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
-
FEULING OIL PUMP CORP. Camchest Kit - HP+‚® - Twin Cam 7221
FEULING OIL PUMP CORP.
$1,939.95All necessary components from top-to-bottom of the camchest, Provide maximum reliability, longevity, peak performance, and the coolest engine and oil temperatures obtainable, Quieter and smoother engine operation, Increase oil pressure, scavenge volume...09251290- SKU:
- 09251290
- Availability:
- Ships Same Business Day
- Weight:
- 13.76 LBS
- INTAKE CLOSE IMPERIAL:
- 45°
- INTAKE LIFT IMPERIAL:
- 0.574'
- UNITS:
- KIT
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 255°
- INTAKE DURATION IMPERIAL:
- 240°
- RIDING STYLE:
- STREET
- TYPE:
- CHAIN CONVERSION
- EXHAUST CLOSE IMPERIAL:
- 14°
- EXHAUST OPEN IMPERIAL:
- 61°
- INTAKE OPEN IMPERIAL:
- 15°
- PRODUCT NAME:
- CAMCHEST KIT
- APPLICATION:
- EXHAUST
- EXHAUST LIFT IMPERIAL:
- 0.574'
- GRIND:
- 574 SERIES
- MODEL:
- HP+®
$1,939.95Qty in Cart: 0Quantity:Price:$1,939.95Subtotal: -
GARDNER-WESTCOTT Oil Gauge Elbow Fitting - 1/8" NPT 7-100PE-2
GARDNER-WESTCOTT
$14.95Oil Gauge fittings for 1/8" NPTDS245210- SKU:
- DS245210
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- FITTING
- TYPE:
- OIL GAUGE
- STYLE:
- ELBOW
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$14.95 -
GARDNER-WESTCOTT Oil Gauge Fitting - 1-1/2" Nipple - 1/8" NPT 7-113PLN-2X1.5
GARDNER-WESTCOTT
$7.95Oil Gauge fittings for 1/8" NPTDS245225- SKU:
- DS245225
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- FITTING
- RIDING STYLE:
- STREET
- STYLE:
- NIPPLE
- TYPE:
- OIL GAUGE
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
$7.95Qty in Cart: 0Quantity:Price:$7.95Subtotal: -
On Sale
GOODRIDGE Oil Line - Stainless Steel - 1/4" - 6' 202-04-6
GOODRIDGE
MSRP: $50.95Now: $45.86Was: $50.95An economical single braid hose for use with hose finishers or common hose clamps, Compatible for fuel and oil applications07110090- SKU:
- 07110090
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- INSIDE DIAMETER IMPERIAL:
- 1/4'
- MATERIAL:
- NEOPRENE
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- HOSE
- STYLE:
- BRAIDED
- LENGTH IMPERIAL:
- 6'
- TYPE:
- OIL LINE
- UNITS:
- EACH
- COLOR/FINISH:
- SILVER
- INSIDE DIAMETER METRIC:
- 6.4 MM
- LENGTH METRIC:
- 183 CM
- RIDING STYLE:
- STREET
- TYPE:
- FUEL
MSRP: $50.95Now: $45.86Was: $50.95 -
On Sale
GOODRIDGE Oil Line - Stainless Steel - 5/16" - 6' 202-05-6
GOODRIDGE
MSRP: $50.95Now: $45.86Was: $50.95An economical single braid hose for use with hose finishers or common hose clamps, Compatible for fuel and oil applications07110093- SKU:
- 07110093
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MATERIAL:
- NEOPRENE
- PRODUCT NAME:
- HOSE
- STYLE:
- BRAIDED
- TYPE:
- FUEL
- INSIDE DIAMETER METRIC:
- 7.9 MM
- LENGTH IMPERIAL:
- 6'
- LENGTH METRIC:
- 183 CM
- RIDING STYLE:
- STREET
- TYPE:
- OIL LINE
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- COLOR/FINISH:
- SILVER
- INSIDE DIAMETER IMPERIAL:
- 5/16'
MSRP: $50.95Now: $45.86Was: $50.95Qty in Cart: 0Quantity:Price:MSRP: $50.95Now: $45.86Was: $50.95Subtotal: -
On Sale
GOODRIDGE Universal Oil Line - 6" VTOL-006
GOODRIDGE
MSRP: $36.95Now: $33.26Was: $36.95Feature stainless steel braided hose with PTFE inner liner and beautifully chromed mild steel hardware, PTFE liner is an inert material, compatible with all oils and hydraulic fluids and has a heat range of -158°F to 500°F; shields oil systems from...07110133- SKU:
- 07110133
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- LINE
- UNITS:
- EACH
- LENGTH IMPERIAL:
- 6'
- LENGTH METRIC:
- 15 CM
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- BRAIDED
- BASE COLOR:
- SILVER
- RIDING STYLE:
- STREET
- TYPE:
- OIL
MSRP: $36.95Now: $33.26Was: $36.95Qty in Cart: 0Quantity:Price:MSRP: $36.95Now: $33.26Was: $36.95Subtotal: -
On Sale
GOODRIDGE Universal Oil Line - 7" VTOL-007
GOODRIDGE
MSRP: $36.95Now: $33.26Was: $36.95Feature stainless steel braided hose with PTFE inner liner and beautifully chromed mild steel hardware, PTFE liner is an inert material, compatible with all oils and hydraulic fluids and has a heat range of -158°F to 500°F; shields oil systems from...07110134- SKU:
