Chevy BBC 427 454 HP Stage 4 527/553 Lift Cam Camshaft MC2305

You are buying a BRAND NEW Engine Pro MC2305 Hydraulic FlatTappet Camshaft!This is a flat tappet cam for 1967-95 CHEVROLET Big Block V8 396, 402, 427, 454C.I./1969-90 366 C.I. Engines.Camshaft Specifications: Stage:4Duration@ .050: Intake: 224 Exhaust: 232AdvertisedDuration: Intake:302 Exhaust: 304ValveLift: Intake: .527 Exhaust: .553LobeSeparation: Intake: 110 Exhaust: 118PowerRange:     2500-6000Idle: RoughLifterPart #: 817 (not included)Comment: HIGH PERFORMANCE STREET, STRONG MID-RANGENote: MAYREQUIRE CONVERSION TO AN ADJUSTABLE VALVE TRAINGeneral Stage 4 Camshaft Specifications: IdleQuality:   Rough. Manifold Vacuum Will Not Operate Power BrakesTorque:     Mid-Range 3000-4000 RPMFuelEconomy:      PoorRecommendations:Towing:NotRecommendedRacing: BracketDrag Racing, Limited Oval TrackComputerControlled Vehicles: Not RecommendedTransmission: AutomaticWith High Stall Converter or ManualCompressionRatio: 10.5:1 To 11.0:1. Check Valve to Piston ClearanceNOTE: Anytime you install a new camshaft, it should alwayshave new lifters installed as cams and lifters create a wear pattern as theymate together.Camshafts and lifters are guaranteed to be straight, onsize, and to correct lift, index and duration.  There is no guarantee oncamshafts and lifters after engine is started.  Customer has the privilegeof checking and inspecting camshafts and lifters at the time ofinstallation.  If camshafts and lifters do not meet your level ofsatisfaction, DO NOT INSTALL!  Returns only accepted if camshafts andlifters has not been installed.  No guarantee once engine has been run.