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
-
On Sale
EASTERN MOTORCYCLE PARTS Rod Bearing Set - Big Twin A-24346-87A
EASTERN MOTORCYCLE PARTS
MSRP: $76.95Now: $70.02Was: $76.95Big Twin engines demand bearing sets engineered for sustained high-RPM loads and precise tolerances—this Eastern Motorcycle Parts rod bearing set delivers the durability and reliability your engine...09240170- SKU:
- 09240170
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
- APPLICATION:
- CONNECTING ROD
- TYPE:
- ROLLER
- UNITS:
- SET
- PRODUCT NAME:
- BEARING SET
- RIDING STYLE:
- STREET
MSRP: $76.95Now: $70.02Was: $76.95 -
On Sale
EASTERN MOTORCYCLE PARTS Bearing Rod Set - XL A-24354-87A
EASTERN MOTORCYCLE PARTS
MSRP: $58.95Now: $53.64Was: $58.95A properly functioning bearing rod assembly is critical to maintaining engine reliability and longevity, especially under sustained high-RPM operation. This Eastern Motorcycle Parts bearing rod set...09240171- SKU:
- 09240171
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- BEARING SET
- RIDING STYLE:
- STREET
- APPLICATION:
- CONNECTING ROD
- UNITS:
- SET
- TYPE:
- ROLLER
MSRP: $58.95Now: $53.64Was: $58.95 -
On Sale
EASTERN MOTORCYCLE PARTS Rod Bearings - Standard - Big Twin B-74-1-RS
EASTERN MOTORCYCLE PARTS
MSRP: $20.95Now: $19.06Was: $20.95Rod bearings are critical to engine longevity—they're the interface between your crankshaft and connecting rods, handling immense load and heat cycles. Eastern Motorcycle Parts' Standard Big Twin...09240172- SKU:
- 09240172
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
- OUTSIDE DIAMETER IMPERIAL:
- STANDARD
- UNITS:
- SET
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
MSRP: $20.95Now: $19.06Was: $20.95 -
On Sale
EASTERN MOTORCYCLE PARTS Rod Bearings - .0002" B-74-2-RS
EASTERN MOTORCYCLE PARTS
MSRP: $20.95Now: $19.06Was: $20.95Rod bearings are the critical interface between your crankshaft and connecting rods—they must maintain precise clearances to prevent catastrophic engine failure. The EASTERN MOTORCYCLE PARTS...09240173- SKU:
- 09240173
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.0002')
- UNITS:
- SET
MSRP: $20.95Now: $19.06Was: $20.95 -
On Sale
EASTERN MOTORCYCLE PARTS Rod Bearings - .0004" B-74-3-RS
EASTERN MOTORCYCLE PARTS
MSRP: $20.95Now: $19.06Was: $20.95Rod bearings are the critical foundation of your engine's rotating assembly—they're what keep your crankshaft spinning smoothly under extreme loads and RPM. The Eastern Motorcycle Parts B-74-3-RS...09240174- SKU:
- 09240174
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
- UNITS:
- SET
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.0004')
- TYPE:
- ROLLER
MSRP: $20.95Now: $19.06Was: $20.95 -
On Sale
EASTERN MOTORCYCLE PARTS Rod Bearings - .0006" B-74-4-RS
EASTERN MOTORCYCLE PARTS
MSRP: $20.95Now: $19.06Was: $20.95Precision rod bearings are critical to engine reliability, especially in high-RPM and forced-induction applications where bearing wear directly impacts power delivery and engine longevity. The...09240175- SKU:
- 09240175
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.0006')
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
- PRODUCT NAME:
- BEARING
- APPLICATION:
- CONNECTING ROD
- UNITS:
- SET
MSRP: $20.95Now: $19.06Was: $20.95 -
On Sale
EASTERN MOTORCYCLE PARTS Rod Bearings - .0008" B-74-5-RS
EASTERN MOTORCYCLE PARTS
MSRP: $20.95Now: $19.06Was: $20.95Precision rod bearings are the foundation of reliable engine performance, especially in high-RPM and forced-induction applications where tolerances matter. Eastern Motorcycle Parts' B-74-5-RS...09240176- SKU:
- 09240176
