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Circle Track Thunder
Gross Lift
In 475 Ex 475
Advertised Duration
IN 325 EX 325
.050 Duration
In 250 Ex 250
RPM Range
3200---8500
Valve Lash Hot
IN 6 EX 8
Ultimate Wild Hi RPM camshaft great for lots of top end power at upper end rpm ranges
Must use hi-pro springs with this cam
Great for Circle track use (gas mileage what's that?) lumpy idle not for F.I.E.
Cam performance is greatly improved with use of header and Webber carb
