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• 1979-04 Mustang with MMTR-2, MMTR-4, and MMTR-7 bumpsteer kits
• Other brands of tapered-stud style bumpsteer kits for 1979-04 Mustangs
• All Mustang spindles, 1979-04

• Bolt-through spindle style bumpsteer kit is required when installing MM K-member.
• No need to purchase an entire new bumpsteer kit: Allows converting a tapered-stud style kit to bolt-through style.
• Increases the limited adjustment range of a tapered-stud kit to the wide range of adjustment of the bolt-through bumpsteer kit.
• Exclusive MM spacers are stronger than others, will not buckle when the bolt is tightened.
• Large assortment of spacers allows precise fine-tuning of bumpsteer.
• Measurement and adjustment of bumpsteer is required during installation. MM's Bumpsteer Gauge is the right tool for that.
• Copyrighted installation instructions show you how to measure and adjust bumpsteer.

• Includes 2 different lengths of 5/8" Grade 8 bolts to ensure the best length for your Mustang.
• Spacer bushings were designed specifically for this kit.
• Longer spacer bushings are made of thick-wall Chro-Moly steel to ensure they will not buckle when the 5/8" bolt is properly tightened.
• A large variety of spacer thicknesses ensure the ability to properly adjust bumpsteer.
• Does not include the aluminum adapter sleeves or spherical rod ends.
• Requires drilling the spindle steering arm to 5/8".