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Welder Series Chassis Parts

We’ve been a trusted name in rodding since 1978.

Our history is rooted in hands-on hot rod building and design, spanning almost 5 decades and three generations. This is a collection of our most common parts. For the complete selection, please see the full category: https://hortonhotrodparts.com/products/Chassis-Parts

We do custom work regularly. Please get in touch if you'd like to talk about a unique bracket, kit, or manufacturing solution.

Mustang II

Mustang II Crossmember Kit for Coil Overs or ShockWaves
C$310.00
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Mustang II Crossmember Kit, for Coil Springs
C$345.00
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New
Mustang II Crossmember Kit, for Air Bags
C$450.00
Buy Now
Mustang II Parts
Mustang II Parts
C$500.00
Buy Now

Rear Suspension

Parallel Rear Four Link Kit
C$525.00
Parallel Rear Four Link Kit, 2x4 Frame Brackets
C$540.00
Triangulated Rear Four Link Kit
C$440.00
Triangulated Rear Four Link Package, for Air Springs
C$576.00
Parallel Rear Four Link Package, for Air Springs
C$685.00
Triangulated Four Link Kit for 8.8 or GM
C$490.00
Four Link Kit - Pro Street
C$500.00
Sold out
Proma Star Coilover Shock, Single Adjustable, 10-1/8" to 14", Bearing Mount
C$445.80
PARALLEL REAR FOUR LINK KIT, separate 4-link/coil over brackets
C$525.00
Axle Bracket Kit, for coil overs
C$94.00

Air Ride

Air Bag Plate, 5-1/2" diameter
C$9.36
Air Spring Frame Bracket
C$29.50
Air Spring Axle Bracket
C$30.00
Air Spring Mounting Plate
C$9.00
Four Link Axle Bracket Kit for F9000 Air Springs, PR
C$120.00
98C Compressor, Viair with lead
C$141.67
Carteeair SQ395 Air Compressor
C$375.00
Carteeair X275 Air Compressor
C$208.33
Pressure Switch for Air Ride; On 110 Off 145
C$20.00
Relay, 40 amp
C$7.50
Air Line Cutter
C$9.95
Safety Valve for Air Ride, 155 PSI, 1/4NPT
C$16.66
Air Ride Check Valve, 1/8NPT M/F
C$20.83
Fitting; 1/4NPTM - 1/4NPTF 90 deg
C$3.54
Momentary Push Button Switch, White, 19mm
C$8.95
Air Tank, 8" Long x 4" OD, Black, 1/4" NPT both ends
C$133.33
Manifold for Air Ride, 2 Corner, 4 Valve
C$105.00

Sway Bar Kits

Front Sway Bar Kit for 2" Wider Mustang II IFS, 45-1/2"
C$469.77
Front Sway Bar Kit for Narrowed Mustang II IFS, 42-1/4"
C$440.80
Front Sway Bar Kit for Stock-Width Mustang II IFS, 43-1/2"
C$457.85
Sold out
Front Sway Bar Kit for 4" Wider Mustang II IFS, 47-1/2"
C$470.17
Sway Bar Kit, Trim to Fit, 3/4" Bar
36" and 45" lengths, select options to build complete kit.
C$177.00
Sway Bar Kit, Trim To Fit, 1" Bar
C$259.00

Boxing Plates

Boxing plate; Tower fill piece;MII in 48-52 F1; ea
C$8.74
Mustang II Boxing Plate; 1933-34 Car, EA
C$35.00
Mustang II Boxing Plate; 47-54/5 Chev PU; Front, EA
C$59.00
Model A MII crossmember boxing plate
Model A MII crossmember boxing plate
C$5.10
Mustang II Boxing Plate; 1935-40 Ford car, ea
C$25.00
Mustang II Boxing Plate; 1948-52 F1 Pickup, EACH
C$35.00
Mustang II Boxing Plate; 1954 1/2 - 59 Chev Pickup, EACH
C$35.00
Mustang II Boxing Plate; 35-40 Ford car & 35-41 pickup, EA
C$35.00
Boxing Plates; 1935-40 Ford
C$352.00
Mustang II Boxing Plate; 1953-56 F100, EA
C$35.00
Boxing Plates; 1933-34 Ford
C$352.00
Boxing Plates; 1932 Ford
6 piece set
C$352.00
Boxing Plate for 2" x 3" Tube
C$2.95
Triangulated four link upper boxing plate; Dodge D100 1961-71, EA
C$12.00
Front frame boxing plate, 1961-71 Dodge D100
C$35.00
Mustang II Crossmember Boxing Plate
6-1/2" x 3-1/2"
C$9.15
Mustang II Upper Tower Boxing Plate
6-3/4" x 2-3/4"
C$6.00
Front frame boxing plate, 1948-53 Dodge 1/2 ton PU
Front frame boxing plate, 1948-53 Dodge 1/2 ton PU
C$72.00
Boxing Plate; 23" x 7-1/2" x 3/16"
C$35.00

