Frame Re-enforcing Boxing Plate Kits by Progressive Automotive

Progressive Automotive offers Hot Rod, Street rod and truck frame boxing plates that are CNC cut from 10-gauge (.135) steel. These boxing plates provide added strength and reinforcement to the frame rails.

The full boxing plates are cut into four pieces per frame rail for the lowest shipping cost possible.

For those looking for partial boxing plates, Progressive Automotive offers front and rear options. The front partial boxing plates are designed to box the chassis in critical areas such as front suspension attachment points and motor mount placements. They typically start approximately 6″ ahead of the Front Axle Center Line and extend 20″ behind it.

Similarly, the rear partial boxing plates start where the rear suspensions attach and extend to where the shock/coil-over/air ride mounting cross members are located. They generally start approximately 20″ ahead of the Rear Axle Center Line and extend 6″ behind it.

Boxing plates are non-refundable, but Progressive Automotive offers the option to exchange them for custom cut boxing plates based on a provided template.

Progressive Automotive takes pride in manufacturing their products at their shop in Baltimore, Ohio, U.S.A. emphasizing their commitment to quality and craftsmanship.

FL-CTF Full Boxing shown
FL-CTF Full Boxing shown

Chevy:

1931-32 car & 31-33 truck

Full Boxing set     FL-CA     $469

Partial Front Boxing, 26″ long      IFS-32C-BP     $89/pr.

Partial Rear Boxing, 26″ long   RS-CA-BP     $89/pr.

 

1933 Master

Full Boxing set     FL-CB     $469

Partial Front Boxing, 26″ long     IFS-33M-BP     $89/pr.

Partial Rear Boxing, 26″ long     RS-CB-BP     $89/pr.

 

1934-35 Standard car

Full Boxing set     FL-CD     $469

Partial Front Boxing, 26″ long      IFS-34S-BP     $89/pr.

Partial Rear Boxing, 26″ long    RS-CD-BP     $89/pr.

 

1934 Master car

Full Boxing set     FL-CC     $469

Partial Front Boxing, 26″ long     IFS-34M-BPC     $89/pr.

Partial Rear Boxing, 26″ long     RS-CC-BP     $89/pr.

 

1935 Master / 1936 Standard car

Full Boxing set     FL-CE     $469

Partial Front Boxing, 26″ long     IFS-35M-BP     $89/pr.

Partial Rear Boxing, 26″ long    RS-CE-BP     $89/pr.

 

1934-36 truck (1/2 ton, Short bed type)

Full Boxing set     FL-CTB     $469

Partial Front Boxing, 26″ long      IFS-34T-BP     $89/pr.

Partial Rear Boxing, 26″ long     RS-CTB-BP     $89/pr.

 

1937-40 truck (1/2 ton, Short bed type)

Full Boxing set, 1/2 ton, Short bed type     FL-CTC     $469

Full Boxing set, 3/4 ton, Long bed type     FL-CTC-L     $499

Partial Front Boxing, 26″ long      IFS-37T-BP     $89/pr.

Partial Rear Boxing, 26″ long     RS-CTC-BP     $89/pr.

 

1941-46 truck

Full Boxing set, 1/2 ton, Short bed type     FL-CTD     $469

Full Boxing set, 3/4 ton, Long bed type, with customer provided template     FL-CTD-L     $499

Partial Front Boxing, 26″ long     IFS-41T-BP     $89/pr.

Partial Rear Boxing, 26″ long     RS-CTD-BP     $89/pr.

 

1947-53 truck

Full Boxing set, 1/2 ton, Short bed, Start 12 7/8″ from the front, ends 12 5/8″ from rear     FL-CTE     $469

Full Boxing set, 3/4 ton, Long bed type, with customer provided template     FL-CTE-L     $499

Partial Front Boxing, 26″ long      IFS-47T-BP     $89/pr.

Partial Rear Boxing, 26″ long     RS-CTE-BP    $89/pr.

