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Designed to fit within the Wissota Mini Stock rules this low lift version of out 4.9 roller is the most powerful camshaft you can run. The 4.9 grind is our best performing mid to long length oval track camshaft. Expect strong mid range and top end power from RPM ranges of 4500-8200rpm.  

Wissota Spec Stage 4.9 Circletrack Race Solid Roller Cam .550/.550"4500-8200rpm

  • Solid roller camshafts require the installation of solid lifters. This camshaft requires are Beehive solid roller valve springs or other springs with 180# closed seat pressure minimum with clearance for .550" valve lift. Machine work is required to the spring pockets and Boport or other .400 or .470" tip valves are required. 

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