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Standard Metric

Circle Track Springs

Circle track valve springs are for a segment of endurance and horsepower based engines that require the longevity and performance needed to complete the race successfully. The PAC Racing Spring line-up offers several performance options based on class and engine specific racing.

1200 Series

1200 Series
R Series Extreme Endurance

R Series Extreme Endurance
1300 Series

1300 Series
1500 series

1500 series
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