 Shop Engine Lower End Flywheels

Crank Pin Nuts

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Crank Pin Nuts

Nut by Colony; for Crank pin; fits Big Twin 1954-early 1981; steel, parkerized; wrench size: 1-5/16 ”; thread: 1”-18; replaces OEM HD 23966-54A; USA; gross weight: 40 g

Nut by Colony; for Crank pin; fits Big Twin 1954-early 1981; steel, parkerized; wrench size: 1-5/16 ”; thread: 1”-18; replaces OEM HD 23966-54A; USA; gross weight: 40 g

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Inline Gallery Thumbnail

Inline Gallery Thumbnail

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Select subgroup:

Select variant:

Item №

60-559

net price

41.08 €

VAT Germany (19%)

7.81 €

Price incl. VAT

48.89 €

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4 ready for immediate delivery from our Würzburg, Germany warehouse

Nut by Colony
for Crank pin
fits Big Twin 1954-early 1981
steel, parkerized
wrench size: 1-5/16 ”
thread: 1”-18
replaces Harley-Davidson part number HD 23966-54A
USA
gross weight: 40 g

As late as 1999 HD used flywheel constructions with conical crank pins with their respective nuts. For tightening these nuts with correct torque please refer to the factory manual.

Spare parts:

87-656

Locking plate; for Crank pin; fits Big Twin OHV 74”/80” 1954-1980; steel; 4 pieces; with lock screws; replaces OEM HD 23971-54; gross weight: 28 g

69-335

Locking plate by Colony; for Crank pin; fits 1936-1940 61” OHV, 1937-1940 74” and 80” SV; steel, parkerized; 4 pieces; with OEM# 030 lock screws; replaces OEM HD 369-36, 370-36, 23970-36, and 24015-36; USA; gross weight: 27 g

Accessories:

08-772

Socket by Bahco; for crank pin Big Twin 1941-1983, XL 1957-1981, engine sprocket Big Twin 1955-1969; steel, polished / zinc plated; length: 61 mm; drive: 3/4”; 12-point; wrench size: 1-5/16”; outer Ø: 48.5 mm; Argentina; gross weight: 356 g

See also:

IC Flywheel Assembly Jigs

IC Flywheel Assembly Jigs

Top-quality Harley flywheel rebuilding jig. The heavy-duty baseplate can be fixed in a vise and holds the flywheels with two studs for loosening or tightening the shaft and crank pin nuts. The jaws simplify pre-adjustment and alignment of flywheels before the final centering on the truing stand.

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