Guide Vlv Bt84-04+.002Brz 20-4322C630 Valve GuidesPrecision machined from copper based C63000 nickel aluminum bronze Compatible with no lead fuel and accept any type of valve stem material Provide maximum service with chromed valve stems Feature a tapered nose design for maximum bearing service and minimal port obstruction; improves flow characteristics 2. 02" overall length, . 560" top diameter, accept OEM style top hat valve seals (sold separately) Accept OEM lower collar Overall
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