Bolt-On Parallel 4-Link Coil-Over Suspension for 1963-1972 Chevrolet C10 Pickups - Includes: bolt-on or weld-in axle brackets, panhard bar locater, factory-valved coil-over shocks, and coil-springs. Bare metal finish. Options: Watts link for 10- or 12-bolt rearend, single- or double-adjustable coil-over shocks, and choice of spring rate based on vehicle load (Light - 175 lb/in, Baseline - 200 lb/in, Heavy - 250 lb/in).