- Correct Reproduction
- Hardened Bolts & Nuts
- Replaces original GM Part #: bolt, nut, bumper 3973952
Accurate reproduction. Hardened bolts and jamb nuts with rubber bumpers provide
adjustment for rear hood height and as a safety catch for hood hinges in the event of a
hard front end crash. These bolts properly adjusted will lock into the hood hinges and
keep the hood from the windshield. GM Part #: bolt, nut, bumper 3973952
