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
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EASTERN MOTORCYCLE PARTS Sprocket Shaft Spacer A-24008-03
EASTERN MOTORCYCLE PARTS
$31.95Made in the U.S.A.09500357- SKU:
- 09500357
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- SPROCKET
- PRODUCT NAME:
- SHAFT SPACER
$31.95 -
EASTERN MOTORCYCLE PARTS Cam Bearing 40-0300
EASTERN MOTORCYCLE PARTS
$14.95OEM-quality replacement component09240262- SKU:
- 09240262
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- CAM
- PRODUCT NAME:
- BEARING
- UNITS:
- EACH
- TYPE:
- NEEDLE
- RIDING STYLE:
- STREET
$14.95 -
EASTERN MOTORCYCLE PARTS Pinion Bearing A-23928-87
EASTERN MOTORCYCLE PARTS
$31.95High-quality OEM replacement component09240264- SKU:
- 09240264
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- PINION SHAFT
- PRODUCT NAME:
- BEARING
- UNITS:
- EACH
$31.95 -
EASTERN MOTORCYCLE PARTS Bearing - Blue A-24647-87
EASTERN MOTORCYCLE PARTS
$55.95Caged bearings, Same color coding as OEM, Made in the U.S.A.09240265- SKU:
- 09240265
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
- UNITS:
- EACH
- APPLICATION:
- PINION SHAFT
- PRODUCT NAME:
- BEARING
$55.95 -
EASTERN MOTORCYCLE PARTS Pinion Bearing A-24658-87
EASTERN MOTORCYCLE PARTS
$34.95High-quality OEM replacement component09240267- SKU:
- 09240267
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- APPLICATION:
- PINION SHAFT
$34.95 -
EASTERN MOTORCYCLE PARTS Cam Cover Bushing A-25581-70+5
EASTERN MOTORCYCLE PARTS
$38.95High-quality OEM components, Made in the U.S.A.09240272- SKU:
- 09240272
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- UNITS:
- EACH
- SIZE IMPERIAL:
- OVERSIZE (+0.005')
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
$38.95 -
EASTERN MOTORCYCLE PARTS Tappet - Standard - Big Twin A-18492-48
EASTERN MOTORCYCLE PARTS
$132.95Made in the U.S.A.09290019- SKU:
- 09290019
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- SIZE IMPERIAL:
- STANDARD
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- TAPPET
- SIZE:
- STANDARD
$132.95 -
EASTERN MOTORCYCLE PARTS Tappet - .005 - Big Twin A-18492-78
EASTERN MOTORCYCLE PARTS
$130.95Made in the U.S.A.09290020- SKU:
- 09290020
- Availability:
- Ships Same Business Day
- Weight:
- 0.27 LBS
- SIZE IMPERIAL:
- OVERSIZE (+0.005')
- PRODUCT NAME:
- TAPPET
- SIZE:
- OVERSIZE (+0,005')
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$130.95 -
EASTERN MOTORCYCLE PARTS Tappet - Standard - XL A-18508-52B
EASTERN MOTORCYCLE PARTS
$114.95Made in the U.S.A.09290021- SKU:
- 09290021
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- RIDING STYLE:
- STREET
- SIZE:
- STANDARD
- PRODUCT NAME:
- TAPPET
- UNITS:
- EACH
$114.95 -
EASTERN MOTORCYCLE PARTS Rocker Arm Lock Nut V-13-241
EASTERN MOTORCYCLE PARTS
$18.955/16"-24 x 1/2" hex style, Made in the U.S.A.09270031- SKU:
- 09270031
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- ROCKER ARM
- RIDING STYLE:
- STREET
- TYPE:
- LOCK
- UNITS:
- 4 PACK
- PRODUCT NAME:
- NUT
$18.95 -
EASTERN MOTORCYCLE PARTS Rocker Arm Shims - .007" A-6767
EASTERN MOTORCYCLE PARTS
$6.60Made in the U.S.A.09270006- SKU:
- 09270006
