84-96 C4 Corvette IRS rear suspension kit car truck

Progressive Automotive, boxing, plates, ford, chevy, Chevrolet, Plymouth, dodge, mopar, custom chassis, frame, suspension, rolling, hot, Street, Rod, truck, coupe, Sedan, roadster, cabriolet, convertible IFS, Mustang 11, Mustang 2, MII, M2, kit, Corvette, C4, IRS, 4 bar, coilover, air ride — C4 Corvette rear suspension

Our weld-in 1984-96 C4 Corvette IRS rear suspension kits will allow you to bolt your supplied C4 rear end and either Ride Tech Coil overs or ShockWaves for air ride in place. Each weld-in kit is specifically designed per Make & Model for the easiest installation for the do it yourself builder.

Frames that are 40″ wide or narrower use bracket kits.

Frames over 40″ wide are new rear frame sections, to keep the suspension from binding.

We also custom build for non-stock frames and most vehicles not listed. See the bottom of the page for some examples. Tech Sheets can be found in our Tech Info section at the top or left side of the screen. Vehicles must have trim-able inner fender panels for upper control arm clearance.

Additional parts for C4 Corvette rear kits listed at the bottom of this page. We also custom build for non-stock frames or most vehicles not listed. Tech Sheets can be found in our Tech Information section. Proudly manufactured at our shop in Baltimore Ohio.

Optional Parts are listed at the bottom of this page

Bracket Kits, Frames that are 40″ wide or narrower at trailing bar mount locations. include:

(4) Rear Cover mounts with hardware

(1) Urethane bushed pinion support with hardware

(2) Trailing bar connectors with hardware

(2) Upper coil-over mounts with hardware

(2) Lower coil-over mounts with hardware

Chevrolet/G.M. Cars & Trucks

1955-57 Chevy car bracket kit LV-CJ $709

1955 (2^nd Ser.)-59 Chevy truck bracket kit LV-CTF $709

Low 1960-62 Chevy C10 truck bracket kit with adjustable rear frame rails,boxing/coil-overs, LV-CTG $2,039 Note, includes rear frame rails & Ride Tech HQ coil-overs. Required raised bed floor

1963-66 Chevy C10 truck bracket kit for non modified frame with boxing/coil-overs, LV-CTH-S $1,539 Note includes rear boxing plates & Ride Tech HQ coil-overs

Low 1963-66 Chevy C10 truck bracket kit with adjustable rear frame rails,boxing/coil-overs, LV-CTH $2,039 Note, includes rear frame rails & Ride Tech HQ coil-overs. Required raised bed floor

Ford Trucks

1942-47 Ford truck bracket kit LV-FTE $709

1948-52 Ford truck bracket kit LV-FTF $709

1953-56 Ford truck bracket kit LV-FTG $709

Progressive Automotive VRS Bracket kit — Example of Bracket kit shown

New Frame Sections, Frames over 40″ wide, at trailing bar mount location, include new rear frame sections. include:

(1) Assembled rear frame section

(4) Rear Cover mounts with hardware

(1) Urethane bushed pinion support with hardware

(2) Trailing bar connectors with hardware

(2) Upper coil-over/Shockwave mounts with hardware

(2) Lower coil-over/Shockwave mounts with hardware

(2) Urethane Rear Cover Bushings

(2) Adjustable Steel Camber bars with hardware

(1) *Narrowing of Customer’s supplied rear cover with new urethane bushings, half shafts with new universal joints, toe-in adjuster narrowed and new camber bars. *Rear End narrowed to your needed hub width