1956-1960 C1 Hardtop Mounting Kit 12 Pieces
Bolt Down the Past – Secure Your Corvette’s Style and Structure.
The classic removable hardtop was a signature feature of the 1956–1960 Corvette C1—sleek, sculpted, and smartly engineered. But without the proper mounting hardware, that iconic top is just dead weight in your garage. This 12-piece Hardtop Mounting Kit gives you everything needed to attach your hardtop securely to your decklid—exactly as Chevrolet intended.
Designed to match OEM specifications, this kit restores structural stability and eliminates annoying movement, misalignment, or rattling. It also helps prevent wear to surrounding trim and paint by ensuring a proper seal and solid fit.
Whether you're reinstalling a period-correct top or finishing a full restoration, this kit delivers performance and precision down to the last nut and bolt.
- Includes all fasteners to attach hardtop to decklid
- 3 Hardtop Hold Down Bolts – precision-machined for secure, torque-holding installation GM# 3727973
- 3 Hardtop Hold Down Anchor Threaded Inserts – designed to anchor directly into decklid structure GM# 3727928
- 3 Hardtop Hold Down Anchor Threaded Insert Jam Nuts – locks the system tight GM# 272123
- 3 Rubber Gaskets – protects mounting surfaces and reduces vibration
Why It Matters:
Without this hardware, your hardtop is unstable—and potentially unsafe. Over time, missing or corroded fasteners can cause alignment issues, water leaks, and body panel stress. This kit resolves all of that in one convenient, correct package.
Material & Finish:
All components are manufactured to meet or exceed original specifications, with corrosion-resistant finishes to ensure long-term durability and protection from the elements.
Fits:
1956, 1957, 1958, 1959, and 1960 Chevrolet Corvette C1
Don’t trust a 60-year-old bolt to hold onto your hardtop—upgrade today.
Order now and bring back the confidence, safety, and style your C1 deserves.
Also known under these part numbers: (For reference only)