Coil springs have a free height of 13", Features a conventional 5" outside diameter, These Springs come in a silver finish, They are available in several spring rates to custom fit your project, The revolutionary design allow for optimization of the total vehicle performance on many Circle Track vehicles and applications
Hyperco 18S-325 Conventional Spring, 13 Inch Rear, 325 Lb Rate
Sku # 444183-325
Mfr. Part # 18S-325
Details
Conventional Springs are high-performance, aftermarket suspension springs primarily used in motorsports and motor racing. The OD (outer diameter) size and free length, along with Hyperco’s Dynamic Travel Response spring design, allow for optimization of the total vehicle performance on many Circle Track vehicles and applications.
Unlike Coil-Over Springs that are available in a multitude of free lengths, Conventional Springs are limited in their free length offerings, often as a result of the sanctioning bodies and rules. The Engineers at Hyperco decided to analyze the dynamic characteristics essential to Conventional Spring performance. That data resulted in the development of the Dynamic Travel Response spring design concept.
Working within the limitations and rules, the Dynamic Travel Response design allows all springs to exceed the performance requirements for travel and rate linearity, and is still designed with significantly less physical weight.
- 5" OD rear conventional springs
- 13" Free Height
- Both ends closed and ground
- Available Spring Rates:
- 100
- 125
- 150
- 165
- 175
- 200
- 225
- 250
- 275
- 300
- 325
- 350
- 375
Specs
Progressive Rate Spring
No
Coil Spring End (A)
Square
Coil Spring End (B)
Square
Spring Rate Range
300 - 399 lbs.
Tech Support
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted
source for specialty rodding and racing products and friendly expert
advice for more than 74 years. Founded in 1952 by “Speedy” Bill
Smith – a racer and street rodder himself – Speedway has grown from a
one-man operation to become the world’s largest manufacturer, distributor
and retailer of street rod and racing products. Our industry-leading
fast delivery is the result of same-day shipping from our state-of-the-art,
centrally located 500,000 sq. ft. headquarters. Speedway’s size offers
customers unmatched product selection and low pricing, while our excellent
technical support and customer service have made us a recognized leader
in the rodding and racing industries.
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