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SKU: 9HT650B | UPC: 806990158239
QA1 2-1/2in ID High Travel Spring - 9in Length x 650lbs/in - Black Powder Coated
This QA1 high travel spring delivers precise 650 lb/in rate in a compact 9in free length with 2.5in ID and 3.875in OD. Designed for universal fit in most coilover shocks and struts on drag cars, street rods, muscle cars, and circle track racers. Its high-tensile chrome silicon construction cuts weight while providing more suspension travel and quicker response for sharper handling.
Key Features
- High Travel Design: Fewer coils and smaller 0.120in wire diameter create larger gaps for greater suspension travel without sacrificing strength
- Weight Reduction: Lighter than standard springs to lower unsprung mass and improve acceleration, braking, and cornering
- Fast Reaction: Reduced mass allows springs to cycle quicker for better shock control and chassis stability
- Black Powder Coat Finish: Resists corrosion and chips for long-lasting appearance in harsh racing environments
- Made in USA: Crafted from high-tensile chrome silicon alloy steel with 5.8 active coils for reliable performance
Product Notes
- Verify shock or strut spring pocket measures 2.5in ID minimum before install
- Avoid extreme heat cycles over 400F to maintain rate consistency
- Handle with care to prevent bending during storage or transport
Installation Notes
- Professional installation recommended.
- Compress spring with tool rated for 650 lb/in rate during assembly
- Compatible with QA1 Pro Coilover systems and other 2.5in ID spring perches. check seat width 2.5in in/out
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Coilover Shocks/Struts | Drag/Street/Race |
| 1967-2024 | Chevrolet | Camaro | Performance Builds |
| 1967-2024 | Ford | Mustang | Performance Builds |
| Universal | Custom | Street Rod | N/A |
Why Choose QA1?
- Proven leader in motorsports suspension components used by top racers
- High-tensile chrome silicon wire ensures consistent rate and height
- Precision wound and tested for exact specs in every spring
Frequently Asked Questions
-
Q: What vehicles does this spring fit?
A: Universal design fits most coilover shocks with 2.5in ID spring pockets on dragsters, muscle cars, street rods, and circle track cars. confirm perch compatibility -
Q: What material and finish are used?
A: High-tensile chrome silicon alloy steel with black powder coat finish for corrosion resistance and durability -
Q: What is the warranty coverage?
A: Lifetime guarantee to stay within 2% of original free height and rate under normal use
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Secure QA1 box approximately 10in x 4in x 4in
- Weight: 2 lbs shipping weight
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