Progressive Automotive, Parallel 4-bar

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Parallel 4-bar Rear Suspension and Parts

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Call (740) 862-4696 for your needs!

Our Parallel 4-bar kits come complete with lower bars, upper bars, all weld-on bracketry and mounting hardware. These bars are made from heavy wall, seamless 1" tubing, 3/16"wall thickness (not a bigger diameter tube with a thinner wall thickness) and include urethane bushings! These kits are desined for 8" or 9" Ford rear ends.

Kit includes front bar mounts, rear axle/bar mounts and all needed hardware................... PA-P4B.............$429.00

Optional Parts

Panhard bar kit , for 8" Ford, 9" Ford, 83/4"Chrysler or 1955-57 Chevy/1953-62 Corvette rear ends. Included bar, frame mount, axle mount and all needed hardware. PA-PHB................$119.00

*For rear coil-over mounting crossmember and hardware (add).....PA-RCC..............$69.00

*Note: Rear crossmember is wide enough to weld to the inside of the frame rails on factory un-boxed frames.

For plain Aldan coil-overs, machined aluminum body/black springs (add)...PA-LNK-CO...$440.00/pr.

For Aldan coil-overs, polished aluminum body/black springs (add)...PA-LNK-COP...$525.00/pr.

For Air Ride Technologies single adjustable "Shockwaves"........................P4B-SWK-SA....add $845.00/pr.

For Air Ride Technologies double adjustable "Shockwaves"........................P4B-SWK-DA....add $1,115.00/pr.

For Air Ride Technologies single adjustable "Shockwaves" with Internal Ride Height sensor........................P4B-SWK-SI....add $1,205.00/pr.

For Air Ride Technologies single adjustable "Shockwaves" with Internal Ride Height sensor........................P4B-SWK-DI....add $1,475.00/pr.

For polished 304 Stainless 4-bars & panhard bar, in place of steel bars (add).....P4B-UG-SS..............add $685.00

For Black powdercoated 4-bars & panhard bar, (add)..........P4B-UG-PCB.........add $157.00

PA-P4B kit shown

Laser cut and TIG welded for precision and strength

4-bar kit with PA-LNK-CO, PA-PHB shown in 1953-56 Ford Truck chassis