You could try Deaver Suspension in Santa Ana, CA. They can provide replacements or rebuild yours to stock or
any configuration you require.
Good people to deal with and prices are fair.
Fred


1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine