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ARC Racing

Hi-Tension Box Stock Spring Set (Pair)

PART NUMBER: 425434
Availability: Ships same day if ordered before 12PM Eastern time.
In Stock Today: 15
Ships in: Ships Today
$8.99

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 ensure they meet rule requirements.

Spring Pressure:

11-11.5lb @ .850" installed height

19-19.5lb @ .650" installed height

Hi-Tension Box Stock Spring Set (Pair)

$8.99
 

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 ensure they meet rule requirements.

Spring Pressure:

11-11.5lb @ .850" installed height

19-19.5lb @ .650" installed height

 
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