SKU: 9HT400 | UPC: 806990112613
QA1 2-1/2in ID High Travel Spring – 9in Length x 400lbs/in – Silver Powder Coated
QA1 9HT400 delivers a high travel coil spring built for performance coilover setups in drag racing circle track and street applications. With 2-1/2 inch inner diameter 9 inch free height and 400 lb/in rate this chrome silicon spring cuts unsprung weight for quicker response and extended travel. Silver powder coat finish ensures durability while squared and ground ends provide precise seating.
Key Features
- High Travel Design: Larger spacing between coils allows greater compression without coil bind preserving rate and height for consistent handling
- Chrome Silicon Construction: High-tensile alloy wire with cold wound heat treated and shot peened process delivers strength consistency and fatigue resistance
- Silver Powder Coat Finish: Protects against corrosion and wear while maintaining light weight for optimal suspension performance
- Squared and Ground Ends: Ensures flat consistent contact in coilover assemblies for accurate operation and longevity
- Marked Specifications: Free length and rate etched on spring for fast identification during installs or maintenance
Product Notes
- Compresses to full bind without rate change or height loss under normal use
- Lighter design reacts faster to bumps and inputs reducing overall vehicle weight
- Store in dry area to preserve powder coat integrity
Installation Notes
- Professional installation recommended.
- Verify coilover outer diameter exceeds 2-1/2 inches for proper fit
- Compatible with most 2.5 inch ID coilover shocks use provided spacers if needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Performance | Coilover Suspension | Drag Circle Track Street Rod |
| Universal | Racing | Custom Setups | 2.5in ID Applications |
Why Choose QA1?
- American-made in Lakeville MN with over 83,000 sq ft manufacturing space
- Lifetime guarantee keeps springs within 2% of original height and rate
- Proven in circle track drag racing and street performance since 1993
Frequently Asked Questions
- Q: What vehicles does this spring fit?
A: Universal component for 2.5in ID coilover systems in drag racing circle track street performance and rod applications pair with compatible shocks - Q: What material and finish are used?
A: Chrome silicon steel with silver powder coat for corrosion resistance high strength and light weight shot peened for durability - Q: What is the warranty coverage?
A: Lifetime guarantee to stay within 2% of original free height and rate under normal operating conditions
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective cardboard tube approx 10in x 4in x 4in
- Weight: 2.6 lbs
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