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Garage Sale - Mustang II Suspension Front Springs, 350 lbs.
Garage Sale - Mustang II Suspension Front Springs, 350 lbs.

MUSTANG II FRONT SPRINGS

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Garage Sale - Mustang II Suspension Front Springs, 350 lbs.
MUSTANG II FRONT SPRINGS
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Part # UP73320
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Important Messages:

  • This product is discontinued.
  • This item ships directly from the manufacturer. It may take an additional business days for Speedway to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
  • This item UP73320 is made to order. It will be shipped from our warehouse when it is produced.

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These are garage sale priced because they are beat up.

No Warranty, No Returns on Garage Sale Items  

 

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
  • 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 had 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.

Specs

Material Type:
Steel
Sold in Quantity:
Pair
Finish:
Powder Coated
Color:
Black
Coil Spring End (A):
Square
Coil Spring End (B):
Pigtail
Progressive Rate Spring:
No
Wire Diameter:
.61
Free Height:
13.50
Spring Rate:
350
Some parts are not legal for use in California or other states with similar laws/regulations

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