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Delkron Big Bore Engine Case - D1006

  • Part #: H66003
  • Manufacturer Part #: D1006
This item is no longer available

Overview of Delkron Big Bore Engine Case - D1006

  • Manufactured to exact tolerances
  • Engine cases feature 356 T-6 permanent mold casings
  • Corner radius maintained throughout eliminating stress areas found in unequal cooling after casting
  • Pre heated right and left case inserts with larger radiused ears removes vapor pockets and allows for superior aluminum flow, and iron to aluminum adhesion to eliminate possible insert movement
  • Extra rib on the left front motor mount prevents motor mount breakage and adds rigidity to the case
  • Top case bolt relocation upward and away from case center-line to allow larger cylinder bores without boring into the bolt
  • CNC controlled 4th axis allows perfect positioning for motor mounts, lifter blocks, cylinder spigots, oil pump etc
  • Solid dowel locating pins insure perfect alignment of case halves when assembled
  • 5.1 x 5.2 front and 5.0 x 5.5 rear cylinder deck for increased rigidity between upper and lower end
  • Blind case bolt holes and barrel studs holes eliminates thin areas where holes would normally intersect
  • Alternator stator plug located .300 in. outward eliminates thin areas at left case race
  • Nylon set screw holds plug
  • Rerouted oil passages eliminate weak areas between lifter blocks and cylinders
  • Standard fasteners throughout for easy replacement
  • Permanent mold castings beat the competition with superior strength, closer tolerances, better aluminum to insert adhesion
  • Gray cast-iron inserts with 1/2 in. wall sections
  • Timken bearings, cylinder studs installed
  • Pinion race-installed and line-lapped to standard size
  • 3 5/8 in. i.d. cylinders fit Big Bore models
  • All cases come with an MSO (Manufacturers Statement of Origin)
  • Made in the U.S.A.

This item ships 3-4 business days after order is processed

Specs for Delkron Big Bore Engine Case - D1006

Type - Engine Replacement Parts Engine Case
Units Each
Weight 32.85 lbs

Specs for Delkron Big Bore Engine Case - D1006

Type - Engine Replacement Parts Engine Case
Units Each
Weight 32.85 lbs

Fitment for Delkron Big Bore Engine Case - D1006

See if this part fits your ride

Part H66003 fits the following machines

Harley-Davidson
  • 1983 Harley-Davidson Disc Glide - FXDG
  • 1984 Harley-Davidson Electra Glide - FLH
  • 1983 Harley-Davidson Electra Glide - FLH
  • 1982 Harley-Davidson Electra Glide - FLH
  • 1981 Harley-Davidson Electra Glide - FLH
  • 1979 Harley-Davidson Electra Glide - FLH
  • 1978 Harley-Davidson Electra Glide - FLH
  • 1977 Harley-Davidson Electra Glide - FLH
  • 1976 Harley-Davidson Electra Glide - FLH
  • 1975 Harley-Davidson Electra Glide - FLH
  • 1974 Harley-Davidson Electra Glide - FLH
  • 1973 Harley-Davidson Electra Glide - FLH
  • 1972 Harley-Davidson Electra Glide - FLH
  • 1971 Harley-Davidson Electra Glide - FLH
  • 1970 Harley-Davidson Electra Glide - FLH
  • 1980 Harley-Davidson Electra Glide - FLH 1200
  • 1980 Harley-Davidson Electra Glide - FLH-80
  • 1979 Harley-Davidson Electra Glide - FLH-80
  • 1981 Harley-Davidson Electra Glide - FLHS
  • 1980 Harley-Davidson Electra Glide - FLHS
  • 1977 Harley-Davidson Electra Glide - FLHS
  • 1981 Harley-Davidson Electra Glide Classic - FLHC
  • 1980 Harley-Davidson Electra Glide Classic - FLHC
  • 1979 Harley-Davidson Electra Glide Classic - FLHC
  • 1983 Harley-Davidson Electra Glide Classic - FLHTC
  • 1981 Harley-Davidson Electra Glide Heritage - FLH
  • 1984 Harley-Davidson Electra Glide Special - FLHX
  • 1984 Harley-Davidson Electra Glide Sport - FLHS
  • 1983 Harley-Davidson Electra Glide Sport - FLHS
  • 1982 Harley-Davidson Electra Glide Sport - FLHS
  • 1981 Harley-Davidson Fat Bob - FXEF
  • 1980 Harley-Davidson Fat Bob - FXEF
  • 1979 Harley-Davidson Fat Bob - FXEF 1200
  • 1979 Harley-Davidson Fat Bob - FXEF-80
  • 1979 Harley-Davidson FL
  • 1978 Harley-Davidson FL
  • 1977 Harley-Davidson FL
  • 1976 Harley-Davidson FL
  • 1975 Harley-Davidson FL
  • 1974 Harley-Davidson FL
  • 1973 Harley-Davidson FL
  • 1972 Harley-Davidson FL
  • 1971 Harley-Davidson FL
  • 1970 Harley-Davidson FL
  • 1970 Harley-Davidson FS
  • 1982 Harley-Davidson Low Rider - FXS
  • 1981 Harley-Davidson Low Rider - FXS
  • 1980 Harley-Davidson Low Rider - FXS 1200
  • 1979 Harley-Davidson Low Rider - FXS 1200
  • 1980 Harley-Davidson Low Rider - FXS-80
  • 1979 Harley-Davidson Low Rider - FXS-80
  • 1984 Harley-Davidson Low Rider - FXSB
  • 1983 Harley-Davidson Low Rider - FXSB
  • 1983 Harley-Davidson Sport Glide - FXRT
  • 1982 Harley-Davidson Sturgis - FXB
  • 1981 Harley-Davidson Sturgis - FXB
  • 1980 Harley-Davidson Sturgis - FXB
  • 1978 Harley-Davidson Super Glide - FX
  • 1977 Harley-Davidson Super Glide - FX
  • 1976 Harley-Davidson Super Glide - FX
  • 1975 Harley-Davidson Super Glide - FX
  • 1974 Harley-Davidson Super Glide - FX
  • 1973 Harley-Davidson Super Glide - FX
  • 1972 Harley-Davidson Super Glide - FX
  • 1971 Harley-Davidson Super Glide - FX
  • 1984 Harley-Davidson Super Glide - FXE
  • 1983 Harley-Davidson Super Glide - FXE
  • 1982 Harley-Davidson Super Glide - FXE
  • 1981 Harley-Davidson Super Glide - FXE
  • 1983 Harley-Davidson Super Glide II - FXR
  • 1982 Harley-Davidson Super Glide II - FXR
  • 1983 Harley-Davidson Super Glide II - FXRS
  • 1982 Harley-Davidson Super Glide II - FXRS
  • 1983 Harley-Davidson Tour Glide - FLT
  • 1982 Harley-Davidson Tour Glide - FLT
  • 1981 Harley-Davidson Tour Glide - FLT
  • 1980 Harley-Davidson Tour Glide - FLT
  • 1979 Harley-Davidson Tour Glide - FLT
  • 1984 Harley-Davidson Tour Glide Classic - FLTC
  • 1984 Harley-Davidson Wide Glide - FXWG
  • 1983 Harley-Davidson Wide Glide - FXWG
  • 1982 Harley-Davidson Wide Glide - FXWG
  • 1981 Harley-Davidson Wide Glide - FXWG
  • 1980 Harley-Davidson Wide Glide - FXWG
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Instructions and Manuals for Delkron Big Bore Engine Case - D1006

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