[Mr70]

The springs that a hood hinge is holding are what mattered,so be sure you check into which one they have as well.To answer a few emails,here are just two pertaining to Erics' own vehicle..
Spring #3848272 is 8-25/64" long free sitting with 27-3/4 coils used on:
*1963-64 Chevy II
*1963-65 Chevelle
*1964-66 Impala series
*1966-67 Chevelle w/SuperSport
*1967-69 Camaro w/350cid or 396cid.
*1970 Impala series
*1971-72 Monte Carlo inc.Elcamino Custom
*1970-72 Chevelle w/Supersport or HeavyChevy pckg.

Spring #3864680 is 8-13/32" long free sitting with 24 coils used on:
*1965 Chevy II
*1966-67 Chevelle w/o SuperSport
*1968 Chevelle 2nd design
*1968 Impala series
*1969-72 Chevelle w/o SuperSport or HeavyChevy pckg.

I show many dealers around the country still holding inventory on both of these springs,so if anyone needs them let me know.