The Ridetech double‑adjustable bolt‑on 4‑link for 1955–1957 Bel Airs with a one‑piece frame adds tunable rear axle control to classic styling. Kit contents include R‑Joints, double‑adjustable bars, a diagonal link, bolt‑on crossmember, weld‑on axle brackets and installation hardware, finished in black. Shockwaves or coil‑overs are compatible and sold separately.
Ridetech 55-57 Chevy (One Piece Frame) Bolt-On 4-Link Double Adjustable