Harley Crankcases and Parts
Harley Bike Crankcases & Parts at JJ Motorsports
Rebuild or upgrade your Harley’s bottom end with premium crankcase components from JJ Motorsports, featuring lock kits, breather filters, and precision pinion shafts for reliable performance on Big Twin, Evo, Twin Cam, and Shovelhead engines. These high-quality parts ensure proper alignment, breathing, and durability.
Shop Eastern Motorcycle Parts, EMGO, and JIMS crankcase parts for proven reliability. Explore related categories such as Harley engine for bearings and flywheels, or Harley for oil pumps and cams to complete your bottom-end rebuild.
Top Harley Crankcase & Parts
- Eastern Motorcycle Parts Crankpin Nut Lock Kit A-23966-78 – Complete lock kit for crankpin nuts; essential for flywheel assembly on Evo and Twin Cam.
- EMGO Crankcase Filter Kit 14-20910 – Breather filter kit with mounting hardware; improves crankcase ventilation on Sportster and Big Twin.
- JIMS Pinion Gear Shaft Big Twin 24006-54A – Precision pinion shaft for 1954-1999 Big Twin; heat-treated for maximum strength and perfect gear mesh.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
EASTERN MOTORCYCLE PARTS Dowel Pins A-16574-99
EASTERN MOTORCYCLE PARTS
$9.30Used in crankcase and motor for transmission case applications, Made in the U.S.A.09200067- SKU:
- 09200067
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- PRODUCT NAME:
- DOWEL PIN
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
$9.30 -
EASTERN MOTORCYCLE PARTS Bearing Spacers - 5 pack A-9110
EASTERN MOTORCYCLE PARTS
$14.60High-quality OEM replacement components, Made in the U.S.A.09200068- SKU:
- 09200068
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- COLOR/FINISH:
- CHROME
- DIAMETER - THREAD SIZE IMPERIAL:
- 0.0895' - 0.0905'
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- BEARING SPACER
- RIDING STYLE:
- STREET
- TYPE:
- CRANKCASE
- UNITS:
- 5 PACK
$14.60 -
EASTERN MOTORCYCLE PARTS Bearing Spacers - 5 pack A-9123
EASTERN MOTORCYCLE PARTS
$14.60High-quality OEM replacement components, Made in the U.S.A.09200072- SKU:
- 09200072
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- BEARING SPACER
- UNITS:
- 5 PACK
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- DIAMETER - THREAD SIZE IMPERIAL:
- 0.0975' - 0.0985'
- RIDING STYLE:
- STREET
- TYPE:
- CRANKCASE
$14.60 -
EASTERN MOTORCYCLE PARTS Bearing Spacers - 5 pack A-9125
EASTERN MOTORCYCLE PARTS
$14.60High-quality OEM replacement components, Made in the U.S.A.09200073- SKU:
- 09200073
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- CHROME
- DIAMETER - THREAD SIZE IMPERIAL:
- 0.1015' - 0.1025'
- RIDING STYLE:
- STREET
- TYPE:
- CRANKCASE
- UNITS:
- 5 PACK
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- BEARING SPACER
$14.60 -
EASTERN MOTORCYCLE PARTS Bearing Spacers - 5 pack A-9126
EASTERN MOTORCYCLE PARTS
$14.60High-quality OEM replacement components, Made in the U.S.A.09200074- SKU:
- 09200074
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- UNITS:
- 5 PACK
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- TYPE:
- CRANKCASE
- BASE FINISH:
- CHROME
- DIAMETER - THREAD SIZE IMPERIAL:
- 0.1035' - 0.1045'
- PRODUCT NAME:
- BEARING SPACER
$14.60Qty in Cart: 0Quantity:Price:$14.60Subtotal: -
EASTERN MOTORCYCLE PARTS Bearing Spacers - 5 pack A-9127
EASTERN MOTORCYCLE PARTS
$14.60High-quality OEM replacement components, Made in the U.S.A.09200075- SKU:
- 09200075
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- CHROME
- BASE FINISH:
- CHROME
- DIAMETER - THREAD SIZE IMPERIAL:
- 0.1055' - 0.1065'
- PRODUCT NAME:
- BEARING SPACER
- RIDING STYLE:
- STREET
- TYPE:
- CRANKCASE
- UNITS:
- 5 PACK
$14.60Qty in Cart: 0Quantity:Price:$14.60Subtotal: -
EASTERN MOTORCYCLE PARTS Bearing Spacers - 5 pack A-9128
EASTERN MOTORCYCLE PARTS
$14.60High-quality OEM replacement components, Made in the U.S.A.09200076- SKU:
- 09200076
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- COLOR/FINISH:
- CHROME
- DIAMETER - THREAD SIZE IMPERIAL:
- 0.1075' - 0.1085'
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- BEARING SPACER
- RIDING STYLE:
- STREET
- TYPE:
- CRANKCASE
- UNITS:
- 5 PACK
$14.60Qty in Cart: 0Quantity:Price:$14.60Subtotal: -
EASTERN MOTORCYCLE PARTS Bearing Spacers - 5 pack A-9129
EASTERN MOTORCYCLE PARTS
$14.60High-quality OEM replacement components, Made in the U.S.A.09200077- SKU:
- 09200077
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- PRODUCT NAME:
- BEARING SPACER
- UNITS:
- 5 PACK
