Upgrade your classic GM A-body suspension with the QA1 64-67 GM A-Body Upper Adjustable Trailing Arms. Designed for models including Pontiac Tempest and Buick Special from 1965 to 1967, these heavy-duty arms are engineered to enhance handling, traction, and overall ride quality. Constructed from durable 1-1/4 inch diameter steel tubing with a 0.120 inch wall thickness, they offer increased strength while maintaining a lighter weight compared to standard designs. The powder-coated gloss black finish on boxed trailing arms and zinc plating on adjustable arms ensure long-lasting corrosion resistance and a sleek appearance. The inclusion of greasable polyurethane bushings at both ends provides superior durability over stock rubber bushings, reducing wear and maintaining consistent suspension performance. The adjustable trailing arms feature spherical ball or rod end assemblies at the chassis end, enabling precise pinion angle and wheelbase adjustments without removing the components from the vehicle, facilitating easier suspension tuning. These arms also replace OEM differential bushings with polyurethane versions, further improving suspension response. Ideal for enthusiasts seeking a reliable upgrade, these parts are easy to bolt in, designed as direct fit options for many popular GM, Ford, and Mopar vehicles, and are made in the USA. The included features and robust construction make them suitable for street and performance applications, ensuring your classic car handles confidently on the road or track.
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