Handy Parts

Louvered Panels, EA
Make things cooler!
C$18.50
Urethane Bushing Kits
C$10.92
Urethane Bushing Half
Made in the USA
C$3.61
40 @ 40% off!
Unholes
C$0.85
Urethane Bushing Outer Tube
C$6.25
Alternator Mount Tensioner
C$12.50
40 @ 40% off!
Gusset, 3" x 2-1/4"
C$3.50
Gusset, 6" x 3"
C$7.00
Model A Rear Body Mount
C$6.99
Driveshaft Loop Plate
C$48.00
Welder Series Original!
Model A Hood Latch Bracket
C$6.88
Flat Crossmember Center Plate
C$7.54
40 @ 40% off!
Formed Mount
C$10.38
Formed Notch Plate
C$31.00
Boxing Plate; 23" x 7-1/2" x 3/16"
C$35.00
Mustang II Upper Tower Boxing Plate
6-3/4" x 2-3/4"
C$6.00
Frame Bracket Sideplate
C$5.00
40 @ 40% off!
Frame Tab
10 ga, 1-1/8" from hole to edge
C$3.00
40 @ 40% off!
Frame Tab
3/16", 1-1/8" from hole to edge
C$4.30
40 @ 40% off!
Frame Tab
10 ga, 7/8" from hole to edge
C$3.00
Show All Products

Model A Parts

Model A Mustang II crossmember kit
C$525.00
Model A Parallel Rear Four Link Kit
Available for stock and aftermarket frame rails
C$490.00
Welder Series Original!
Model A Hood Latch Bracket
C$6.88
Welder Series Original!
Model A Body Mount
C$6.35
Model A Triangulated Rear Four Link Kit
C$490.00
Model A Rear Body Mount
C$6.99
Rectangular Tube, 40" Long, Many Sizes
C$89.91
Master Cylinder Mount, Model A
C$179.00
Model A Rear Four Link Frame Bracket
C$36.00
Model A Rear Crossmember
C$135.00

Frame Curves

Frame Curves
C$49.50
Rectangular Tube, 40" Long, Many Sizes
C$89.91

Transmission Mounts/ Crossmembers

Transmission Crossmember Kit
C$145.00
Transmission Mount Saddle Kit
C$64.00
Simple Transmission Mount Kit
For GM or Ford Insulators
C$37.60
Transmission Mount Kit, GM T350
C$90.64
GM Transmission Insulator, rubber or polyurethane
C$23.00
Center Section Kit
C$495.00
Transmission Mount Kit - GM T400 & universal
C$57.00
Ford C4 & Mopar Transmission Adapter Plate
C$16.50
Transmission Mount Kit, for Tubular Center Section
C$78.00
Transmission Crossmember; 1936 Chev Car
C$325.00
Sold out
Trans-Dapt Performance Universal Transmission Crossmember, 6" Drop, 26"–36" Frame Width (9424)
C$184.00
Transmission Crossmember Assembly, Welded
C$76.00
NEW
Simple Transmission Mount Kit, 4” Longer
C$21.00
NEW
Transmission Mount, Welded Tube w/Bushings & Frame Plates
C$130.00
End flange for transmission mount kits
C$5.00
Trans-Dapt Performance Universal Transmission Crossmember, No Drop, 26"–36" Frame Width (4538)
C$182.00
Trans-Dapt Performance Universal Transmission Crossmember with Mount, 3" Drop, 26"–36" Frame Width (4559)
C$193.00
Transmission mount saddle, welded
C$57.00
TUBE; HSS; 1-1/2 X 1-1/2 X .125 46" LONG
C$62.00
1928-32 Ford Front Crossmember, Deuce Factory Style
C$143.08
Show All Products

Notches

Rear C Notch Fill Piece
C$27.00
Formed Notch Plate
C$31.00
Front C Notch Fill Piece for Rack, EA
C$24.00
Front C Notch Fill Piece for Spring
C$8.74
Welded or Ready To Weld
Step Notch Kit, Universal, PR
C$159.00
Step Notch Kit Pieces
C$11.00

Thanks for your business.

Every customer is different—and that’s exactly why they’re called customers. There’s no single formula that works for everyone. Some people want detailed descriptions, others prefer videos, and some need parts fabricated or welded to suit their project. Our approach has always been simple: meet people where they are, listen carefully, and treat every customer the same way we would want to be treated ourselves. That philosophy has guided how we do business from the very beginning and continues to shape everything we do today.

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