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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FEULING OIL PUMP CORP. Race Lifters - Standard - M8 4017
FEULING OIL PUMP CORP.
$299.95Full-travel hydraulic lifters made from machined steel, Exceed the needs of large-lift camshafts and higher spring pressures with a slower bleed-down rate, Maintain proper and critical oil flow to valves, springs, rockers, shafts and valve guides,...09290072- SKU:
- 09290072
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- RIDING STYLE:
- STREET
- SIZE:
- STANDARD
- TYPE:
- HYDRAULIC
- MATERIAL:
- STEEL
- PRODUCT NAME:
- LIFTER
- STYLE:
- FULL-TRAVEL
- MODEL:
- RACE SERIES®
- SIZE IMPERIAL:
- STANDARD
- UNITS:
- SET OF 4
$299.95 -
FEULING OIL PUMP CORP. Race Lifters - M8 4018
FEULING OIL PUMP CORP.
$299.95Full-travel hydraulic lifters made from machined steel, Exceed the needs of large-lift camshafts and higher spring pressures with a slower bleed-down rate, Maintain proper and critical oil flow to valves, springs, rockers, shafts and valve guides,...09290073- SKU:
- 09290073
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- LIFTER
- SIZE IMPERIAL:
- + 0.8432' - 0.8435'
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- MODEL:
- RACE SERIES®
- SIZE:
- + 0,8432' - 0,8435'
- UNITS:
- SET OF 4
- STYLE:
- FULL-TRAVEL
- TYPE:
- HYDRAULIC
$299.95 -
FEULING OIL PUMP CORP. Race Lifters - M8 4019
FEULING OIL PUMP CORP.
$299.95Full-travel hydraulic lifters made from machined steel, Exceed the needs of large-lift camshafts and higher spring pressures with a slower bleed-down rate, Maintain proper and critical oil flow to valves, springs, rockers, shafts and valve guides,...09290074- SKU:
- 09290074
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- MODEL:
- RACE SERIES®
- PRODUCT NAME:
- LIFTER
- UNITS:
- SET OF 4
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- + 0.8437' - 0.844'
- STYLE:
- FULL-TRAVEL
- TYPE:
- HYDRAULIC
- APPLICATION:
- EXHAUST
- SIZE:
- + 0,8437' - 0,844'
$299.95 -
FEULING OIL PUMP CORP. Lifters - Race Series - M8 4017ST
FEULING OIL PUMP CORP.
$319.95New revolutionary design with 0.115 of total travel vs. a full travel lifter with 0.200. These hydraulic lifters will increase RPM by decreasing valve float and valve-train harmonics while maintaining a quiet engine. The travel reduction reduces the...09290081- SKU:
- 09290081
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- MODEL:
- RACE SERIES®
- PRODUCT NAME:
- LIFTER
- STYLE:
- SHORT-TRAVEL
- UNITS:
- SET OF 4
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- 0.8420' - 0.8423'
- TYPE:
- HYDRAULIC
- APPLICATION:
- EXHAUST
$319.95 -
FEULING OIL PUMP CORP. Lifters - Race Series - M8 4018ST
FEULING OIL PUMP CORP.
$319.95New revolutionary design with 0.115 of total travel vs. a full travel lifter with 0.200. These hydraulic lifters will increase RPM by decreasing valve float and valve-train harmonics while maintaining a quiet engine. The travel reduction reduces the...09290082- SKU:
- 09290082
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- MODEL:
- RACE SERIES®
- PRODUCT NAME:
- LIFTER
- SIZE IMPERIAL:
- +0.843' - 0.8435'
- STYLE:
- SHORT-TRAVEL
- UNITS:
- SET OF 4
- APPLICATION:
- EXHAUST
- TYPE:
- HYDRAULIC
$319.95 -
FEULING OIL PUMP CORP. Lifters - Race Series - M8 4019ST
FEULING OIL PUMP CORP.