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- DIAMETER - THREAD SIZE IMPERIAL:
- 0.1095' - 0.1105'
- RIDING STYLE:
- STREET
- TYPE:
- CRANKCASE
$14.60 -
EASTERN MOTORCYCLE PARTS Bearing Spacers - 5 pack A-9130
EASTERN MOTORCYCLE PARTS
$14.60High-quality OEM replacement components, Made in the U.S.A.09200078- SKU:
- 09200078
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- COLOR/FINISH:
- CHROME
- DIAMETER - THREAD SIZE IMPERIAL:
- 0.1115' - 0.1125'
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- BEARING SPACER
- RIDING STYLE:
- STREET
- TYPE:
- CRANKCASE
- UNITS:
- 5 PACK
$14.60 -
EASTERN MOTORCYCLE PARTS Bearing Spacers - 5 pack A-9132
EASTERN MOTORCYCLE PARTS
$14.60High-quality OEM replacement components, Made in the U.S.A.09200080- SKU:
- 09200080
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- COLOR/FINISH:
- CHROME
- DIAMETER - THREAD SIZE IMPERIAL:
- 0.1155' - 0.1165'
- RIDING STYLE:
- STREET
- TYPE:
- CRANKCASE
- UNITS:
- 5 PACK
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- BEARING SPACER
$14.60Qty in Cart: 0Quantity:Price:$14.60Subtotal: -
EASTERN MOTORCYCLE PARTS Bearing Spacers - 5 pack A-9133
EASTERN MOTORCYCLE PARTS
$14.60High-quality OEM replacement components, Made in the U.S.A.09200081- SKU:
- 09200081
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- COLOR/FINISH:
- CHROME
- DIAMETER - THREAD SIZE IMPERIAL:
- 0.1175' - 0.1185'
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- BEARING SPACER
- TYPE:
- CRANKCASE
- UNITS:
- 5 PACK
$14.60 -
EASTERN MOTORCYCLE PARTS Bearing Spacers - 5 pack A-9134
EASTERN MOTORCYCLE PARTS
$14.60High-quality OEM replacement components, Made in the U.S.A.09200082- SKU:
- 09200082
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- COLOR/FINISH:
- CHROME
- DIAMETER - THREAD SIZE IMPERIAL:
- 0.1195' - 0.1205'
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- BEARING SPACER
- RIDING STYLE:
- STREET
- TYPE:
- CRANKCASE
- UNITS:
- 5 PACK
$14.60 -
EASTERN MOTORCYCLE PARTS Dowel Pins V13-205
EASTERN MOTORCYCLE PARTS
$13.30Replacement dowel pins09200089- SKU:
- 09200089
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- RIDING STYLE:
- STREET
- FEATURES:
- SIZE IS .394' X .375' L
- PRODUCT NAME:
- DOWEL PIN
- UNITS:
- 10 PACK
$13.30 -
EASTERN MOTORCYCLE PARTS Dowel Pins V-13-210
EASTERN MOTORCYCLE PARTS
$14.60Replacement dowel pins09200090- SKU:
- 09200090
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- FEATURES:
- SIZE IS .374' X .400' L
- PRODUCT NAME:
- DOWEL PIN
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
$14.60 -
EASTERN MOTORCYCLE PARTS Dowel Pins A-24754-75A
EASTERN MOTORCYCLE PARTS
$22.70Replacement dowel pins09200123- SKU:
- 09200123
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- DOWEL PIN
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
- FEATURES:
- SIZE IS .434' X .500' L
$22.70 -
EASTERN MOTORCYCLE PARTS Clutch Hub Bearing Rollers A-9540A
EASTERN MOTORCYCLE PARTS
$11.95High-quality OEM replacement componentsDS195005- SKU:
- DS195005
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BEARING ROLLER
- TYPE:
- CLUTCH HUB
- UNITS:
- 20 PACK
$11.95 -
EASTERN MOTORCYCLE PARTS Engine Sprocket Nut A-24003-55
EASTERN MOTORCYCLE PARTS
$12.95Motor sprocket nut for belt-drive conversions and/or eliminating compensating sprockets, Made in the U.S.A.DS194074- SKU:
- DS194074
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- TYPE:
- MOTOR SPROCKET
- PRODUCT NAME:
- NUT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$12.95 -
EASTERN MOTORCYCLE PARTS Left Side Crankcase Bushing A-24621-40
EASTERN MOTORCYCLE PARTS
$114.95Standard size, Made in the U.S.A.DS194098- SKU:
- DS194098
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- TYPE:
- CRANKCASE
$114.95 -
DRAG SPECIALTIES Crankcase Vent Replacement Filter 35-0312A-BC142
DRAG SPECIALTIES
$20.55Replacement filters sold separatelyDS289516- SKU:
- DS289516
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- BASE COLOR:
- SILVER
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- ALUMINUM
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- TYPE:
- CRANKCASE
- PRODUCT NAME:
- VENT FILTER
- TYPE:
- CHROME TOP
$20.55 -
DRAG SPECIALTIES Crankcase Vent Replacement Filter 35-0313-BC104
DRAG SPECIALTIES
$20.55Replacement filters sold separatelyDS289517- SKU:
- DS289517
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- ALUMINUM
- BASE COLOR:
- BLACK
- BASE COLOR:
- SILVER
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- VENT FILTER
- TYPE:
- RUBBER TOP
- RIDING STYLE:
- STREET
- TYPE:
- CRANKCASE
$20.55
