1941-48 Chevrolet Car Frames & Chassis by Progressive Automotive

1947 Chevrolet convertible featuring Progressive Automotive chassis
1947 Chevrolet convertible featuring Progressive Automotive chassis

 These frames & rolling chassis are designed to fit 1941 Master De Luxe/Special De Luxe, 1942 Fleetline/Fleetmaster/Stylemaster, 1946 Fleetline/Fleetmaster/Stylemaster, 1947 Fleetline/Fleetmaster/Stylemaster and 1948 Fleetline/Fleetmaster/Stylemaster Chevrolet cars. Progressive Automotive takes pride in manufacturing their products at their shop in Baltimore, Ohio, U.S.A. emphasizing our commitment to quality and craftsmanship.

 Our hot rod frames feature our new boxed frame rails, constructed from 10-gauge (true 1/8”) sheet steel. Our rails mimic the original shape, contours and widths of the original frame, unlike mandrel bent box tube. The rails are fully welded, and the corner welds smoothed.

 Unlike the original Chevrolet frame, our street rod frames & chassis incorporate our designed tubular crossmember. Not only does this create a stronger frame, but it allows room for modern transmissions.

 Many other chassis options are available, such as Custom-built ride heights, Air ride, Wilwood brake upgrades, new 3rd members, etc. Call or email for information and pricing for your specific needs.

Example of bare frame, contact us for a quote.

 Bare 1941-48 Chevrolet frame with boxed rails, radiator support crossmember, tubular X-member with automatic transmission mount, body mounts spot welded in place, rear coil-over crossmember and bumper mounting holes. Starting at $7,155

Example of rolling chassis, contact us for a quote.

 1941-48 Chevrolet frame, with Tubular X-member, Chevy motor mounts, Automatic Transmission mount, Brake pedal with vacuum booster/hydraboost mount, Tubular Coil-Spring IFS, disc brakes with cast iron calipers, new manual rack & pinion (power rack upgrade available), front sway bar, and one of the following rear suspension:

 Triangulated 4-bar with R-joints, Ride Tech HQ rebound adjustable coil-overs, new 9″ Ford housing, axles and disc brakes with black Lokar parking brake cables. 9″ Ford 3rd member is optional.                $18,065

 Narrowed rear frame rails, 2″ each side, Parallel 4-bar with R-joints, Ride Tech HQ rebound adjustable coil-overs, new 9″ Ford housing, axles and disc brakes with black Lokar parking brake cables. 9″ Ford 3rd member is optional.                $19,650

 Rear rails narrowed up to 23″ wide, 4-Link with R-joints, Ride Tech HQ rebound adjustable coil-overs, new 9″ Ford housing, axles and disc brakes with black Lokar parking brake cables. 9″ Ford 3rd member is optional.                $20,120

 C4 Corvette suspended 1941-48 Car frame, with Tubular X-member, Chevy motor mounts, Automatic Transmission mount, Brake pedal with vacuum booster/hydraboost mount, *Specify 1984-87 or 1988-96 Corvette front suspension brackets, new power rack & pinion, front sway bar, front & rear Ride Tech HQ rebound adjustable coil-over, narrowed rear frame rails, *Specify 1984-87 or 1988-96 Corvette rear brackets for *narrowed hub width, new cover bushings, half shaft u-joints and steel camber bars. *1984-87 Rear end can be narrowed to 58.5″ hub width, *1988-96 Rear end can be narrowed to 59.5″ hub width. For customer supplied Corvette parts                $19,650

BW’s LSA motored Chevy
Progressive Automotive 1941-48 Chevrolet chassis with Tubular IFS, sway bar & Ride Tech HQ coil-overs
Progressive Automotive 1941-48 Chevrolet chassis with Tubular IFS, sway bar & Ride Tech HQ coil-overs
Progressive Automotive 1941-48 Chevrolet chassis with Tubular IFS
Progressive Automotive 1941-48 Chevrolet chassis with Tubular IFS
Progressive Automotive 1941-48 Chevrolet chassis with Triangulated 4-bar
Progressive Automotive 1941-48 Chevrolet chassis with Triangulated 4-bar
Progressive Automotive 1941-48 Chevrolet chassis with Triangulated 4-bar, Ride Tech HQ ShockWaves and Wilwood brakes
Progressive Automotive 1941-48 Chevrolet chassis with Triangulated 4-bar, Ride Tech HQ ShockWaves and Wilwood brakes
Progressive Automotive 1941-48 Chevrolet chassis with optional parts
Progressive Automotive 1941-48 Chevrolet chassis with optional parts
1947 Chevrolet coupe featuring Progressive Automotive chassis
1947 Chevrolet coupe featuring Progressive Automotive chassis
Progressive Automotive 1941-48 Chevrolet chassis with brake pedal & optional parts
Progressive Automotive 1941-48 Chevrolet chassis with brake pedal & optional parts
Progressive Automotive 1941-48 Chevrolet chassis with rear frame rails narrowed more than 2”/4-Link
Progressive Automotive 1941-48 Chevrolet chassis with rear frame rails narrowed more than 2”/4-Link
Progressive Automotive 1941-48 Chevrolet chassis with rear frame rails narrowed more than 2”/4-Link & optional parts
Progressive Automotive 1941-48 Chevrolet chassis with rear frame rails narrowed more than 2”/4-Link & optional parts
Progressive Automotive 1941-48 Chevrolet chassis with optional parts
Progressive Automotive 1941-48 Chevrolet chassis with optional parts
Progressive Automotive 1941-48 Chevrolet chassis with optional parts
Progressive Automotive 1941-48 Chevrolet chassis with optional parts
Progressive Automotive 1941-48 Chevrolet chassis with optional parts
Progressive Automotive 1941-48 Chevrolet chassis with optional parts
1947 Chevrolet convertible featuring Progressive Automotive chassis
1947 Chevrolet convertible featuring Progressive Automotive chassis
C.W.'s Chevrolet
C.W.’s Chevrolet

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