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.0008')
- UNITS:
- SET
MSRP: $20.95Now: $19.06Was: $20.95 -
On Sale
EASTERN MOTORCYCLE PARTS Rod Bearings - +.001" B-74-6-RS
EASTERN MOTORCYCLE PARTS
MSRP: $20.95Now: $19.06Was: $20.95Precision rod bearings are the foundation of engine reliability, directly impacting power delivery and longevity under sustained load. The EASTERN MOTORCYCLE PARTS B-74-6-RS delivers the clearance...09240177- SKU:
- 09240177
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
- UNITS:
- SET
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.001')
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
MSRP: $20.95Now: $19.06Was: $20.95 -
On Sale
EASTERN MOTORCYCLE PARTS Bearings - Standard A-9220-28
EASTERN MOTORCYCLE PARTS
MSRP: $18.95Now: $17.24Was: $18.95Precision bearings are the foundation of reliable drivetrain performance—without them, you're gambling with power transfer and bearing failure. The EASTERN MOTORCYCLE PARTS Standard A-9220-28...09240180- SKU:
- 09240180
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 28 PACK
- TYPE:
- ROLLER
- APPLICATION:
- CONNECTING ROD
- OUTSIDE DIAMETER IMPERIAL:
- STANDARD
- PRODUCT NAME:
- BEARING
MSRP: $18.95Now: $17.24Was: $18.95 -
On Sale
EASTERN MOTORCYCLE PARTS Bearings - +.0002" A-9221-28
EASTERN MOTORCYCLE PARTS
MSRP: $18.95Now: $17.24Was: $18.95Precision motorcycle bearings are the foundation of reliable engine performance and smooth drivetrain operation. EASTERN MOTORCYCLE PARTS A-9221-28 bearings deliver the tight tolerances and...09240181- SKU:
- 09240181
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
- UNITS:
- 28 PACK
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.0002')
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
MSRP: $18.95Now: $17.24Was: $18.95 -
On Sale
EASTERN MOTORCYCLE PARTS Bearings - +.0004" A-9222-28
EASTERN MOTORCYCLE PARTS
MSRP: $18.95Now: $17.24Was: $18.95Precision bearings are the foundation of reliable motorcycle performance, and these Eastern Motorcycle Parts bearings deliver the tight tolerances your engine demands. With a +.0004" tolerance...09240182- SKU:
- 09240182
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
- TYPE:
- ROLLER
- UNITS:
- 28 PACK
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.0004')
MSRP: $18.95Now: $17.24Was: $18.95 -
On Sale
EASTERN MOTORCYCLE PARTS Bearings - +.0006" A-9223-28
EASTERN MOTORCYCLE PARTS
MSRP: $18.95Now: $17.24Was: $18.95Precision bearings are the foundation of reliable motorcycle performance, and the EASTERN MOTORCYCLE PARTS A-9223-28 delivers the tight tolerances your engine demands. With a +.0006" specification,...09240183- SKU:
- 09240183
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.0006')
- RIDING STYLE:
- STREET
- UNITS:
- 28 PACK
- TYPE:
- ROLLER
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
MSRP: $18.95Now: $17.24Was: $18.95 -
On Sale
EASTERN MOTORCYCLE PARTS Bearings - +.002" A-9226-28
EASTERN MOTORCYCLE PARTS
MSRP: $18.95Now: $17.24Was: $18.95Precision bearings are the foundation of reliable motorcycle performance, and Eastern Motorcycle Parts A-9226-28 delivers the tight tolerances your engine demands. With a +.002" specification, these...09240186- SKU:
- 09240186
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.002')
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
- UNITS:
- 28 PACK
MSRP: $18.95Now: $17.24Was: $18.95 -
On Sale
EASTERN MOTORCYCLE PARTS Bearings - Standard A-9421-13
EASTERN MOTORCYCLE PARTS
MSRP: $16.95Now: $15.42Was: $16.95Precision bearings are the foundation of reliable motorcycle performance, directly impacting drivetrain efficiency, handling response, and overall longevity. Eastern Motorcycle Parts A-9421-13...09240187- SKU:
