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Product Summary

Universal Fit, Straight Axle Front Suspension Type

  • Available with either 5 on 4-1/2" or 5 on 4-3/4" bolt pattern with standard brake kit or Wilwood brake kit
  • Brake kits use new rotors and GM metric style calipers
  • The Wilwood brakes increase hub-to-hub width by a total of 1"
  • Leaf springs measure 31-1/4" long x 1-3/4" wide and have a 400 lbs./inch spring rate
  • Brake kit comes with a 9-1/4" vented iron rotor which is .890" thick

Key Specs

MFG. Part #
BrandSpeedway Motors
Front Suspension TypeStraight Axle
Control Arm StyleNot Included
Spring TypeLeaf Spring

Need To Know

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Details

These kits include our gasser straight front axle, semi-elliptical springs, spindles, king pins, steering arms, tierod kit, brake kit, and hardware. Choose either 5 on 4-1/2" or 5 on 4-3/4" bolt pattern with standard brake kit or Wilwood brake kit. Standard brake kits use new rotors and GM metric style calipers. Wilwood brake kit includes dual-drilled hub. Brake lines not included. Shocks not included, but shock mounts are included. Assembly required.

  • 44 Inch

Note: Wilwood brakes increase hub-to-hub width by 1".

Item Details

49-54 Chevy Spindles w/ o/e style rotors/calipers, Specify bolt pattern,
44" Wide axle - 52 1/2" hub to hub.

46" Wide axle - 54 1/2" hub to hub.

48" Wide axle - 56 1/2" hub to hub.

50" Wide axle - 58 1/2" hub to hub.

Wilwood brake kit adds 1" to hub to hub widths above.

  • Not For Off-Road Race Use

Charts

Specs

Gasser Kit w/ "Chevy" Spindles

  • Leaf springs, 31-1/4" long x 1-3/4" wide
    • 6 leaf, 1/4" thick
    • 400 lbs/inch spring rate
  • Chevy-style spindles (forged steel)
    • Modeled after the 1949-54 Chevy passenger car spindle

"Chevy" Spindle Standard Brake Kit

  • 5 x 4-1/2" Ford/Mopar bolt pattern
    • 9-1/4" vented iron rotor, .890" thick
    • Hub flange (hat) diameter - 5.74"
    • 1/2" Fine wheel studs
    • GM Metric '78-'88 calipers, 2-1/2" piston
    • 7/16"-20 banjo bolt to AN-3 line adapter kit
  • 5 x 4-3/4" GM bolt pattern
    • 9-1/4" vented iron rotor, .890" thick
    • Hub flange (hat) diameter - 5.74"
    • 7/16" Fine wheel studs
    • GM Metric '78-'88 calipers, 2-1/2" piston
    • 7/16"-20 banjo bolt to AN-3 line adapter kit

"Chevy" Spindle Wilwood Brake Kit (must use 15"+ wheels)

  • Forged Dynalite 4-piston Calipers
  • 10.75" x .810" Ultralite HP 30 Vane iron rotors
  • Wilwood Polymatrix-D Pads - very high cold friction, high fade/glaze resistance to periodic heat
  • Lightweight anodized aluminum Pro Street hubs
  • 1/2"-20 wheel studs

Guides & Documents

Specifications

KEY SPECS
MFG. Part #
BrandSpeedway Motors
Front Suspension TypeStraight Axle
Control Arm StyleNot Included
Spring TypeLeaf Spring
GENERAL
Suspension Height AdjustmentStock Height
Shock TypeNot Included
FinishNatural
Bolt Pattern
Rotor Diameter
Spindle StyleChevy/GM Custom
Dropped SpindlesNo
Dropped AxleNo
Dropped Control ArmsNo
Front Leaf Spring StyleSemi-Elliptical Gasser
Spindles IncludedYes
Steering IncludedYes
Welding RequiredYes