Part Number: 10-0988 UOM: 2 - SET Summary:Front and rear replica tappet block set is flat counter bore, constructed from steel featuring a zinc plated finish. Blocks have counter bore screw mount holes to accept non tapered screws. Use with allen cap screws as noted. Order seals and gasket kit separately.Lifter bore is .7315. *NOTE: These are machined from the later model " heavy" style castings. Finish: Zinc Fitment: FL 1948-1984 FX 1971-1984 FLT 1979-1983 FXR 1982-1983 Country of Origin: Imported