1-844-F1PARTS | 1-844-317-2787 | sales@formularaceparts.com | About | Contact

1-844-F1PARTS | 1-844-317-2787
sales@formularaceparts.com | About | Contact

Hyperco 2.25" I.D. x 5" Free Length Coilover Spring, 300-3800lbs/in Rate (Choose Rate)
Hyperco 2.25" I.D. x 5" Free Length Coilover Spring, 300-3800lbs/in Rate (Choose Rate) - Image 2
Hyperco 2.25" I.D. x 5" Free Length Coilover Spring, 300-3800lbs/in Rate (Choose Rate) - Image 3
Hyperco 2.25" I.D. x 5" Free Length Coilover Spring, 300-3800lbs/in Rate (Choose Rate) - Image 4

Hyperco 2.25″ I.D. x 5″ Free Length Coilover Spring, 300-3800lbs/in Rate (Choose Rate)

SKU: HYP-185A Categories: , Tags: , , , , , , , Brand:

$101.65

Hyperco 2.25″ I.D. x 5″ Free Length Coilover Springs

Hyperco high-performance coil-over springs, or “Hypercoils” are the benchmark in motorsport suspension. These 2.25″ (57.1 mm) inside diameter, 5″ (127.0 mm) free length springs (Hyperco A series) are precision CNC-wound from premium high-tensile alloy steel and 100% load-tested for accurate, repeatable spring rates that hold true throughout their travel — so the rate on the label is the rate on the car.

Compared to conventional suspension springs, Hyperco coil-over springs provide more usable deflection and weigh less, reducing unsprung and overall vehicle weight. The 2.25″ I.D. suits coilover kits and threaded-body shocks built around a 2.25″ I.D. spring seat (verify your perch/slider).

Choose Your Spring Rate

Select your required spring rate from the dropdown. This 2.25″ x 5″ family is offered in rates from 300 lbs/in (52 N/mm) up through 3800 lbs/in (666 N/mm). Use the rate specified by your chassis setup sheet or suspension tuner. Each spring is sold individually; most applications use them in matched pairs.

Specifications by Rate (Imperial & Metric)

All springs: 2.25″ (57.1 mm) I.D., 5″ (127.0 mm) free length, A series, blue powder-coat finish. Deflection, max load, outside diameter, and solid height vary by rate:

SKU Rate (lbs/in) Rate (N/mm) Deflection (in) Deflection (mm) Max Load (lb) Max Load (kg) O.D. (in) O.D. (mm) Solid Ht. (in) Solid Ht. (mm)
185A0300 300 52.5 3.21 81.5 963 437 3.0 76.2 1.79 45.5
185A0350 350 61.3 3.1 78.7 1085 492 3.034 77.1 1.9 48.3
185A0400 400 70.1 3.007 76.4 1203 546 3.064 77.8 1.993 50.6
185A0450 450 78.8 3.032 77.0 1364 619 3.08 78.2 1.968 50.0
185A0500 500 87.6 3.164 80.4 1583 718 3.285 83.4 1.836 46.6
185A0550 550 96.3 3.097 78.7 1703 772 3.242 82.3 1.903 48.3
185A0600 600 105.1 3.032 77.0 1819 825 3.222 81.8 1.968 50.0
185A0650 650 113.8 3.017 76.6 1961 889 3.343 84.9 1.983 50.4
185A0700 700 122.6 2.937 74.6 2056 933 3.321 84.4 2.063 52.4
185A0750 750 131.3 2.924 74.3 2193 995 3.359 85.3 2.076 52.7
185A0800 800 140.1 2.889 73.4 2311 1048 3.385 86.0 2.111 53.6
185A0850 850 148.9 2.811 71.4 2389 1084 3.28 83.3 2.189 55.6
185A0900 900 157.6 2.794 71.0 2514 1140 3.346 85.0 2.206 56.0
185A0950 950 166.4 2.711 68.9 2576 1168 3.248 82.5 2.289 58.1
185A1000 1000 175.1 2.608 66.2 2608 1183 3.27 83.1 2.392 60.8
185A1100 1100 192.6 2.666 67.7 2932 1330 3.38 85.9 2.334 59.3
185A1200 1200 210.2 2.611 66.3 3133 1421 3.4 86.4 2.389 60.7
185A1300 1300 227.7 2.599 66.0 3379 1533 3.538 89.9 2.401 61.0
185A1400 1400 245.2 2.541 64.5 3558 1614 3.519 89.4 2.459 62.5
185A1500 1500 262.7 2.498 63.4 3746 1699 3.535 89.8 2.502 63.6
185A1550 1550 271.4 2.484 63.1 3850 1746 3.494 88.7 2.516 63.9
185A1600 1600 280.2 2.458 62.4 3933 1784 3.555 90.3 2.542 64.6
185A1700 1700 297.7 2.426 61.6 4123 1870 3.582 91.0 2.574 65.4
185A1750 1750 306.5 2.391 60.7 4183 1897 3.535 89.8 2.609 66.3
185A1800 1800 315.2 2.357 59.9 4243 1925 3.49 88.6 2.643 67.1
185A1850 1850 324.0 2.31 58.7 4273 1938 3.44 87.4 2.69 68.3
185A1900 1900 332.7 2.346 59.6 4457 2022 3.573 90.8 2.654 67.4
185A2000 2000 350.3 2.321 59.0 4643 2106 3.611 91.7 2.679 68.0
185A2100 2100 367.8 2.185 55.5 4590 2082 3.468 88.1 2.815 71.5
185A2200 2200 385.3 2.252 57.2 4955 2248 3.6 91.4 2.748 69.8
185A2400 2400 420.3 1.773 45.0 4254 1930 3.55 90.2 3.227 82.0
185A2600 2600 455.3 1.758 44.7 4570 2073 3.531 89.7 3.242 82.3
185A2800 2800 490.4 1.846 46.9 5169 2345 3.571 90.7 3.154 80.1
185A3000 3000 525.4 2.074 52.7 6222 2822 3.624 92.0 2.926 74.3
185A3800 3800 665.5 1.925 48.9 7314 3318 3.645 92.6 3.075 78.1

Metric values are converted from Hyperco’s published imperial specifications (1 lb/in = 0.175 N/mm; 1 in = 25.4 mm; 1 lb = 0.454 kg) and rounded.

Features

  • Nominal 2.25″ (57.1 mm) inside diameter, 5″ (127.0 mm) free length
  • Hyperco A series, blue powder-coat finish
  • Precision CNC-wound, 100% rate-tested and validated
  • High-tensile alloy steel; corrosion-resistant finish
  • Lifetime warranty against loss of free height beyond Hyperco spec
  • Proudly made in the USA — trusted in NASCAR, IndyCar, and pro road racing

Need a rate not shown, a different free length or I.D.? Contact us — we can get the full Hyperco range.

SKU: HYP-185A Categories: , Tags: , , , , , , , Brand:

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