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    Delkron Big Bore Engine Case - D1026

    Big Bore Engine Case
    1 / 1
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    Delkron Big Bore Engine Case - D1026

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    Delkron Big Bore Engine Case

    • 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.


    Included Items:
    1. (1) Engine case
    Specifications
    Mfg #: D1026
    Part #: 148825
    Type Engine Case
    Units Each
    Weight 34.31 lbs
    Vendor Part Number(s):
    DS194314
    Alternate/OEM Part Number(s):
    DS194314
    Resources & Manuals
    Instruction Manual 965.6 KiB
    Fitment for Delkron Big Bore Engine Case

    Part 148825 fits the following machines

    Harley-Davidson
    1984
    1991
    1985 1986 1987
    1986 1987 1988 1989 1990 1991
    1984
    1987 1988 1989 1990 1991
    1989 1990 1991
    1986 1987 1988 1989 1990
    1988 1989 1990 1991
    1984 1985
    1985
    1986 1987 1988
    1985
    1987
    1990 1991
    1987 1988 1989 1990 1991
    1986 1987 1988 1989 1990 1991
    1986 1987 1988 1989 1990
    1986 1987 1988 1989 1990 1991
    1990 1991
    1988 1989 1990 1991
    1985 1986 1987 1988
    1984
    1984
    1986
    1984 1985 1986 1987 1988 1989 1990 1991
    1985
    1990 1991
    1984
    1989 1990 1991
    1985 1986
    Reviews & Questions