GM Disc Brake Spindle Backing Plate Upper Bolt 5/8-18 Right Hand Thread Direct OEM Replacement For A-Body F-Body X-Body Spindles 1964-1974 1 Inch Overall Length.75 Inch Under Head Length Steel Hardware
✔️ 5/8-18 right-hand threads, 1 in overall length, 0.75 in under-head, steel
Direct OEM replacement upper backing plate bolt for 1964-1974 GM disc brake spindles, using factory-style components. It features 5/8-18 right-hand threads, 1 inch overall length, and 0.75 inch under-head length for proper spindle fitment. Steel construction provides dependable strength and long service life. Compatible with GM A-Body, F-Body, and X-Body platforms (Chevelle, GTO, Cutlass; Camaro, Firebird; Nova, Ventura). Hex-head design allows easy installation with standard hand tools during brake service or restoration. Color: Plain
✅ 5/8-18 right-hand threads
✅ 1 in overall length
✅ 0.75 in under-head length
✅ Steel construction for durability
✅ Direct OEM replacement for 1964-1974 GM disc brake spindles
✅ Fits GM A-Body, F-Body, and X-Body platforms
💡 What is a GM disc brake spindle upper bolt used for on classic GM A-Body, F-Body, and X-Body cars?
Handy for front brake service where factory specs matter.
- maintains correct thread engagement with 5/8-18 RH hardware
- fits 1964-1974 GM A-Body, F-Body, and X-Body spindles
- made of steel and features a hex head for easy tool access
- ensures proper spindle alignment during service