Engine Hubs and Sprockets, 5/8" and 3/4"

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Sprockets and Hubs with 5/8" or 3/4" Bore, 3/16" Keyway

Engine Hubs and Sprockets, 5/8" and 3/4"

Select Part Numbers in Product Options above. Click Add-to-Cart for each item you wish to purchase.

Engine Hubs and Sprockets

These Hubs and Sprockets mount on a 5/8" or 3/4" Axle or Engine Crankshaft.

203X Engine-Hubs are designed to accommodate a wide variety of sprockets. The 2037 has a 5/8" Bore and the 2038 has a 3/4" Bore. All Hubs have a 3/16" Keyway. These Hubs, and all of the Sprockets that fit them can be displayed and purchased in Product Options above.

view and print the Spec Sheet to assist in ordering.

Engine Hubs

BORE

KEY

BOLT CIRCLE

PATTERN

PART

2 Piece Steel Hub

5/8"

3/16"

1.687"

P5256

2037

2 Piece Steel Hub

3/4"

3/16"

1.687"

P5256

2038

Billet Split Aluminum Hub

3/4"

3/16"

1.680"

P5248

2039

A complete selection of Sprockets and Hubs can be found in Hubs and Sprockets

2037 & 2038 ENGINE HUB

2037 5/8" Bore

2038 3/4" Bore

3/16" Keyway

3-Hole 1.687" Bolt Circle

Bolt Patern P5256

for 1" ID Sprockets, any chain size

fits these Sprockets ==>

NOTE: Make sure the Sprocket you order has the same Bolt Pattern as the Hub you select

SPROCKETS for 2037 & 2038 Engine Hub

CHAIN	BORE	TOOTH RANGE	BOLT CIRCLE	PATTERN	PART#
#35	1"	21-36	1.687"	P5256	20XX
#35	1"	37-94	1.687"	P5256	T5313-XX
#40	1"	17-80	1.687"	P5256	T5315-XX
#520	1"	18-63	1.687"	P5256	T5316-XX

XX = the last 2 digits of the part number is the number of teeth in the sprocket.

2039 SPLIT ALUMINUM HUB

3/4" Bore

3/16" Keyway

3-Hole 1.680" Bolt Circle

Bolt Patern P5248

for 1" ID Sprockets, any chain size

fits these Sprockets ==>

SPROCKETS for 2039 Engine Hub

CHAIN

BORE

TOOTH RANGE

BOLT CIRCLE

PATTERN

PART#

#35

1"

21-36

1.680"

P5248

T5313-XX

#40

1"

17-80

1.680"

P5248

T5315-XX

#520

1"

18-63

1.680"

P5248

T5316-XX
XX = the last 2 digits of the part number is the number of teeth in the sprocket.

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Manufactured by Azusa

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