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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
OEM replacement reference 74523-91
This classic
either stock or Big Inch motor
with less then 10:1 CR
11/32" PILOT
S&S, Easy Start gear drive HP103 camshaft set (IG) - 99-06 Twin Cam (excl. 2006 Dyna) (NU) 530700 OEM replacement reference 74523-91. 575" valve lift. IG = Gear drive cams with inner gears only. For stock 103" engines with stock 9. 7: 1CR up to 10. 5: 1CR. Works well with un ported heads and great for S&S CNC ported heads. Best power in the higher RPM range. 3000 6000 RPM. Easy Start Cams make starting easier by reducing the build up of cranking pressure in the cylinders during starting. This is done by lifting the exhaust valve slightly of its seat, with a spring loaded
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