 

1954-55 (1st Series) truck

Full Boxing set, 1/2 ton, Short bed type, Start 12 7/8″ from the front, ends 12 5/8″ from rear     FL-CTEE     $469

Full Boxing set, 3/4 ton, Long bed type, with customer provided template     FL-CTEE-L     $499

Partial Front Boxing, 26″ long      IFS-47T-BP     $89/pr.

Partial Rear Boxing, 26″ long     RS-CTEE-BP     $89/pr.

 

1955 (2nd Series)-59 truck

Full Boxing set, 1/2 ton, Short bed, Start 2″ from the front, ends 9 3/8″ from rear     FL-CTF     $469

Full Boxing set, 3/4 ton, Long bed, with customer provided template     FL-CTF-L     $499

Partial Front Boxing, 26″ long     IFS-55T-BP     $89/pr.

Partial Rear Boxing, 26″ long    RS-CTF-BP     $89/pr.

 

1963-66 C-series truck

Full Boxing set, Short bed (6 1/2′), Starts at front crossmember, ends at rear crossmember   FL-CTH    $469

Full Boxing set, Long bed (8′), Starts at front crossmember, ends at rear crossmember     FL-CTH-L     $499

Partial Front Boxing, 26″ long     IFS-63T-BP     $89/pr.

Partial Rear Short Bed Boxing, 26″ long    RS-CTH-BP     $89/pr.

 

1973-87 C-series truck

Full Boxing set, Short bed, Starts at front crossmember, ends at rear crossmember     FL-CTJ     $469

Full Boxing set, Long bed, with customer provided template     FL-CTJ-L     $499

Partial Front Boxing, 26″ long     IFS-73T-BP     $89/pr.

Partial Short Bed Rear Boxing, 26″ long    RS-CTJ-BP     $89/pr.

 

Fords:

1932 car & 1932-33 (1st Series) truck

Full Boxing set     FL-FB     $469

Partial Front Boxing, 26″ long      IFS-32F-BP     $89/pr.

Partial Rear Boxing, 26″ long     RS-FB-BP     $89/pr.

 

1933-34 car & 1933 (2nd Series)-34 truck

Full Boxing set     FL-FC     $469

Partial Front Boxing, 26″ long      IFS-34F-BP     $89/pr.

Partial Rear Boxing, 26″ long     RS-FC-BP     $89/pr.

 

1935-40 car & 1935-41 truck

Full Boxing set     FL-FD     $469

Partial Front Boxing, 26″ long      IFS-35F-BP     $89/pr.

Partial Rear Boxing, 26″ long     RS-FD-BP     $89/pr.

 

1941-48 Ford

Full Boxing set     FL-FE     $469

Partial Front Boxing, 26″ long      IFS-41F-BP     $89/pr.

Partial Rear Boxing, 26″ long     RS-FE-BP     $89/pr.

 

1942-47 Ford truck

Full Boxing set, 1/2 ton, Short bed type     FL-FTE     $469

Full Boxing set, 3/4 ton, Long bed type, with customer provided template     FL-FTE-L     $499

Partial Front Boxing, 26″ long      IFS-42T-BP     $89/pr.

Partial Rear Boxing, 26″ long    RS-FTE-BP     $89/pr.

 

1948-52 Ford truck

Full Boxing set, 1/2 ton, Short bed, Start 7″ from the front, ends 7″ from rear     FL-FTF     $469

Full Boxing set, 3/4 ton, Long bed, with customer provided template     FL-FTF-L     $499

Partial Front Boxing, 26″ long     IFS-48T-BP     $89/pr.

Partial Rear Boxing, 26″ long     RS-FTF-BP     $89/pr.

 

1953-56 Ford truck

Full Boxing set, 1/2 ton, Short bed     FL-FTG     $469

Full Boxing set, 3/4 ton, Long bed type, with customer provided template     FL-FTG-L     $499

Partial Front Boxing, 26″ long     IFS-53T-BP     $89/pr.

Partial Rear Boxing, 26″ long     RS-FTG-BP     $89/pr.

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