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 7206P
FEULING OIL PUMP CORP.
$1,748.95If you're running a Twin Cam engine and want measurable improvements in reliability, oil temperature control, and engine longevity, a complete camchest overhaul isn't optional—it's essential. The Feuling HP+® Camchest Kit delivers maximum oil flow,...09251377- SKU:
- 09251377
- Availability:
- Ships Same Business Day
- Weight:
- 11.76 LBS
- PRODUCT NAME:
- CAMCHEST KIT
- UNITS:
- KIT
- GRIND:
- 525 SERIES
- MODEL:
- HP+®
- RIDING STYLE:
- STREET
- TYPE:
- CHAIN
$1,748.95Qty in Cart: 0Quantity:Price:$1,748.95Subtotal: -
FEULING OIL PUMP CORP. Camchest Kit - HP+‚® - Twin Cam 7207P
FEULING OIL PUMP CORP.
$1,748.95If you're running a Twin Cam engine and tired of dealing with wet sumping, excessive oil temps, and marginal oil pressure, the Feuling HP+ Camchest Kit is the comprehensive solution that addresses every weak point in your top-end oiling system. This...09251378- SKU:
- 09251378
- Availability:
- Ships Same Business Day
- Weight:
- 11.26 LBS
- MODEL:
- HP+®
- TYPE:
- GEAR
- GRIND:
- 574 SERIES
- PRODUCT NAME:
- CAMCHEST KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$1,748.95 -
FEULING OIL PUMP CORP. Camchest Kit - HP+‚® - Twin Cam 7208P
FEULING OIL PUMP CORP.
$1,748.95If you're running a Twin Cam engine and want measurable gains in reliability, cooling, and oil pressure without compromise, this complete camchest overhaul delivers. The Feuling HP+® kit replaces every critical component from the cam plate down,...09251379- SKU:
- 09251379
- Availability:
- Ships Same Business Day
- Weight:
- 9.81 LBS
- GRIND:
- 574 SERIES
- MODEL:
- HP+®
- TYPE:
- GEAR
- PRODUCT NAME:
- CAMCHEST KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$1,748.95 -
FEULING OIL PUMP CORP. Camchest Kit - HP+‚® - Twin Cam 7209P
FEULING OIL PUMP CORP.
$1,748.95If you're running a Twin Cam engine, the camchest is where peak performance lives—and this Feuling HP+® kit gives you complete control over oil flow, cooling, and reliability. By increasing oil pressure and scavenge volume while dropping engine...09251380- SKU:
- 09251380
- Availability:
- Ships Same Business Day
- Weight:
- 11.56 LBS
- PRODUCT NAME:
- CAMCHEST KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- GRIND:
- 574 SERIES
- MODEL:
- HP+®
- TYPE:
- CHAIN
$1,748.95 -
FEULING OIL PUMP CORP. Valve Springs - Econo Beehive - Twin Cam 1122
FEULING OIL PUMP CORP.
$309.95If you're running a performance cam on your Twin Cam engine, valve spring selection directly impacts reliability, rev capability, and overall engine longevity. Feuling's Econo Beehive springs deliver dyno-proven performance with a compact design that...09263322- SKU:
- 09263322
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
- PRODUCT NAME:
- SPRING KIT
- TYPE:
- VALVE
- MATERIAL:
- STEEL
- MODEL:
- ECONO BEEHIVE
- STYLE:
- OVATE WIRE BEEHIVE
- UNITS:
- KIT
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- STREET
- STEM DIAMETER IMPERIAL:
- 0.3125'
$309.95Qty in Cart: 0Quantity:Price:$309.95Subtotal: -
FEULING OIL PUMP CORP. Valve Springs - Econo Beehive - Twin Cam 1123
FEULING OIL PUMP CORP.
$309.95High-revving performance demands valve springs engineered for reliability at sustained RPMs, and the Feuling Econo Beehive delivers proven track performance without the premium price tag. These conical ovate wire springs are stress-relieved for...09263323- SKU:
- 09263323
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
- MODEL:
- ECONO BEEHIVE
- PRODUCT NAME:
- SPRING KIT
- STEM DIAMETER IMPERIAL:
- 0.3125'
- TYPE:
- VALVE
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- STREET
- STYLE:
- OVATE WIRE BEEHIVE
- MATERIAL:
- STEEL
- UNITS:
- KIT
$309.95 -
FEULING OIL PUMP CORP. Adjustable Pushrods - Twin Cam 4065
FEULING OIL PUMP CORP.