$319.95New revolutionary design with 0.115 of total travel vs. a full travel lifter with 0.200. These hydraulic lifters will increase RPM by decreasing valve float and valve-train harmonics while maintaining a quiet engine. The travel reduction reduces the...09290083- SKU:
- 09290083
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- MODEL:
- RACE SERIES®
- PRODUCT NAME:
- LIFTER
- STYLE:
- SHORT-TRAVEL
- SIZE IMPERIAL:
- + 0.8435' - 0.844'
- TYPE:
- HYDRAULIC
- APPLICATION:
- EXHAUST
- UNITS:
- SET OF 4
$319.95 -
FEULING OIL PUMP CORP. Cam Outer Bearing 2078
FEULING OIL PUMP CORP.
$69.95Kit includes one ball bearing front cam bearing and one roller bearing rear cam bearing with race09240277- SKU:
- 09240277
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- STREET
- STYLE:
- CHAIN DRIVE
- UNITS:
- KIT
- APPLICATION:
- CAMSHAFT
- PRODUCT NAME:
- BEARING
$69.95 -
FEULING OIL PUMP CORP. Cam Plate - Chain Drive - Twin Cam 8010
FEULING OIL PUMP CORP.
$399.95Feuling® HIGH FLOW cam plates for T/C® engines increase engine oil flow and volume by enlarging the oil pump reservoirs and critical oil passages, including matching the oil port holes throughout the cam plate to the port holes in the engine case...09250109- SKU:
- 09250109
- Availability:
- Ships Same Business Day
- Weight:
- 2.09 LBS
- BASE COLOR:
- RED
- TYPE:
- CHAIN
- UNITS:
- EACH
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SUPPORT PLATE
- RIDING STYLE:
- STREET
$399.95 -
FEULING OIL PUMP CORP. Pressure Relief Spring - 6 pack 8019
FEULING OIL PUMP CORP.
$26.95Increases pressure relief valve pop-off psi, Spring alone provides proper spring rate to control pop-off pressure and oil flow in bypass port, Made in the U.S.A.09250300- SKU:
- 09250300
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- TYPE:
- PRESSURE RELIEF
- PRODUCT NAME:
- SPRING
- RIDING STYLE:
- STREET
- UNITS:
- 6 PACK
$26.95 -
FEULING OIL PUMP CORP. Chain Conversion Kit - Twin Cam 8080
FEULING OIL PUMP CORP.
$399.95Kits allow engine builders to update early style mechanical cam chain tensioner Twin Cam® engines to the late style hydraulic cam chain tensioner systems while mixing and matching components, Whether using a Feuling camchest kit with conversion...09251068- SKU:
- 09251068
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- TYPE:
- HYDRAULIC
- MODEL:
- OE+
- UNITS:
- KIT
- PRODUCT NAME:
- TENSIONER CONVERSION KIT
- RIDING STYLE:
- STREET
- TYPE:
- CHAIN CONVERSION
$399.95 -
FEULING OIL PUMP CORP. Chain Kit - Twin Cam 8081
FEULING OIL PUMP CORP.
$399.95Kits allow engine builders to update early style mechanical cam chain tensioner Twin Cam® engines to the late style hydraulic cam chain tensioner systems while mixing and matching components, Whether using a Feuling camchest kit with conversion...09251069- SKU:
- 09251069
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- TYPE:
- HYDRAULIC
- TYPE:
- CHAIN
- UNITS:
- KIT
- MODEL:
- OE+
- PRODUCT NAME:
- TENSIONER CONVERSION KIT
- RIDING STYLE:
- STREET
$399.95 -
FEULING OIL PUMP CORP. Chain Kit - Twin Cam 8082
FEULING OIL PUMP CORP.
$399.95Kits allow engine builders to update early style mechanical cam chain tensioner Twin Cam® engines to the late style hydraulic cam chain tensioner systems while mixing and matching components, Whether using a Feuling camchest kit with conversion...09251070- SKU:
- 09251070
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- TYPE:
- HYDRAULIC
- PRODUCT NAME:
- TENSIONER CONVERSION KIT
- TYPE:
- CHAIN
- MODEL:
- OE+
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$399.95 -
FEULING OIL PUMP CORP. Chain Conversion Kit - Twin Cam 8083
FEULING OIL PUMP CORP.
