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MCS

Motor sprocket nut

#508990

Stock:Yes

Fits with OEM flywheels. Sprocket shaft does not have a keyway. Taper is 8-1/2°. Biggest part of taper is approx. 1.400". Shaft is 4.262" long from bearing shoulder to end of smalll thread. Use 24017-80 JIMS nut (MCS 978257) on flywheel side and use 24003-55 nut (MCS 518000) on sprocket side. Note: Use MCS 502616 JIMS shaft for all 70-99 aftermarket flywheels that have a keyway and 6° taper. JIMS shafts are precision machined in Camarillo, California from a special order steel. Each and every part is thoroughly inspected and after heat treating all threads go through a special process to make them withstand greater torque stress. All shafts are ground to a 16 micron finish or better, unless specified otherwise. All ground diameters are concentric to well within .0003", making truing and rebuilding quicker and with less effort.
Jims

JIMS, sprocket shaft. 72-E81 B.T.

#506975

Stock:No

Kit includes: *Flywheel side nut (MCS 978257 / 24017-80). *Motor sprocket nut (MCS 517999/24003-55). *Woodruff key (MCS 517960, Repl. 23985-56). Sprocket shaft has aftermarket 6° taper with keyway. Fits L81-85 OEM (which has no without keyway, repl. OEM 23909-80) and 70-99 aftermarket B.T. flywheels (with keyway). Shaft is 4.262" long from bearing shoulder to end of smalll thread. JIMS shafts are precision machined in Camarillo, California from a special order steel. Each and every part is thoroughly inspected and after heat treating all threads go through a special process to make them withstand greater torque stress. All shafts are ground to a 16 micron finish or better, unless specified otherwise. All ground diameters are concentric to well within .0003", making truing and rebuilding quicker and with less effort.
Jims

JIMS, sprocket shaft kit. L81-85 & 70-99 B.T.

#502619

Stock:Yes

Fits S&S D, SBD, SC, SCD, SCDR and SCR flywheels only.
S&S

S&S, sprocket shaft assembly

#531986

Stock:Yes

Used to correct pre-load on the sprocket shaft bearing.
S&S

S&S, sprocket shaft bearing spacer shim .108"

#531084

Stock:Yes

Required for charging system of S&S Long blocks 565120, 565124, 565122, 565126, 588907, 588906 and 588908. Early style sprocket shaft spacer. Dimensions: 1.750" OD x 1.255" ID x 1.095" thick.
S&S

S&S, sprocket shaft spacer. Early style

#591077

Stock:Yes

11/16-18 X 1/4 X 1 3/16 hex. Used on flywheel side. Repl. 8011.
Colony

Colony, nut. Pinion and sprocket shaft

#989233

Stock:Yes

Used to set correct pre-load onto sprocket shaft bearing. Approx. dimensions: 1.265" ID, 1.530" OD.
MCS

Sprocket shaft bearing spacer shim .090"

#969110

Stock:Yes

Used to shim-out primary belt pulley or the OEM shaft extension to line-out motor sprocket with clutch hub. Compatible with Timken style sprocket shaft bearings un use upto 2002 OEM models. Will fit later models, like S&S engines, and engines custom equipped with the early style Timken bearing.
MCS

Sprocket shaft spacer shim. .010"

#974027

Stock:Yes

MCS

Sprocket shaft extension, 1-3/8"(35mm)

#926204

Stock:Yes

MCS

Sprocket shaft extension only

#927644

Stock:Yes

MCS

Sprocket shaft bearing spacer, left side

#909615

Stock:Yes

1-1/8-16 threaded. OEM replacement reference 24017-72, 24017-80.
MCS

Sprocket shaft nut

#906510

Stock:Yes

MCS

Nut, sprocket shaft extension. 1-3/8" (35mm)

#926205

Stock:Yes

Used to correct pre-load on the sprocket shaft bearing.
S&S

S&S, sprocket shaft bearing spacer shim .104"

#531082

Stock:Yes

Fits S&S pinion and sprocket shafts with S&S SM/SG 5-piece flywheels.
S&S

S&S, sprocket/pinion shaft key

#531886

Stock:Yes

OEM style replacement.
MCS

Sprocket shaft, 57-76 Sportster

#517965

Stock:Yes

S&S

S&S, sprocket shaft bearing spacer shim. .108"

#531078

Stock:Yes

S&S

S&S, sprocket shaft bearing assembly

#531094

Stock:Yes

OEM style replacement for 1965 electric start Panhead (with aluminum primary) and all 66-69 late Shovelhead models.
MCS

Sprocket shaft, 65-69 Big Twin

#517980

Stock:Yes