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Delkron Big Bore Engine Case - D1026

  • Part #: 148825
  • Manufacturer Part #: D1026
This item is no longer available

Overview of Delkron Big Bore Engine Case - D1026

  • 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

Specs for Delkron Big Bore Engine Case - D1026

Type - Engine Replacement Parts Engine Case
Units Each
Weight 34.31 lbs

Specs for Delkron Big Bore Engine Case - D1026

Type - Engine Replacement Parts Engine Case
Units Each
Weight 34.31 lbs

Fitment for Delkron Big Bore Engine Case - D1026

See if this part fits your ride

Part 148825 fits the following machines

Harley-Davidson
  • 1984 Harley-Davidson Disc Glide - FXRDG
  • 1991 Harley-Davidson Dyna Sturgis - FXDB
  • 1987 Harley-Davidson Electra Glide - FLHT
  • 1986 Harley-Davidson Electra Glide - FLHT
  • 1985 Harley-Davidson Electra Glide - FLHT
  • 1991 Harley-Davidson Electra Glide Classic - FLHTC
  • 1990 Harley-Davidson Electra Glide Classic - FLHTC
  • 1989 Harley-Davidson Electra Glide Classic - FLHTC
  • 1988 Harley-Davidson Electra Glide Classic - FLHTC
  • 1987 Harley-Davidson Electra Glide Classic - FLHTC
  • 1986 Harley-Davidson Electra Glide Classic - FLHTC
  • 1991 Harley-Davidson Electra Glide Sport - FLHS
  • 1990 Harley-Davidson Electra Glide Sport - FLHS
  • 1989 Harley-Davidson Electra Glide Sport - FLHS
  • 1988 Harley-Davidson Electra Glide Sport - FLHS
  • 1987 Harley-Davidson Electra Glide Sport - FLHS
  • 1991 Harley-Davidson Electra Glide Ultra Classic - FLHTCU
  • 1990 Harley-Davidson Electra Glide Ultra Classic - FLHTCU
  • 1989 Harley-Davidson Electra Glide Ultra Classic - FLHTCU
  • 1990 Harley-Davidson Heritage Softail - FLST
  • 1989 Harley-Davidson Heritage Softail - FLST
  • 1988 Harley-Davidson Heritage Softail - FLST
  • 1987 Harley-Davidson Heritage Softail - FLST
  • 1986 Harley-Davidson Heritage Softail - FLST
  • 1991 Harley-Davidson Heritage Softail Classic - FLSTC
  • 1990 Harley-Davidson Heritage Softail Classic - FLSTC
  • 1989 Harley-Davidson Heritage Softail Classic - FLSTC
  • 1988 Harley-Davidson Heritage Softail Classic - FLSTC
  • 1985 Harley-Davidson Low Glide - FXRS
  • 1984 Harley-Davidson Low Glide - FXRS
  • 1985 Harley-Davidson Low Glide Custom - FXRC
  • 1985 Harley-Davidson Low Rider - FXSB
  • 1987 Harley-Davidson Low Rider Chrome - FXRC
  • 1991 Harley-Davidson Low Rider Convertible - FXRS-CONV
  • 1990 Harley-Davidson Low Rider Convertible - FXRS-CONV
  • 1991 Harley-Davidson Low Rider Custom - FXLR
  • 1990 Harley-Davidson Low Rider Custom - FXLR
  • 1989 Harley-Davidson Low Rider Custom - FXLR
  • 1988 Harley-Davidson Low Rider Custom - FXLR
  • 1987 Harley-Davidson Low Rider Custom - FXLR
  • 1991 Harley-Davidson Low Rider Sport - FXRS-SP
  • 1990 Harley-Davidson Low Rider Sport - FXRS-SP
  • 1989 Harley-Davidson Low Rider Sport - FXRS-SP
  • 1988 Harley-Davidson Low Rider Sport - FXRS-SP
  • 1987 Harley-Davidson Low Rider Sport - FXRS-SP
  • 1986 Harley-Davidson Low Rider Sport - FXRS-SP
  • 1990 Harley-Davidson Softail - FXST
  • 1989 Harley-Davidson Softail - FXST
  • 1988 Harley-Davidson Softail - FXST
  • 1987 Harley-Davidson Softail - FXST
  • 1986 Harley-Davidson Softail - FXST
  • 1991 Harley-Davidson Softail Custom - FXSTC
  • 1990 Harley-Davidson Softail Custom - FXSTC
  • 1989 Harley-Davidson Softail Custom - FXSTC
  • 1988 Harley-Davidson Softail Custom - FXSTC
  • 1987 Harley-Davidson Softail Custom - FXSTC
  • 1986 Harley-Davidson Softail Custom - FXSTC
  • 1991 Harley-Davidson Softail Fat Boy - FLSTF
  • 1990 Harley-Davidson Softail Fat Boy - FLSTF
  • 1991 Harley-Davidson Softail Springer - FXSTS
  • 1990 Harley-Davidson Softail Springer - FXSTS
  • 1989 Harley-Davidson Softail Springer - FXSTS
  • 1988 Harley-Davidson Softail Springer - FXSTS
  • 1984 Harley-Davidson Sport Glide - FXRT
  • 1986 Harley-Davidson Sport Glide Grand Touring - FXRD
  • 1991 Harley-Davidson Super Glide - FXR
  • 1990 Harley-Davidson Super Glide - FXR
  • 1989 Harley-Davidson Super Glide - FXR
  • 1988 Harley-Davidson Super Glide - FXR
  • 1987 Harley-Davidson Super Glide - FXR
  • 1986 Harley-Davidson Super Glide - FXR
  • 1985 Harley-Davidson Super Glide Fat Bob - FXEF
  • 1991 Harley-Davidson Tour Glide Classic - FLTC
  • 1990 Harley-Davidson Tour Glide Classic - FLTC
  • 1991 Harley-Davidson Tour Glide Ultra Classic - FLTCU
  • 1990 Harley-Davidson Tour Glide Ultra Classic - FLTCU
  • 1989 Harley-Davidson Tour Glide Ultra Classic - FLTCU
  • 1986 Harley-Davidson Wide Glide - FXWG
  • 1985 Harley-Davidson Wide Glide - FXWG
5.0 / 5.0
2 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
2
0
0
0
0
Fit
5.0 / 5
Quality
4.0 / 5
Style
5.0 / 5
Value
5.0 / 5
Fit
5 / 5
Quality
4 / 5
Style
5 / 5
Value
5 / 5
Bossome!!!
These things look like they came out of a tank. Very thick material, well made, good machine work. For the price, Delkron's BP cases cannot be beat.
March 21, 2011
Fit
5 / 5
Quality
4 / 5
Style
5 / 5
Value
5 / 5
Bossome!!!
These things look like they came out of a tank. Very thick material, well made, good machine work. For the price, Delkron's BP cases cannot be beat.
March 21, 2011

Instructions and Manuals for Delkron Big Bore Engine Case - D1026

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