$399.95Kits allow engine builders to update early style mechanical cam chain tensioner Twin Cam® engines to the late style hydraulic cam chain tensioner systems while mixing and matching components, Whether using a Feuling camchest kit with conversion...09251071- SKU:
- 09251071
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- MODEL:
- OE+
- TYPE:
- HYDRAULIC
- UNITS:
- KIT
- PRODUCT NAME:
- TENSIONER CONVERSION KIT
- RIDING STYLE:
- STREET
- TYPE:
- CHAIN CONVERSION
$399.95 -
FEULING OIL PUMP CORP. Inner Cam Bearing 2074
FEULING OIL PUMP CORP.
$18.95Bearings are heavy-duty full-complement style designed to accept the higher loads and demands of performance engines, Manufactured by Koyo® Torrington®, Made in the U.S.A.09251155- SKU:
- 09251155
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- TYPE:
- INNER
- UNITS:
- EACH
- PRODUCT NAME:
- CAM BEARING
$18.95 -
FEULING OIL PUMP CORP. Offset Oil Filter Mount - Black 2022
FEULING OIL PUMP CORP.
$179.95Sandwich-style mounts allow easy hook-up of any style remote oil cooler or additional oil filter set up, 1/8" NPT ports (fittings sold separately)07120318- SKU:
- 07120318
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- PRODUCT NAME:
- MOUNT
- BASE COLOR:
- BLACK
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- STYLE:
- OFFSET
- TYPE:
- OIL FILTER
- RIDING STYLE:
- STREET
$179.95 -
FEULING OIL PUMP CORP. Oil Pump - Twin Cam 88 7000
FEULING OIL PUMP CORP.
$399.95Made of 6061 billet aluminum, Features aerospace design, tolerances and materials, High-flow 2" chromoly gerotor gears pump 40% more pressure volume and 60% more scavenge volume, Eliminates blow-by, wet sumping and oily air cleaners, Increases oil...09320018- SKU:
- 09320018
- Availability:
- Ships Same Business Day
- Weight:
- 1.41 LBS
- COLOR/FINISH:
- ALUMINUM
- FLOW RATE:
- HIGH-FLOW
- RIDING STYLE:
- STREET
- BASE COLOR:
- SILVER
- MATERIAL:
- 6061 BILLET ALUMINUM
- MODEL:
- HP+®
- PRODUCT NAME:
- PUMP
- TYPE:
- OIL PUMP
- UNITS:
- EACH
$399.95 -
FEULING OIL PUMP CORP. Pressure Relief Valve 8004
FEULING OIL PUMP CORP.
$12.95Cam plate pressure relief valve plunger is precision-machined and heat-treated steel, Installation and bench testing with pressure test tool is recommended to ensure proper valve operation, Fits all Twin Cam cam plates including factory, Screamin' Eagle,...09320086- SKU:
- 09320086
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE
- TYPE:
- PRESSURE RELEASE
$12.95 -
FEULING OIL PUMP CORP. HiFlow Camplate - M8 8017
FEULING OIL PUMP CORP.
$399.95Increase engine oil flow and volume by enlarging the oil pump reservoirs and critical oil passages including the scavenging return holes from the pump to the camplate and into the engine case, Camplate matches the oil port holes on the camplate to the...09320192- SKU:
- 09320192
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- TYPE:
- OIL PUMP
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- RED
- PRODUCT NAME:
- CAM PLATE
- BASE COLOR:
- RED
$399.95 -
FEULING OIL PUMP CORP. Camplate - OE+ - M8 8037
FEULING OIL PUMP CORP.
$319.95FEULING® OE+ stock replacement billet cam plates are manufactured from 6061 aluminum, providing increased rigidity and machined to FEULING's high tolerance standards, Direct bolt-in replacement and accept the factory or Feuling OE+ oil pumps, Blue...09320193- SKU:
- 09320193
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- RIDING STYLE:
- STREET
- TYPE:
- OIL PUMP
- PRODUCT NAME:
- CAM PLATE
- UNITS:
- EACH
$319.95 -
FEULING OIL PUMP CORP. Oil Pump - HP+‚® - Oil Cooled - M8 7018
FEULING OIL PUMP CORP.
$449.95Precision-machined pressure relief valve and bore, Every pump is bench tested, the relief valve is seated and sealed to a minimum of 30 psi with full pop off at 55-60 psi, Increased oil volume from the larger gears and properly sized passages along with...09320195- SKU:
- 09320195
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- PRODUCT NAME:
- PUMP
- UNITS:
- EACH
$449.95
