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1963 230/250/292 Chevy Inline 6 Cylinder Head 3824437For up to .550 lift camBorn on I 21 3Upgraded to 1.940 intake valvesUpgraded to 1.600 exhaust valvesHardened Exhaust Seat inserts installed for unleaded fuelNew freeze plugs installedAll New .550 lift Valve Springs & RetainersValve spring installed height is 1.700 -Valve closed pressure is 100 lbs.All New Valve Guides InstalledAll Seat & guide work finished3 Angle Valve jobShot Blasted,Hot Tanked,Magnafluxed for Cracks(No Cracks)Resurfaced DeckResurfaced intake/exhaust side of headChased all threadsFast Same Day ShippingGuides machined for sealsValve stem seals installed
Ultimate Duty 11/32 .500 Posi-Stop Valve Stem Seals The Best Seal Made, Period! Howards Premium PC type seals are made of a space age material which is tolerant to pump gas, alcohol, and nitromethane. Temperature tolerant to 350 degrees. They are self-lubricating and offer controlled radial tension during changes in operating temperatures. Color Coded. Controls oil while lubricating the valve guide.
