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$43.99
Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch
Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch

Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch

5" Spring Diameter, 1"-8 Thread Pitch, Steel, Painted

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Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch
Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch
Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch
Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch
Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch
Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch
Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch
Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch
Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch
Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch
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Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch
Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch
Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch
Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch
Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch
Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch
Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch
Lightweight Extended Weight Jack Plate Assembly Kit, 1 Inch
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Part # 9108978
$43.99
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  • Lightweight laser cut steel design
  • For use with 5" O.D. springs
  • 5 inches of extended webbing to help keep springs in place
  • Spud and jam nut to help eliminate spring-to-jack bolt misalignment and spring binding
  • IMCA Approved

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Details

Spring Diameter:
5"
Thread Pitch:
1"-8
Material Type:
Steel
Finish:
Painted
Sold in Quantity:
Kit

Info

Kit Includes:

  • (1) Lightweight Extended Weight Jack Plate
  • (1) Weight Jack Bolts, Coarse Thread, 1 Inch
  • (1) Steel Hex Jam Nut, 1 Inch Weight Jack Bolt, Zinc Plated

 

Lightweight Extended Weight Jack Plate

  • 5 inches of extended webbing to help keep springs in place and to prevent unwanted chassis changes on the track under race conditions
  • Special 1", -8 welded spud allows the plate to be locked to a weight jack bolt with a jam nut to help eliminate spring-to-jack bolt misalignment and spring binding during normal suspension travel
  • Perfect for Sport Mods with an extreme left rear hike
  • Lightweight laser cut steel design
  • For use with 5" O.D. springs
  • IMCA Approved

 

Weight Jack Bolts, Coarse Thread, 1 Inch

  • Replacement weight jack bolt
  • Coarse thread
  • Cad plated for corrosion resistance
  • Includes a hole at the bottom for a cotter pin
  • 1.000" diameter is 8" long
  • IMCA Approved

 

Steel Hex Jam Nut, 1 Inch

  • Grade A jam nuts are low profile compared to a standard nut
  • Zinc plating, retards the corrosion rate in a normal atmosphere
  • Steel
  • 1" Diameter
  • 8 RH coarse thread
  • .547 thick
  • 1-1/2" wrench size
  • Specification: ANSI B18.2.2
  • IMCA Approved

 

Important Messages

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

What's In The Kit

Each kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
  • Speedway Lightweight Extended Weight Jack Plate
    Qty x 1
  • Replacement Weight Jack Bolts, Coarse Thread, 1 Inch Bolt Diameter
    Qty x 1
  • Steel Hex Jam Nuts, 1 Inch Weight Jack Bolt, Zinc Plated
    Qty x 1

Reviews

Q & A

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  • Whether you are looking to change the look of your truck, get rid of your tired rusty springs, or upgrade the ride quality of your truck, Speedway Motors has you covered with stock height and lowered spring options.
  • Follow this guide on how to install a splined sway bar for GM A-body applications. See the installation process on a '68 Chevelle frame using stock control arms and factory chassis bolt and pad locations.

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