Swift Springs Introduces New 8" Rear Conventional Springs for UMP Modified Racing

At Swift Springs, product development has always been driven by racers. After hearing consistent feedback from UMP Modified competitors across the country, we're excited to introduce an all-new series of 8-inch rear conventional springs engineered specifically for Modified racing applications.

Designed Around Racer Feedback

The newest addition to the Swift Conventional Spring lineup features an 8-inch free length with a 5-inch outside diameter (OD) and 1.5-inch coil spacing, making these springs ideal for racers who utilize spring rubbers as part of their chassis setup. Every aspect of the design was developed with the needs of today's UMP Modified teams in mind, providing the versatility and consistency required for competitive dirt track racing.

Built using Swift's proven manufacturing processes and premium spring steel, these springs deliver the responsiveness, repeatability, and durability racers have come to expect from Swift.

Available Spring Rates

The new rear spring series is available in three popular rates:

175 lb/in

200 lb/in

225 lb/in

These carefully selected rates provide racers with additional tuning options for varying track conditions, allowing teams to fine-tune rear suspension performance throughout the racing season.

Technical Specifications

The new rear conventional springs feature:

Free Length: 8 inches

Outside Diameter: 5 inches

Coil Spacing: 1.5 inches

Designed for: Use with spring rubbers

Applications: UMP Modified and other compatible dirt track racing platforms

Available Rates: 175, 200, and 225 lb/in

As with every Swift Conventional Spring, these new models are engineered to provide consistent spring rates, predictable handling characteristics, and exceptional durability under demanding racing conditions. Swift's commitment to precision manufacturing ensures each spring maintains its performance lap after lap.

Now Shipping

The new 8-inch rear conventional springs are already in stock with select Swift Springs dealers, with additional inventory continuing to ship to distributors nationwide. Racers looking to upgrade their Modified suspension setup should contact their preferred Swift dealer for availability.

As always, Swift Springs remains committed to developing products based on real-world racer feedback. This new series is another example of our dedication to providing innovative suspension solutions that help racers maximize traction, consistency, and confidence on every lap.

For complete specifications and dealer availability, visit the Swift Springs Conventional Springs product pages or contact your authorized Swift Springs dealer.