These blocks replace and surpass Harley-Davidson #18603-80A and 18610-76A tappet blocks. Made from 7075-T651 billet aerospace quality aluminum, these beautiful highly polished Panhead and Shovelhead tappet blocks are the perfect way to upgrade your earlier Big Twin. With no compromises, these extra strong tappet blocks are machined to the centerline of the cam and hold +/-.002". The bores are held perpendicular to the flange to +/-.0002". Pushrod cover pockets are machined to accept early style corks or later quad seals. Pushrod cover angles have been optimized for a leak tight seal. Designed to accommodate .550" lift at the valves.
Made from 7075 T-651 aluminum
Kits include front lifter block, rear lifter block and gaskets
Mounting screws must be purchased separately, 1/4"-24 threaded screws or 1/4"-20 thread screws depending on your specific model
Made in the USA
Product Note:
Specification
Details
Country of Origin
USA
Finish
Polished
Material
Aluminum
OEM Reference
18603-80A/18610-76A
Vehicle Fitment
Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.
Harley Davidson
FL 80 Electra Glide 1980
FL Duo Glide 1958-1964
FL Hydra Glide 1953-1957
FLB Electra Glide 1965-1969
FLE Hydra Glide 1953-1956
FLEF Hydra Glide 1953-1956
FLF Hydra Glide 1953, 1955-1957
FLFB Electra Glide 1965-1969
FLH 80 Electra Glide Heritage 1981-1984
FLH Duo Glide 1958-1964
FLH Electra Glide 1970-1984
FLH Hydra Glide 1955-1957
FLHB Electra Glide 1965-1969
FLHC Electra Glide Classic 1979-1982
FLHF Electra Glide 1970-1972, 1974
FLHF Electra Glide Sport 1975
FLHF Hydra Glide 1955-1957
FLHFB Electra Glide Super Sport 1965-1969
FLHS Electra Glide Sport 1977, 1980-1984
FLHT Electra Glide 1982-1984
FLHTC Electra Glide Classic 1983-1984
FLHX Electra Glide Special 1984
FLT Tour Glide 1980-1983
FLTC Tour Glide Classic 1980-1983
FX 1200 Super Glide 1971-1978
FXB Sturgis 1980-1982
FXDG Disc Glide 1983
FXE 1200 Super Glide 1973-1980
FXE Super Glide 1981-1984
FXEF Super Glide Fat Bob 1979-1981
FXR Super Glide II 1982-1983
FXRS Super Glide II 1982-1983
FXRT Sport Glide 1983
FXS Super Glide Low Rider 1977-1979, 1981-1982
FXSB Low Rider 1983-1984
FXWG Wide Glide 1980-1984
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