$189.95If you're running larger lift cams or high spring pressures, factory pushrods won't cut it—they flex under load, robbing you of power and stability at higher RPMs. Feuling's adjustable pushrods eliminate that compliance with rigid 4130 chromoly...09280009- SKU:
- 09280009
- Availability:
- Ships Same Business Day
- Weight:
- 1.32 LBS
- PRODUCT NAME:
- PUSHROD SET
- MODEL:
- HP+®
- STYLE:
- ADJUSTABLE
- UNITS:
- SET OF 4
- WALL THICKNESS IMPERIAL:
- 0.095'
- MATERIAL:
- CHROMOLY STEEL
- RIDING STYLE:
- STREET
- WALL THICKNESS:
- 0,095'
- DIAMETER IMPERIAL:
- 7/16'
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
FEULING OIL PUMP CORP. HP+‚® Pushrods - M8 4087
FEULING OIL PUMP CORP.
$190.75The M8 engine's dual-valve-per-rocker design creates unique harmonic challenges that adjustable pushrods simply can't handle—one-piece construction maintains precise valve lift while eliminating the slack that causes lifter wear and performance loss...09280091- SKU:
- 09280091
- Availability:
- Ships Same Business Day
- Weight:
- 1.51 LBS
- PRODUCT NAME:
- PUSHROD
- FEATURES:
- STOCK REPLACEMENT
- RIDING STYLE:
- STREET
- STYLE:
- FIXED LENGTH
- UNITS:
- SET OF 4
$190.75 -
FEULING OIL PUMP CORP. HP+‚® Pushrods - +.030" - Twin Cam 4073
FEULING OIL PUMP CORP.
$190.75Twin Cam 4-valve engines demand valvetrain stability to maintain peak performance and reliability. Adjustable pushrods introduce harmonics and lifter wear—one-piece designs eliminate these variables entirely. Feuling's HP+ Pushrods are engineered to...09280102- SKU:
- 09280102
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- FEATURES:
- 0.030' LONGER
- UNITS:
- SET OF 4
- PRODUCT NAME:
- PUSHROD
- RIDING STYLE:
- STREET
- STYLE:
- FIXED LENGTH
$190.75 -
FEULING OIL PUMP CORP. Race Pushrods - Evolution 4080
FEULING OIL PUMP CORP.
$243.75If you're running a high-lift cam or pushing extreme spring pressures, stock pushrods will flex and rob you of power—Feuling's Race Series delivers the column rigidity and valve-train stability needed to translate that aggression into consistent...09280103- SKU:
- 09280103
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- UNITS:
- SET OF 4
- WALL THICKNESS:
- 0,145'
- MATERIAL:
- CHROMOLY STEEL
- RIDING STYLE:
- STREET
- DIAMETER IMPERIAL:
- 3/8'
- MODEL:
- RACE SERIES®
- PRODUCT NAME:
- PUSHROD SET
- STYLE:
- ADJUSTABLE
- WALL THICKNESS IMPERIAL:
- 0.145'
$243.75Qty in Cart: 0Quantity:Price:$243.75Subtotal: -
FEULING OIL PUMP CORP. Pushrod Tube Kit - Twin Cam 4095
FEULING OIL PUMP CORP.
$105.95If you're running quick-install style pushrods on your Twin Cam engine, proper tube clearance is critical for reliable valve train adjustment and consistent performance. The Feuling Oil Pump Corp. Pushrod Tube Kit eliminates binding and gives you the...09280104- SKU:
- 09280104
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- PUSHROD KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$105.95Qty in Cart: 0Quantity:Price:$105.95Subtotal: -
FEULING OIL PUMP CORP. Quick Install Pushrods - Twin Cam 4096
FEULING OIL PUMP CORP.
