GR350 Ultimate Street Performance Suspension System with Windsor Motor and 9" ('64-'66) Includes: Front: K member, Lower C/Arms,, Upper Control Arms, Mini Towers, Tower Brackets, Upper Ball Joint/Spindle Adapters, Nascar Style Front Anti-Roll Bar, Coil-Over Griggs/Koni 30 Series Adjustable Shocks, 650# Spring Rate, Lower Steering Shaft w/ column adapter(requires 67up or aftermarket column, SN95 spindles and Hubs, Bumps Steer Kit. Requires SN95 Steering Rack, Spindles, and Hubs Rear: EMFK 1000C 66 Subframe Connector Set w/ Integral Lower C/arm mounting, EMCA 6000 Aluminum Rear Lower C/arms, Severe Duty TorqueArm to Fit 9", Upper Shock Mount Frame, Rear Griggs/Koni 30 Series Coil Over Shocks, 250# Springs, EMWL 9000R67 Watts Link Kit to Fit 9" rears.