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- EXHAUST
- MOUNTING POSITION:
- FRONT
- TYPE:
- ROCKER ARM
- APPLICATION:
- INTAKE
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
- SIZE:
- 0,007'
- SIZE IMPERIAL:
- 0.007'
- UNITS:
- 10 PACK
$6.60 -
EASTERN MOTORCYCLE PARTS Rocker Arm Shims - .005" A-6767A
EASTERN MOTORCYCLE PARTS
$6.60Made in the U.S.A.09270007- SKU:
- 09270007
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- EXHAUST
- SIZE IMPERIAL:
- 0.005'
- TYPE:
- ROCKER ARM
- MOUNTING POSITION:
- FRONT
- UNITS:
- 10 PACK
- PRODUCT NAME:
- SHIM
- SIZE:
- 0,005'
- APPLICATION:
- INTAKE
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$6.60 -
EASTERN MOTORCYCLE PARTS Rocker Arm Shims - .015" A-6767B
EASTERN MOTORCYCLE PARTS
$6.60Made in the U.S.A.09270008- SKU:
- 09270008
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- MOUNTING POSITION:
- FRONT
- APPLICATION:
- EXHAUST
- SIZE:
- 0,015'
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- 0.015'
- TYPE:
- ROCKER ARM
- UNITS:
- 10 PACK
$6.60 -
EASTERN MOTORCYCLE PARTS Rocker Arm Spacers A-17452-66
EASTERN MOTORCYCLE PARTS
$14.60Made in the U.S.A.09270009- SKU:
- 09270009
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPACER
- UNITS:
- 4 PACK
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- REAR
- TYPE:
- ROCKER ARM SHAFT
$14.60 -
EASTERN MOTORCYCLE PARTS Rocker Shaft Spacers A-17451-57
EASTERN MOTORCYCLE PARTS
$9.30Made in the U.S.A.09270011- SKU:
- 09270011
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- SPACER
- TYPE:
- ROCKER ARM SHAFT
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
$9.30 -
EASTERN MOTORCYCLE PARTS Rocker Shaft Washers A-17450-73
EASTERN MOTORCYCLE PARTS
$6.60Made in the U.S.A.09270013- SKU:
- 09270013
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- WASHER
- TYPE:
- ROCKER ARM SHAFT
- APPLICATION:
- EXHAUST
- MOUNTING POSITION:
- FRONT
- UNITS:
- 10 PACK
$6.60 -
EASTERN MOTORCYCLE PARTS Rocker Arm Washers A-6466
EASTERN MOTORCYCLE PARTS
$6.60Replace the washers found under the rocker shaft nuts, Steel construction with a zinc finish, Made in the U.S.A.09270025- SKU:
- 09270025
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- WASHER
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- TYPE:
- ROCKER ARM SHAFT
- APPLICATION:
- EXHAUST
- MOUNTING POSITION:
- FRONT
$6.60 -
EASTERN MOTORCYCLE PARTS Oil Pump Drive Gear A-26349-54
EASTERN MOTORCYCLE PARTS
$41.95Made in the U.S.A.09320033- SKU:
- 09320033
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- EACH
- TYPE:
- OIL PUMP
- PRODUCT NAME:
- DRIVE GEAR
- RIDING STYLE:
- STREET
$41.95 -
On Sale
EASTERN MOTORCYCLE PARTS Oil Pump Drive Gear A-26349-84
EASTERN MOTORCYCLE PARTS
MSRP: $37.95Now: $24.00Was: $37.95Made in the U.S.A.09320034- SKU:
- 09320034
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- DRIVE GEAR
- RIDING STYLE:
- STREET
- TYPE:
- OIL PUMP
MSRP: $37.95Now: $24.00Was: $37.95 -
EASTERN MOTORCYCLE PARTS Rod Bearings - +.002" B-EV-7
EASTERN MOTORCYCLE PARTS
$21.95Made in the U.S.A.09240480- SKU:
- 09240480
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.002')
- TYPE:
- ROLLER
- UNITS:
- SET
- RIDING STYLE:
- STREET
$21.95
