411 / 1259
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PROMOTIONAL
REFERENCE
INDEX
411
• CNC machined from high grade alloy steel
• Meets or exceeds OEM specifications
• Heat treated for long life and less wear
• Broached specially for maximum spline to
shaft contact
• Available in a full range of tooth sizes
OEM REPLACEMENT
COUNTERSHAFT
SPROCKETS
REAR SPROCKETS
MADE IN THE USA BY THE PROS FOR THE PROS!
Material
Brinell Hardness
Plain Aluminum
6061-T6
95
Mild Steel
1010
116
PBIs aircraft alloy aluminum 7075-T6-51 150
Application
Year
Chain Pitch OEM #
WPS # Sizes Stocked
HARLEY DAVIDSON
OEM STYLE
Big Twin
‘36-79
530
35203-36
50-279
22-26
Big Twin (4 speed)
‘80-85
530
33338-83
50-278
22-25
Sportster
‘54-E79
530
35205-52A
50-272
21-23
Sportster
late ‘79-E84
530
35205-79A
50-273
20-24
Sportster 4 speed
‘L84-90
530
35208-84
50-276
21-23
Sportster 5 speed and
‘91-92
530
37709-89
50-277
19-24
Sportster 520 Conversion
‘91-92
520
50-277X
21-24
OFFSET COUNTERSHAFT SPROCKETS
The Following Parts Use Late Style Lock Plates.
(two 1/4” - 20 NC Bolts)
Fits Big Twin 5-Speed Models 1986-2006
(except 2006 6-Speed DynaGlides)
& Sportster
Belt Drive Conversion Zero Off-Set
530
50-284
23-24
Belt Drive Conversion .500” Off-Set
530
50-283
22-24
Belt Drive Conversion .750” Off-Set
530
50-281
21-24
Belt Drive Conversion 1.06” Off-Set
530
50-288
23-24
Belt Drive Conversion 1.31” Off-Set
530
50-289
24
OFFSET COUNTERSHAFT SPROCKETS
Models 2006 6-speed, 2007 & newer
Belt Drive Conversion .500 Off-Set
530
50-303
24
Belt Drive Conversion .750 Off-Set
530
50-302
24
REAR SPROCKETS
Big Twins 4 Speed
‘73-85
530
41470-73
50-2072A
48-52
XL Models
‘79-81
530
41470-73
50-2072A
48-52
Sportster
‘86-92
530
41470-86
50-2073A
48-55
Also fits 2000 & newer large bearing hubs.
50-2073A
48-55
• Manufactured from 7075 T6-51 aluminum
• Stronger than steel sprockets in tensile, yield and shear
strength
• Far lighter than steel for less unsprung weight
• Made from full thickness aluminum for maximum strength
• Available in a full range of tooth sizes
TRANSMISSION / DRIVELINE