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on-car adjustable tubular upper control arm for A-bodies (UTCA046) are manufactured from heavy-duty 1 1/4 inch DOM steel tube
Adjusting the pinion angle is crucial for reducing wheel hop
heat treated adjuster• CNC machined tubing for a perfect fit• Fully TIG welded for superior strength• 4140 chromoly threaded tube adaptors• Spherical chromoly and Teflon line rod ends• Shipped fully assembled and ready to install• Uses OEM hardware• Brilliant and durable powder coat finish
This combination of Roto-Joint and polyurethane bushings improves performance while maintaining ride quality
They also come with provisions for adding either a stock or aftermarket sway bar
Manley Pushrod, P/ROD-4130 3/8 8.650 .135WL 1989-pontiac-firebird-esi6878223 on-car adjustable tubular upper controlManley Performance Pushrods are engineered to deliver uncompromising strength, stiffness, and valvetrain stability in todays high performance engines. Manufactured from premium materials and precision heat treated for maximum durability, Manley pushrods are designed to resist deflection under high spring loads and extreme RPM conditions. Consistent wall thickness and exacting tolerances ensure reliable valve timing and long term performance in both