- 09240187
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
- UNITS:
- 13 PACK
- APPLICATION:
- CONNECTING ROD
- OUTSIDE DIAMETER IMPERIAL:
- STANDARD
- TYPE:
- ROLLER
MSRP: $16.95Now: $15.42Was: $16.95 -
On Sale
EASTERN MOTORCYCLE PARTS Bearings - +.0002" A-9422-13
EASTERN MOTORCYCLE PARTS
MSRP: $16.95Now: $15.42Was: $16.95Precision motorcycle bearings are the foundation of reliable drivetrain performance, and Eastern's A-9422-13 delivers the tight tolerances your engine demands. With a +.0002" tolerance specification,...09240188- SKU:
- 09240188
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
- UNITS:
- 13 PACK
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.0002')
- TYPE:
- ROLLER
- RIDING STYLE:
- STREET
MSRP: $16.95Now: $15.42Was: $16.95 -
On Sale
EASTERN MOTORCYCLE PARTS Bearings - +.0004" A-9423-13
EASTERN MOTORCYCLE PARTS
MSRP: $16.95Now: $15.42Was: $16.95Precision bearings are the foundation of reliable engine performance, and Eastern Motorcycle Parts delivers the tight tolerances your build demands. With a +.0004" specification, these bearings...09240189- SKU:
- 09240189
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
- UNITS:
- 13 PACK
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.0004')
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
MSRP: $16.95Now: $15.42Was: $16.95Qty in Cart: 0Quantity:Price:MSRP: $16.95Now: $15.42Was: $16.95Subtotal: -
On Sale
EASTERN MOTORCYCLE PARTS Bearings - +.0006" A-9424-13
EASTERN MOTORCYCLE PARTS
MSRP: $16.95Now: $15.42Was: $16.95Precision bearings are the foundation of reliable engine performance, and these Eastern Motorcycle Parts bearings deliver the tight tolerances required for high-rpm applications. The +.0006"...09240190- SKU:
- 09240190
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.0006')
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
- UNITS:
- 13 PACK
MSRP: $16.95Now: $15.42Was: $16.95Qty in Cart: 0Quantity:Price:MSRP: $16.95Now: $15.42Was: $16.95Subtotal: -
On Sale
EASTERN MOTORCYCLE PARTS Rod Bearings - .0002" B-LATE-2-RS
EASTERN MOTORCYCLE PARTS
MSRP: $18.95Now: $17.24Was: $18.95Rod bearings are the critical interface between your crankshaft and connecting rods—they must maintain precise tolerances under extreme pressure and heat, or catastrophic engine failure follows. The...09240194- SKU:
- 09240194
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.0002')
- UNITS:
- SET
MSRP: $18.95Now: $17.24Was: $18.95 -
On Sale
EASTERN MOTORCYCLE PARTS Rod Bearings - .0004" B-LATE-3-RS
EASTERN MOTORCYCLE PARTS
MSRP: $18.95Now: $17.24Was: $18.95Rod bearings are the critical interface between your crankshaft and connecting rods—they're what keeps your engine running smoothly under load. Eastern Motorcycle Parts' .0004" B-LATE-3-RS bearings...09240195- SKU:
- 09240195
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- APPLICATION:
- CONNECTING ROD
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER IMPERIAL:
- OVERSIZE (+0.0004')
- TYPE:
- ROLLER
- UNITS:
- SET
MSRP: $18.95Now: $17.24Was: $18.95 -
On Sale
EASTERN MOTORCYCLE PARTS Tappet Adjusting Screws - Big Twin A-18555-36
EASTERN MOTORCYCLE PARTS
Now: $23.30Was: $25.60Proper valve clearance is non-negotiable for Big Twin performance and longevity. These OEM-quality tappet adjusting screws ensure precise valve lash settings, preventing costly compression loss,...DS193141- SKU:
- DS193141
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- UNITS:
- 4 PACK
- TYPE:
- TAPPET
- PRODUCT NAME:
- ADJUSTING SCREW
- RIDING STYLE:
- STREET
Now: $23.30Was: $25.60
