Product Description
- The "Red Stripe" spring is the strongest 10.8 lb spring on the market. This Heavy Duty spring will allow the engine builder to custom fit their spring to their particular build. Having been through a specific process, which will reduce the amount of spring pressure loss from running in the engine, this spring will allow the engine to run a higher RPM before experiencing uncontrolled valve float.
- This spring is considered a "Builders Spring" and will not test legal without being set. Springs should be checked prior to installation to insure they meet rule requirements.
Spring Pressure: 11-11.5lb @ .850"
19-19.5lb @ .650"
Sold in pairs
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Product Reviews
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Springs
Very good
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Great product, perfect fit and function
Great product, looking for the unfair advantage!
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Quality
Great product, very fast to ship
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Just what I ordered
Excellent customer service shipped parts same day I ordered
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They work well
Work great
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Worked great
Threw these in the day i got them and had a great race that night.