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$89.99
Mustang II Front Springs, 400 lb. Spring Rate, 13.5 Free Height
Mustang II Suspension Front Springs

Mustang II Front Springs, 400 lb. Spring Rate, 13.5 Free Height

74-78 Ford Mustang II, 74-80 Ford Pinto, 75-80 Mercury Bobcat, Front Position, Steel, Black

47 Reviews | 36 Answered Questions
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Lincoln, NE -
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Mustang II Suspension Front Springs
Mustang II Suspension Front Springs
Mustang II Front Springs, 400 lb. Spring Rate, 13.5 Free Height
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Mustang II Suspension Front Springs
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Part # 917230-400
$89.99
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  • Feature a powder coated finish for increased longevity and corrosion prevention
  • Made to OEM specs with a 3.5" ID and 13.5" free height
  • Available in spring rates from 275 to 425, in 25 lb. increments, allowing you to fine tune your ride quality
  • Features a square spring end for the upper hat side ensuring a flush fit for proper compression and alignment
  • Features a pigtail spring end for the control arm side, allowing it to be trimmed to fit your setup

Details

Position:
Front
Spring Rate Range:
400 - 499 lbs.
Spring Rate:
400 lbs.
Free Height:
13.50"
Inside Diameter:
3.50"
Material Type:
Steel
Finish:
Powder Coated
Color:
Black
Progressive Rate Spring:
No
Coil Spring End (A):
Square
Coil Spring End (B):
Pigtail
Diameter Big End:
4.6"
Diameter Small End:
4.6"
Wire Diameter:
0.63"
MFG. Part #:
917230-400
Sold in Quantity:
Pair

Info

Our Mustang II springs come in rates from 275 thru 425 and in 13.5” free height/length. They will require cutting to the necessary length on the majority of applications. For the heavier vehicles such as full size pickup trucks and fat fendered cars the spring rate used will normally be in the 350-400 range. With Small Block and automatic a common rate is 375 to 400 and with the addition of A/C or a big block you will need to compensate for the additional weight and go to the next higher rate. Frame boxing and plating, accessories, and fuel tank size all play a part in selecting spring rate. When vehicle is sitting at ride height ready for test drive the lower control arms should be parallel with the ground or pointing down at a slight angle on the outer ends. The springs will settle some in the first couple of hundred miles so allowance for this should be made.

  • Powder coated gloss black
  • 13.5" spring length
  • 3.50" inside diameter
  • Use the spring chart below to select proper rate

Use the following chart to select your rate:

  • 1200 lb. Front  End Weight = 275 Rate Spring
  • 1300 lb. Front  End Weight = 300 Rate Spring
  • 1400 lb. Front  End Weight = 325 Rate Spring
  • 1500 lb. Front  End Weight = 350 Rate Spring
  • 1600 lb. Front  End Weight = 375 Rate Spring
  • 1700 lb. Front  End Weight = 400 Rate Spring
  • 1800 lb. Front  End Weight = 425 Rate Spring

Notes

Our Mustang II springs that we currently offer are all 13.5” long and require trimming to the length needed for each individual application. Weight rating changes as the spring is shortened. When installing in the vehicle the flat end goes up into the upper hat and the end with the “pigtail” goes down into the lower control arm. Spring is rotated when installing to position the pigtail properly. Springs TOO long will have a tendency to NOT sit properly on the lower arms and actually in some cases bow outward causing spring bind.

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

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