$243.75Strength and rigidity of Quick Install pushrods are second only to heavy-duty one-piece pushrods, Tube material starts out as 7/16” rod OD, then gets turned down to 3/8” OD leaving heavy duty 7/16” - 20 threads for the base and jam nut, 0.134” wall...09280105- SKU:
- 09280105
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- PRODUCT NAME:
- PUSHROD
- RIDING STYLE:
- STREET
- STYLE:
- ADJUSTABLE
- WALL THICKNESS:
- 0,134'
- WALL THICKNESS IMPERIAL:
- 0.134'
- UNITS:
- SET OF 4
$243.75Qty in Cart: 0Quantity:Price:$243.75Subtotal: -
FEULING OIL PUMP CORP. Lifters - Race Series - Twin Cam 4050ST
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,...09280107- SKU:
- 09280107
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MODEL:
- RACE SERIES®
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- LIFTER
- TYPE:
- HYDRAULIC
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- 0.8420' - 0.8423'
- STYLE:
- SHORT-TRAVEL
- UNITS:
- SET OF 4
$299.95Qty in Cart: 0Quantity:Price:$299.95Subtotal: -
FEULING OIL PUMP CORP. Lifters - Race Series - Twin Cam 4051ST
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,...09280108- SKU:
- 09280108
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MATERIAL:
- STEEL
- MODEL:
- RACE SERIES®
- TYPE:
- HYDRAULIC
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- RIDING STYLE:
- STREET
- STYLE:
- SHORT-TRAVEL
- UNITS:
- SET OF 4
- PRODUCT NAME:
- LIFTER
- SIZE IMPERIAL:
- +0.843' - 0.8435'
$299.95Qty in Cart: 0Quantity:Price:$299.95Subtotal: -
FEULING OIL PUMP CORP. Lifters - Race Series - Twin Cam 4052ST
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,...09280109- SKU:
- 09280109
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- LIFTER
- STYLE:
- SHORT-TRAVEL
- UNITS:
- SET OF 4
- MATERIAL:
- STEEL
- SIZE IMPERIAL:
- + 0.8435' - 0.844'
- TYPE:
- HYDRAULIC
- APPLICATION:
- EXHAUST
- MODEL:
- RACE SERIES®
$299.95Qty in Cart: 0Quantity:Price:$299.95Subtotal: -
FEULING OIL PUMP CORP. Lifters - Race Series - Evolution 4062
FEULING OIL PUMP CORP.
$319.95Full-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,...09290022- SKU:
- 09290022
- Availability:
- Ships Same Business Day
- Weight:
- 1.56 LBS
- RIDING STYLE:
- STREET
- SIZE:
- STANDARD
- TYPE:
- HYDRAULIC
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- MODEL:
- RACE SERIES®
- SIZE IMPERIAL:
- STANDARD
- UNITS:
- SET OF 4
- MATERIAL:
- STEEL
- PRODUCT NAME:
- LIFTER
- STYLE:
- FULL-TRAVEL
$319.95 -
FEULING OIL PUMP CORP. Race Series‚® Solid Lifters - Twin Cam 4055
FEULING OIL PUMP CORP.
$299.95Designed for engines with radical valve spring pressures and large lift camshafts; maintain proper and critical oil flow to top end with metered oiling, Optimize valvetrain stability, increase engine rpm, horsepower and torque output, Decrease valve...09290024- SKU:
- 09290024
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- DIAMETER IMPERIAL:
- 0.8425'
- MATERIAL:
- STEEL
- MODEL:
- RACE SERIES®
- PRODUCT NAME:
- LIFTER
- UNITS:
- SET OF 4
- STYLE:
- SOLID
$299.95 -
FEULING OIL PUMP CORP. Valve Seals - M8 1080
FEULING OIL PUMP CORP.
$19.95High-quality Viton® valve seals, Designed to handle high engine temperatures with a built-in spring-loaded wiper to clean excess oil from valve stem with minimal friction, Include four seals and seal installer tool, Made in the U.S.A.09262925- SKU:
- 09262925
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- STREET
- UNITS:
- 8 PACK
- APPLICATION:
- EXHAUST
- MATERIAL:
- VITON
- PRODUCT NAME:
- SEAL
- TYPE:
- VALVE
$19.95 -
FEULING OIL PUMP CORP. Valve Seals 1079
FEULING OIL PUMP CORP.
$18.95Valve seal degradation is a silent killer of engine performance—worn seals allow oil to seep past valve stems, starving your top end of proper lubrication and increasing blowby that robs power. The Feuling Oil Pump Corp. Valve Seals 1079 are engineered...09262803- SKU:
- 09262803
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- MATERIAL:
- VITON
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- STREET
- UNITS:
- 8 PACK
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- TYPE:
- VALVE
$18.95 -
FEULING OIL PUMP CORP. Crankshaft Bearing Race Kit - Twin Cam 5200
FEULING OIL PUMP CORP.
$89.95Kit includes right and left side crankshaft races with the left side thrust washers, These Feuling press on races have a precision ground outer diameter finish and are designed to be true to size producing the correct OD after proper press on installation09210786- SKU:
- 09210786
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- FEATURES:
- TWIN CAM A ENGINES
- PRODUCT NAME:
- CRANKSHAFT BEARING RACE KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$89.95
