Harley Engine
Harley Bike Engine Parts at JJ Motorsports
Rebuild and boost your Harley's engine with premium parts from JJ Motorsports. Our inventory features complete gasket sets, piston kits, oil filters, pushrod tubes, and coolers designed for maximum strength, leak-free sealing, and high-performance in extreme conditions. Compatible with Big Twins, Softail, Touring, and more, these components support top-end overhauls, oil management, and durability for street rides or custom builds.
Shop trusted brands like Drag Specialties for magnetic filters and Wiseco for forged pistons. Explore related categories such as Harley air and fuel for carb tuning or Harley drivetrain for transmission upgrades.
Top Harley Engine Products
- DRAG SPECIALTIES Magnetic Ring Oil Filter - Chrome - 3-1/4" 140003HP-BX18 – Captures metal particles with pressure relief.
- WISECO Piston Kit .010 .883 XL K1656 – Forged aluminum with rings, pins, and circlips for rebuilds.
- DRAG SPECIALTIES Pushrod Tube Kit Big Twin 75711 – Includes tubes, clips, cups, and springs for complete engine.
- ULTRACOOL Below Regulator Mount Oil Cooler Stainless Steel RF-2CSS – Fits S&S 111/124/143 engines with machined adapter.
- PAUGHCO Ribbed Teardrop Air Cleaner 701-200 – Chrome-plated aluminum with mini filter.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
EASTERN MOTORCYCLE PARTS Bearing A-9058
EASTERN MOTORCYCLE PARTS
$35.95Replacement mainshaft bearing for 5-speed Big Twins09240590- SKU:
- 09240590
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- NEEDLE
- APPLICATION:
- CAM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- BEARING
$35.95 -
EASTERN MOTORCYCLE PARTS Bearing A-9063
EASTERN MOTORCYCLE PARTS
$31.95Replacement mainshaft bearing for 5-speed Big Twins09240591- SKU:
- 09240591
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- TYPE:
- OPEN END
- UNITS:
- EACH
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
$31.95 -
EASTERN MOTORCYCLE PARTS Bearing A-24648-77
EASTERN MOTORCYCLE PARTS
$51.95Replacement mainshaft bearing for 5-speed Big Twins09240592- SKU:
- 09240592
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- BEARING
- TYPE:
- OPEN END
- RIDING STYLE:
- STREET
$51.95 -
EASTERN MOTORCYCLE PARTS Bearing A-35960-54
EASTERN MOTORCYCLE PARTS
$26.95Replacement mainshaft bearing for 5-speed Big Twins09240593- SKU:
- 09240593
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- BEARING
- TYPE:
- CLOSED END
- RIDING STYLE:
- STREET
$26.95 -
EASTERN MOTORCYCLE PARTS Bearing A-35961-52
EASTERN MOTORCYCLE PARTS
$35.95Replacement mainshaft bearing for 5-speed Big Twins09240594- SKU:
- 09240594
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- BEARING
- TYPE:
- OPEN END
- RIDING STYLE:
- STREET
$35.95 -
EASTERN MOTORCYCLE PARTS Left Main Bearing 45-0215
EASTERN MOTORCYCLE PARTS
$130.95Replacement mainshaft bearing for 5-speed Big Twins09240595- SKU:
- 09240595
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
- TYPE:
- OPEN END
- UNITS:
- EACH
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
$130.95 -
EASTERN MOTORCYCLE PARTS Dowel Pin Bushing A-275
EASTERN MOTORCYCLE PARTS
$5.30.125" x .250" long, Made in the U.S.A.09250531- SKU:
- 09250531
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- DOWEL PIN
- RIDING STYLE:
- STREET
- UNITS:
- 25 PACK
- TYPE:
- PINION
- TYPE:
- GEAR
$5.30 -
EASTERN MOTORCYCLE PARTS Cam Shims - XL A-6773
EASTERN MOTORCYCLE PARTS
$6.60A must when setting up new cams09250284- SKU:
- 09250284
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- SIZE IMPERIAL:
- 0.005'
- TYPE:
- 2ND GEAR
- TYPE:
- CAM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SHIM
- UNITS:
- 10 PACK
$6.60 -
EASTERN MOTORCYCLE PARTS Cam Shims - XL A-6775
EASTERN MOTORCYCLE PARTS
$6.60A must when setting up new cams09250285- SKU:
- 09250285
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- SIZE IMPERIAL:
- 0.010'
- TYPE:
- CAM
- UNITS:
- 10 PACK
- TYPE:
- 2ND GEAR
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
$6.60Qty in Cart: 0Quantity:Price:$6.60Subtotal: -
EASTERN MOTORCYCLE PARTS Cam Shims - XL A-6778
EASTERN MOTORCYCLE PARTS
$6.60A must when setting up new cams09250286- SKU:
- 09250286
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- 2ND GEAR
- TYPE:
- CAM
- UNITS:
- 10 PACK
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- 0.015'
$6.60 -
EASTERN MOTORCYCLE PARTS Washer Thrust Cam - .040" A-25550-90
EASTERN MOTORCYCLE PARTS
$13.30Made in the U.S.A.09250288- SKU:
- 09250288
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- WASHER
- RIDING STYLE:
- STREET
- TYPE:
- THRUST
- UNITS:
- 5 PACK
$13.30 -
EASTERN MOTORCYCLE PARTS Cam Shims A-25555-84
EASTERN MOTORCYCLE PARTS
$13.30Made in the U.S.A.09250289- SKU:
- 09250289
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- SIZE IMPERIAL:
- 0.45'
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SHIM
- UNITS:
- 5 PACK
- TYPE:
- CAM
$13.30 -
EASTERN MOTORCYCLE PARTS Thrust Plate Cam Gears - XL A-25551-58
EASTERN MOTORCYCLE PARTS
$26.95Made in the U.S.A.09250290- SKU:
- 09250290
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- TYPE:
- CAM
- PRODUCT NAME:
- THRUST PLATE
$26.95 -
EASTERN MOTORCYCLE PARTS Connecting Rod Races E-2000
EASTERN MOTORCYCLE PARTS
$31.95Made in the U.S.A.09230270- SKU:
- 09230270
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- UNITS:
- SET OF 3
- TYPE:
- CONNECTING ROD
- PRODUCT NAME:
- RACE
- RIDING STYLE:
- STREET
$31.95 -
EASTERN MOTORCYCLE PARTS Connecting Rod Races E-2001
EASTERN MOTORCYCLE PARTS
$31.95Made in the U.S.A.09230271- SKU:
- 09230271
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- RACE
- RIDING STYLE:
- STREET
- UNITS:
- SET OF 3
- TYPE:
- CONNECTING ROD
$31.95 -
EASTERN MOTORCYCLE PARTS Race Bearing A-24004-RACE
EASTERN MOTORCYCLE PARTS
$92.95Bearing and bearing race available separately, Made in the U.S.A.09210527- SKU:
- 09210527
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- STREET
- TYPE:
- RACE
- UNITS:
- EACH
- PRODUCT NAME:
- BEARING
$92.95 -
EASTERN MOTORCYCLE PARTS Bushing A-25344-99
EASTERN MOTORCYCLE PARTS
$26.95High-quality OEM components, Made in the U.S.A.09210528- SKU:
- 09210528
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- PRODUCT NAME:
- BUSHING
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- PINION
$26.95 -
EASTERN MOTORCYCLE PARTS P-ROD L-NUT7848W L84-15 A-7848W
EASTERN MOTORCYCLE PARTS
$6.60Made in the U.S.A.DS195159- SKU:
- DS195159
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- TYPE:
- CLUTCH
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- LOCK NUT
- UNITS:
- 10 PACK
$6.60 -
EASTERN MOTORCYCLE PARTS Washers A-35875-SET
EASTERN MOTORCYCLE PARTS
$41.95Made in the U.S.A.DS195160- SKU:
- DS195160
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- TYPE:
- COUNTERSHAFT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- WASHER SET
- TYPE:
- GEAR END
- UNITS:
- 7 PACK
$41.95 -
EASTERN MOTORCYCLE PARTS Washers A-35811-36
EASTERN MOTORCYCLE PARTS
$17.301st and 2nd gear countershaft washersDS195161- SKU:
- DS195161
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- 1ST GEAR
- TYPE:
- 2ND GEAR
- UNITS:
- 5 PACK
- PRODUCT NAME:
- WASHER SET
- RIDING STYLE:
- STREET
- TYPE:
- COUNTERSHAFT
$17.30
