete Kit)