Reaper EVO 574 cam requires performance valve springs, see FEULING # 1120, 1122 or 1100, performance lifters recommended but not required. Will work with factory pushrods on engines with factory stack up, if deck height, cylinders or rocker boxes have been modified from stock then adjustable pushrods are required, see # 4091, 4077 or #4080. Increased compression, cylinder head work and performance exhaust recommended but not required, increased compression is required for bottom end performance. RPM range 2,700 - 6,200. Grind: 574
Intake: .574 Valve Lift, 15 Open, 45 Close, 240 Duration @ 53, .163 lift @ TDC, .105 Lobe Centerline
Exhaust : .574 Valve Lift, 61 Open, 14 Close, 255 Duration @ 53, .143 lift @ TDC, 113.5 Lobe Centerline
DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES
EVO BIG TWIN 85 - 99
Disclaimer: This is a RACE ONLY part
Parts designated as Race Only are for use only on vehicles used for competition racing and are not for use on vehicles registered for use on public roads. Sale and/or installation of Race Only parts in any way inconsistent with this warning is prohibited and may result in enforcement by the U.S EPA under the federal Clean Air Act. RACE ONLY PARTS ARE NOT LEGAL FOR SALE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.
NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY EPA POLLUTION CONTROLLED MOTOR VEHICLE.