Speedway Motors Weld-On 1978-1988 GM Flat Mount Caliper Brackets 2 Pack, Steel Rear Axle Brake Mount for 3 Inch Tube Housing, Fits 11.75 Inch Rotors, 5.5 Inch Hole Spacing

These caliper brackets mount flat and must be welded onto your 3" diameter axle tube. Designed to mount a 1978-1988 GM metric car front caliper for use with an 11.75" diameter rotor. Brackets are 1/4" thick. IMCA APPROVED Notes Using a 3" axle and metric caliper, the approximate height from top of caliper to center of tube is 6.75". Minimum inside wheel ID is approx 13.5"

• GM Metric Caliper Mount – Designed to mount 1978–1988 GM metric front brake calipers to a 3" diameter steel tube rear axle housing.
• Weld-On Flat Mount Design – Flat mount brackets weld directly to the axle tube for secure installation in custom rear brake setups.
• Rotor Compatibility – Engineered for use with 11.75" diameter brake rotors to provide reliable braking performance.
• Heavy-Duty Steel Construction – Manufactured from .25" thick steel for strength and durability in racing or street applications.
• Precision Fit Specifications – Features 5.50" center-to-center mounting holes and 7/16"-20 slide bolt threads; minimum inside wheel diameter approximately 13.5".