Firestone Coil Rite Air Spring Bag Model 4107 CR 4107 COIL-RITE
[F039-4107]

Coil-Rite™ air helper springs mount inside an existing open coil spring suspension. These air springs provide adjustable spring rates far superior to the standard coil spring. The durable polyurethane air springs will support 500-1,000 lbs per set*.
Coil-Rite air helper springs are made of durable polyurethane to withstand the rigors of coil-sprung suspensions.

Fits:
85-96 Electra (not SW)
86-99 LeSabre FWD
85-96 Park Avenue (not SW)
85-93 Coupe Deville, Fleetwood, Sedan Deville, Touring Sedan (FWD)
98-07 Crown Victoria (with rear coil springs)
98-07 Grand Marquis
85-99 Delta 88, 98 (FWD)
96-01 LSS
87-99 Bonneville (FWD)