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-4 tooth drive ratio for more torque; weight 2.16 kg; 50% lighter than stock; Incl. required shorter 90t primary chain. Note: Use with 552035 sprocket bolt kit.
Evolution Industries

Evolution Industries, solid motor sprocket & chain kit. 30T

#573342

Stock:Yes

Sprocket comes with the stock 5/16" offset. This sprocket is designed to be run solid and cannot be used with the OEM compensating vibration damper set-up. Note: The OEM nut will not work in the solid set-up. The special 569295 motor sprocket nut is required for installation and sold separately.
Evolution Industries

EV Industries, Power Drive solid steel motor sprocket. 22t.

#552044

Stock:Yes

-4 tooth drive ratio for more torque; weight 2.16 kg; 50% lighter than stock; Incl. required shorter 90t primary chain; Sprocket has larger offset than stock Note: use with 552035 sprocket bolt kit
Evolution Industries

Evolution Industries, solid motor sprocket & chain kit. 30T

#552039

Stock:Yes

Sprocket comes with the stock 5/16" offset. This sprocket is designed to be run solid and cannot be used with the OEM compensating vibration damper set-up. Note: The OEM nut will not work in the solid set-up. The special 569295 motor sprocket nut is required for installation and sold separately.
Evolution Industries

EV Industries, Power Drive solid steel motor sprocket. 21t.

#552043

Stock:Yes

-4 tooth drive ratio for more torque; weight 2.16 kg; 50% lighter than stock; Incl. required shorter 84t primary chain Note: use with 552035 sprocket bolt kit
Evolution Industries

Evolution Industries, solid motor sprocket & chain kit. 30T

#552037

Stock:Yes

-4 tooth drive ratio for more torque; weight 2.16 kg; 50% lighter than stock; Incl. required shorter 90t primary chain; incl. spacer Note: use with 552035 sprocket bolt kit
Evolution Industries

Evolution Industries, solid motor sprocket & chain kit. 30T

#552040

Stock:Yes

-4 tooth drive ratio for more torque; weight 2.16 kg; 50% lighter than stock; Incl. required shorter 90t primary chain Note: use with 552035 sprocket bolt kit
Evolution Industries

Evolution Industries, solid motor sprocket & chain kit. 30T

#552038

Stock:Yes

8-piece kit. Used to shim-out primary belt pulley or the OEM shaft extension to line-out motor sprocket with clutch hub. This JIMS 8-piece kit consists of following sizes: .336", .516", .546", .574", .606", .621", .636" and .666". Machined to a 32 micron finish for extended sprocket shaft seal life. Compatible with both early 55-64 models (OEM = .336" wide and repl. 29029-55) with tin primary and 65-69 Panhead and Early Shovel (OEM is .621" wide and repl. 24029-65) with aluminum primary, depending on the size used. Note: Spacers are not separately available.
Jims

JIMS, sprocket shaft spacer kit .336" to .666" wide

#995044

Stock:Yes

STD drive ratio; weight 2.16 kg; 50% lighter than stock; use with 552035 sprocket bolt kit
Evolution Industries

Solid 34t Motor sprocket

#552034

Stock:Yes

-4 tooth drive ratio for more torque; weight 2.16 kg; 50% lighter than stock; Incl. required shorter 84t primary chain; incl. spacer Note: use with 552035 sprocket bolt kit
Evolution Industries

Evolution Industries, solid motor sprocket & chain kit. 30T

#552036

Stock:Yes

-4 tooth drive ratio for more torque; weight 2.16 kg; 50% lighter than stock; Incl. required shorter 84t primary chain. Note: Use with 552035 sprocket bolt kit.
Evolution Industries

Evolution Industries, solid motor sprocket & chain kit. 30T

#573343

Stock:Yes

MCS

Nut, motor sprocket

#516663

Stock:Yes

Without compensating sprocket, 7/8-14 thread
Jims

Jims, motor sprocket nut. oem type

#517999

Stock:Yes

Chrome, 11/16-18 threaded
Colony

Colony acorn motor sprocket nut

#515840

Stock:Yes

30T. -4 tooth smaller than stock. Smaller motor sprockets increase RPM, at the same speed, for more power and better pull in the same gear. Good solution to overcome the sometimes sluggish feel of the 6-speed cruisedrive transmission. Will eliminate the OEM compensator spring and OEM motor sprocket and will allow you to run with a simple but dependable solid set-up. Note: 30t sprockets are 4 tooth smaller than stock. A custom length primary chain is required. 90t chain required for Dyna and Softail and 84t chain for Touring models. These are not(!) available through MCS. Note: 08-10 Twin Cam models require a 2007 style alternator rotor available as MCS 908086 (OEM 40356-07).
MCS

Solid motor sprocket, 30t

#577429

Stock:Yes

MCS

Motor sprocket nut

#516773

Stock:Yes

MCS

Motor sprocket nut

#516660

Stock:Yes

The stock compensator sprocket assembly includes a damper system which can induce slippage, noise and weighs 2.16kg (4.77 lbs.). This Evolution Industries motor sprocket is a rigid mounted sprocket to prevent any issues related to the stock sprocket and does so at less than half the weight. Manufactured from black oxide coated high strength 4140 tool steel. Custom replacement for OEM 40100076, 40100076A compensator & motor sprocket assembly.
Evolution Industries

Evo Industries, 34T solid motor sprocket kit

#573341

Stock:No

OEM replacement reference 35216-36 / 2337-36
James Gaskets

James lock tab washer, transmission sprocket nut

#526076

Stock:Yes

1 used. Fits behind motor sprocket on sprocket shaft.
MCS

Sprocket shaft spacer. XL Sportster

#516664

Stock:Yes