- 07110134
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- LENGTH METRIC:
- 18 CM
- MATERIAL:
- STAINLESS STEEL
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- LINE
- UNITS:
- EACH
- STYLE:
- BRAIDED
- BASE COLOR:
- SILVER
- LENGTH IMPERIAL:
- 7'
- RIDING STYLE:
- STREET
- TYPE:
- OIL
MSRP: $36.95Now: $33.26Was: $36.95 -
On Sale
GOODRIDGE Universal Oil Line - 8" VTOL-008
GOODRIDGE
MSRP: $37.95Now: $34.16Was: $37.95Feature stainless steel braided hose with PTFE inner liner and beautifully chromed mild steel hardware, PTFE liner is an inert material, compatible with all oils and hydraulic fluids and has a heat range of -158°F to 500°F; shields oil systems from...07110135- SKU:
- 07110135
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BASE COLOR:
- SILVER
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- UNITS:
- EACH
- LENGTH IMPERIAL:
- 8'
- LENGTH METRIC:
- 20.5 CM
- STYLE:
- BRAIDED
- PRODUCT NAME:
- LINE
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STAINLESS STEEL
MSRP: $37.95Now: $34.16Was: $37.95Qty in Cart: 0Quantity:Price:MSRP: $37.95Now: $34.16Was: $37.95Subtotal: -
On Sale
GOODRIDGE Universal Oil Line - 9" VTOL-009
GOODRIDGE
MSRP: $41.29Now: $35.06Was: $41.29Feature stainless steel braided hose with PTFE inner liner and beautifully chromed mild steel hardware, PTFE liner is an inert material, compatible with all oils and hydraulic fluids and has a heat range of -158°F to 500°F; shields oil systems from...07110136- SKU:
- 07110136
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- BRAIDED
- COLOR/FINISH:
- CHROME
- LENGTH METRIC:
- 23 CM
- UNITS:
- EACH
- LENGTH IMPERIAL:
- 9'
- PRODUCT NAME:
- LINE
- BASE COLOR:
- SILVER
- RIDING STYLE:
- STREET
- TYPE:
- OIL
MSRP: $41.29Now: $35.06Was: $41.29Qty in Cart: 0Quantity:Price:MSRP: $41.29Now: $35.06Was: $41.29Subtotal: -
K & N Oil Filter - Black - Buell KN-177
K & N
$17.99K&N delivers a premium oil filter which is built with a synthetic media specifically designed to withstand the high concentrates of synthetic racing oils, A large filter media provides high-flow rates and outstanding oil filtration to keep your motor...07120045- SKU:
- 07120045
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
- BASE FINISH:
- COATED
- RIDING STYLE:
- STREET
- STYLE:
- PREMIUM
- COLOR/FINISH:
- BLACK
- FEATURES:
- INCLUDES NUT
- FILTER MEDIA MATERIAL:
- SYNTHETIC
- PRODUCT NAME:
- OIL FILTER
- BASE COLOR:
- BLACK
- UNITS:
- EACH
- LENGTH METRIC:
- 75 MM
- TYPE:
- SPIN-ON
$17.99 -
K & N Oil Filter - Black - Twin Cam KN-171B
K & N
$17.99K&N delivers a premium oil filter which is built with a synthetic media specifically designed to withstand the high concentrates of synthetic racing oils, A large filter media provides high-flow rates and outstanding oil filtration to keep your motor...KN171B- SKU:
- KN171B
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BASE COLOR:
- BLACK
- UNITS:
- EACH
- FEATURES:
- INCLUDES NUT
- FILTER MEDIA MATERIAL:
- SYNTHETIC
- RIDING STYLE:
- STREET
- BASE FINISH:
- COATED
- MODEL:
- WRENCH-OFF
- PRODUCT NAME:
- OIL FILTER
- STYLE:
- PREMIUM
- TYPE:
- SPIN-ON
- COLOR/FINISH:
- BLACK
- LENGTH METRIC:
- 94 MM
$17.99 -
K & N Oil Filter - Chrome - Twin Cam KN-171C
K & N
$19.99K&N delivers a premium oil filter which is built with a synthetic media specifically designed to withstand the high concentrates of synthetic racing oils, A large filter media provides high-flow rates and outstanding oil filtration to keep your motor...KN171C- SKU:
- KN171C
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- FILTER MEDIA MATERIAL:
- SYNTHETIC
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD
- TYPE:
- SPIN-ON
- BASE COLOR:
- SILVER
- LENGTH METRIC:
- 94 MM
- BASE FINISH:
- CHROME
- FEATURES:
- INCLUDES NUT
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
$19.99 -
ULTRACOOL Fairing Mount Oil Cooler Kit - Black SMT-4
ULTRACOOL
$549.99Oil Adapter and Thermal Switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 degrees, Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation, Sealed Waterproof IP68 Dual...07130225- SKU:
- 07130225
- Availability:
- Ships Same Business Day
- Weight:
- 5.26 LBS
- BASE COLOR:
- BLACK
- MOUNTING POSITION:
- LOWER FAIRING
- PRODUCT NAME:
- OIL COOLER
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
$549.99 -
ULTRACOOL Oil Cooler Kit - Black SMT8-3
ULTRACOOL
$549.99Oil Adapter and Thermal Switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 degrees, Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation, Sealed Waterproof IP68 Dual...07130226- SKU:
- 07130226
- Availability:
- Ships Same Business Day
- Weight:
- 4.51 LBS
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
- MOUNTING POSITION:
- LOWER FAIRING
- PRODUCT NAME:
- OIL COOLER
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
$549.99 -
ULTRACOOL Below Regulator Mount Oil Cooler- Gloss Black RF-2GSS
ULTRACOOL
$549.99Specifically designed for the T series S&S 111, 124 and 143 engines, Includes a special machined adapter to fit perfectly into the S&S cases, Will not fit with water cooled heads07130247- SKU:
- 07130247
- Availability:
- Ships Same Business Day
- Weight:
- 3.59 LBS
- BASE FINISH:
- GLOSS
- UNITS:
- KIT
- COLOR/FINISH:
- GLOSS BLACK
- PRODUCT NAME:
- OIL COOLER
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- MOUNTING POSITION:
- BELOW REGULATOR
$549.99 -
ULTRACOOL Below Regulator Mount Oil Cooler- Flat Black RF-2FSS
ULTRACOOL
$549.99Specifically designed for the T series S&S 111, 124 and 143 engines, Includes a special machined adapter to fit perfectly into the S&S cases, Will not fit with water cooled heads07130248- SKU:
- 07130248
- Availability:
- Ships Same Business Day
- Weight:
- 3.63 LBS
- BASE COLOR:
- BLACK
- BASE FINISH:
- FLAT
- COLOR/FINISH:
- FLAT BLACK
- MOUNTING POSITION:
- BELOW REGULATOR
- PRODUCT NAME:
- OIL COOLER
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$549.99 -
ULTRACOOL Side Mount Oil Cooler - Black SMT-2GSS
ULTRACOOL
$589.99Sealed waterproof IP68 fans produce 220 CFM of airflow, Oil adapter and thermal switch automatically turns on the dual fans when your oil reaches 210°F, Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation,...07130250- SKU:
- 07130250
- Availability:
- Ships Same Business Day
- Weight:
- 7.81 LBS
- MOUNTING POSITION:
- SIDE MOUNT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- GLOSS
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- OIL COOLER
$589.99Qty in Cart: 0Quantity:Price:$589.99Subtotal: -
ULTRACOOL Oil Cooler Kit - Chrome RF-1SS
ULTRACOOL
$549.99Oil Adapter and Thermal Switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 degrees, Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation, Sealed Waterproof IP68 Dual...07130146- SKU:
- 07130146
- Availability:
- Ships Same Business Day
- Weight:
- 7.31 LBS
- MOUNTING POSITION:
- CENTER MOUNT
- PRODUCT NAME:
- OIL COOLER
- UNITS:
- KIT
- COLOR/FINISH:
- CHROME
- MOUNTING POSITION:
- BELOW REGULATOR
- RIDING STYLE:
- STREET
- BASE FINISH:
- NATURAL
$549.99 -
ULTRACOOL Oil Cooler Kit - Black RF-1G
ULTRACOOL
$549.99Oil Adapter and Thermal Switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 degrees, Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation, Sealed Waterproof IP68 Dual...07130147- SKU:
- 07130147
- Availability:
- Ships Same Business Day
- Weight:
- 7.55 LBS
- BASE COLOR:
- BLACK
- MOUNTING POSITION:
- BELOW REGULATOR
- COLOR/FINISH:
- GLOSS BLACK
- PRODUCT NAME:
- OIL COOLER
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- CENTER MOUNT
- UNITS:
- KIT
$549.99 -
ULTRACOOL Oil Cooler Kit - Flat Black RF-1F
ULTRACOOL
$499.00Oil Adapter and Thermal Switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 degrees, Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation, Sealed Waterproof IP68 Dual...07130148- SKU:
- 07130148
- Availability:
- Ships Same Business Day
- Weight:
- 7.45 LBS
- MOUNTING POSITION:
- CENTER MOUNT
- PRODUCT NAME:
- OIL COOLER
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- FLAT BLACK
- MOUNTING POSITION:
- BELOW REGULATOR
- UNITS:
- KIT
- BASE FINISH:
- FLAT
- RIDING STYLE:
- STREET
$499.00Qty in Cart: 0Quantity:Price:$499.00Subtotal:
