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. OE+ Cam Plate - Conversion 8032
FEULING OIL PUMP CORP.
$309.95If you're running early Twin Cam® architecture but want the reliability and efficiency of modern hydraulic chain tensioning, this cam plate bridges that gap without compromising your existing camshaft investment. FEULING's OE+ design eliminates the...09250841- SKU:
- 09250841
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- ALUMINUM
- MODEL:
- OE+
- PRODUCT NAME:
- CAM PLATE
- TYPE:
- HYDRAULIC
- BASE COLOR:
- SILVER
- TYPE:
- CHAIN
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
$309.95 -
FEULING OIL PUMP CORP. OE+ Cam Plate - Twin Cam 8033
FEULING OIL PUMP CORP.
$309.95If you're running a modified Twin Cam engine with early-style camshafts but want the reliability and precision of modern hydraulic chain tensioning, this is your direct solution. The FEULING OE+ Cam Plate eliminates guesswork by providing a pre-set,...09250842- SKU:
- 09250842
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- MODEL:
- OE+
- TYPE:
- CHAIN
- TYPE:
- GEAR
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- COLOR/FINISH:
- ALUMINUM
- PRODUCT NAME:
- CAM PLATE
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
$309.95 -
FEULING OIL PUMP CORP. Gear Drive Reaper Cam - 543 Series - Twin Cam 1022
FEULING OIL PUMP CORP.
$399.95If you're running a stock to mid-displacement Twin Cam and want genuine power gains without sacrificing low-end torque or drivability, the Feuling 543 Series Gear Drive Reaper delivers. This cam profile is engineered for smooth, responsive power across a...09250727- SKU:
- 09250727
- Availability:
- Ships Same Business Day
- Weight:
- 3.15 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- EXHAUST OPEN IMPERIAL:
- 56°
- GRIND:
- 543 SERIES
- INTAKE CLOSE IMPERIAL:
- 43°
- INTAKE LIFT IMPERIAL:
- 0.543'
- PRODUCT NAME:
- CAMSHAFT
- EXHAUST CLOSE IMPERIAL:
- 12°
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.140'
- EXHAUST LIFT IMPERIAL:
- 0.553'
- INTAKE DURATION IMPERIAL:
- 238°
- INTAKE OPEN IMPERIAL:
- 15°
- MODEL:
- REAPER
- UNITS:
- PAIR
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 248°
- TYPE:
- GEAR
$399.95 -
FEULING OIL PUMP CORP. Inner Cam Bearings 2076
FEULING OIL PUMP CORP.
$32.95High-performance engines demand bearings that can handle sustained elevated loads without compromise. The Feuling Oil Pump Corp. Inner Cam Bearings (2076) are engineered with full-complement bearing technology to support aggressive cam profiles and...09240239- SKU:
- 09240239
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- PRODUCT NAME:
- BEARING
- UNITS:
- PAIR
- APPLICATION:
- CAMSHAFT
- TYPE:
- NEEDLE
- RIDING STYLE:
- STREET
$32.95 -
FEULING OIL PUMP CORP. Chain Drive Reaper Cam - 543 Series - Twin Cam 1020
FEULING OIL PUMP CORP.
$399.95If you're running a Twin Cam engine and want measurable gains in mid-range power without sacrificing the low-end torque that makes your bike rideable, the Feuling 543 Series Chain Drive Reaper Cam delivers exactly that. This cam profile strikes the rare...09250673- SKU:
- 09250673
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- EXHAUST CLOSE IMPERIAL:
- 12°
- EXHAUST DURATION IMPERIAL:
- 248°
- INTAKE DURATION IMPERIAL:
- 238°
- INTAKE OPEN IMPERIAL:
- 15°
- TYPE:
- CHAIN
- EXHAUST OPEN IMPERIAL:
- 56°
- GRIND:
- 543 SERIES
- INTAKE CLOSE IMPERIAL:
- 43°
- PRODUCT NAME:
- CAMSHAFT
- EXHAUST LIFT AT TDC IMPERIAL:
- 0.140'
- EXHAUST LIFT IMPERIAL:
- 0.553'
- MODEL:
- REAPER
- UNITS:
- PAIR
- INTAKE LIFT IMPERIAL:
- 0.543'
- RIDING STYLE:
- STREET
$399.95 -
FEULING OIL PUMP CORP. Adjustable Race Pushrods - Twin Cam 4070
FEULING OIL PUMP CORP.
$229.95If you're pushing your Twin Cam engine beyond stock parameters, factory pushrods become your weakest link. FEULING's Adjustable Race Pushrods eliminate valve-train flex and instability that kills horsepower and limits RPM ceiling, especially when running...09280010- SKU:
- 09280010
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- MATERIAL:
- CHROMOLY STEEL
- RIDING STYLE:
- STREET
- STYLE:
- ADJUSTABLE
- UNITS:
- SET OF 4
- WALL THICKNESS IMPERIAL:
- 0.120'
- MODEL:
- RACE SERIES®
- WALL THICKNESS:
- 0,120'
- DIAMETER IMPERIAL:
- 7/16'
- PRODUCT NAME:
- PUSHROD SET
$229.95 -
FRAM Oil Filter PH6022
FRAM
$19.09A quality oil filter is one of the most cost-effective ways to protect your engine from premature wear. The FRAM PH6022 uses a proprietary fiber-blend media to capture 95% of contaminants while maintaining the flow rate your engine demands. Whether...PH6022- SKU:
- PH6022
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- COLOR/FINISH:
- BLACK
- FILTER MEDIA MATERIAL:
- CELLULOSE AND GLASS BLEND
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- STREET
- TYPE:
- SPIN-ON
$19.09 -
On Sale
GOODRIDGE Straight Oil Line Fitting - Black 1136-0106BK
GOODRIDGE
MSRP: $10.95Now: $9.86Was: $10.95A properly routed and sealed oil line is critical to engine longevity and reliable performance under racing conditions. The GOODRIDGE Straight Oil Line Fitting delivers corrosion-resistant construction and precision engineering—ensuring your oil system...07110203- SKU:
- 07110203
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- BLACK
- BASE FINISH:
- ANODIZED
- PRODUCT NAME:
- FITTING
- RIDING STYLE:
- STREET
- FITTING ANGLE:
- STRAIGHT
- FITTING CONNECTOR TYPE:
- -6 HOSE FITTING
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- TYPE:
- OIL LINE
- UNITS:
- EACH
MSRP: $10.95Now: $9.86Was: $10.95 -
JAMES GASKET Transmission Oil Pan 26077-93
JAMES GASKET
$33.90A quality transmission oil pan is critical to maintaining proper fluid temperature and preventing leaks that can compromise your drivetrain's performance. The JAMES GASKET 26077-93 is precision-engineered to OEM specifications, ensuring a secure seal and...09343431- SKU:
- 09343431
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- PRODUCT NAME:
- GASKET
- TYPE:
- TRANSMISSION
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
- TYPE:
- OIL PAN
$33.90 -
K & N Oil Filter - Chrome - Big Twin KN-172C
K & N
$20.99Synthetic racing oils demand superior filtration to maintain engine cleanliness under extreme conditions, and this K&N filter is engineered specifically for that purpose. The uniform pleated synthetic media delivers high-flow rates without compromising...KN172C- SKU:
- KN172C
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BASE COLOR:
- SILVER
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- FILTER MEDIA MATERIAL:
- SYNTHETIC
- LENGTH METRIC:
- 79 MM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- OIL FILTER
- STYLE:
- STANDARD
- TYPE:
- SPIN-ON
- BASE FINISH:
- CHROME
- FEATURES:
- INCLUDES NUT
$20.99 -
K & N Oil Filter - Black - V-Rod KN-174B
K & N
$17.99Synthetic racing oils demand a filter engineered to match their performance demands—and the K&N KN-174B delivers exactly that. Built with uniform pleated synthetic media, this filter handles the high-flow rates of modern racing lubricants while...07120448- SKU:
- 07120448
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- BASE FINISH:
- COATED
- MODEL:
- WRENCH-OFF
- RIDING STYLE:
- STREET
- STYLE:
- PREMIUM
- BASE COLOR:
- BLACK
- LENGTH METRIC:
- 98 MM
- UNITS:
- EACH
- FEATURES:
- INCLUDES NUT
- FILTER MEDIA MATERIAL:
- SYNTHETIC
- PRODUCT NAME:
- OIL FILTER
- COLOR/FINISH:
- BLACK
- TYPE:
- SPIN-ON
$17.99 -
K & N Oil Filter - Chrome - Evolution KN-170C
K & N
$19.99Synthetic racing oils demand a filter built to match their performance potential—and K&N's Evolution KN-170C delivers exactly that. With high-flow synthetic media and robust construction, this filter maintains optimal oil cleanliness under extreme...KN170C- SKU:
- KN170C
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- COLOR/FINISH:
- CHROME
- BASE FINISH:
- CHROME
- FEATURES:
- INCLUDES NUT
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- LENGTH METRIC:
- 94 MM
- PRODUCT NAME:
- OIL FILTER
- FILTER MEDIA MATERIAL:
- SYNTHETIC
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD
- TYPE:
- SPIN-ON
$19.99 -
Pro Filter 2002-2010 Buell XB12R Firebolt XB12S Lightning XB12X Ulysses Oil Filter PF-177
PRO FILTER
$11.99Keep your Buell's engine running clean and protected with the PRO FILTER PF-177, engineered to exceed OEM filtration standards and handle both synthetic and conventional oils without compromise. Factory filters often fall short of protecting...07120627- SKU:
- 07120627
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- PRODUCT NAME:
- OIL FILTER
- BASE COLOR:
- BLACK
- STYLE:
- PREMIUM
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
$11.99 -
PRO-ONE PERF.MFG. Universal Oil Cooler Kit - Chrome 201050
PRO-ONE PERF.MFG.
$307.95Maintaining optimal oil temperatures is critical to engine longevity and consistent performance under load—whether you're on the track or pushing hard on the street. The PRO-ONE PERF.MFG. Universal Oil Cooler Kit delivers efficient heat dissipation with...DS310204- SKU:
- DS310204
- Availability:
- Ships Same Business Day
- Weight:
- 3.63 LBS
- COLOR/FINISH:
- CHROME
- FOR FRAME TUBE DIAMETER IMPERIAL:
- 1' - 1-1/4'
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- FOR FRAME TUBE DIAMETER METRIC:
- 25.4 MM - 31.8 MM
- OUTSIDE DIAMETER IMPERIAL:
- 2-1/4'
- FEATURES:
- WITHOUT GAUGE
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- LENGTH IMPERIAL:
- 12'
- LENGTH METRIC:
- 305 MM
- OUTSIDE DIAMETER METRIC:
- 57.2 MM
- PRODUCT NAME:
- OIL COOLER KIT
$307.95 -
PRO-ONE PERF.MFG. No Gauge Oil Cooler Kit - Black - 1"- 1-1/4" 201050B
PRO-ONE PERF.MFG.
$307.95Engine oil temperature is critical to performance and longevity—running too hot causes viscosity breakdown, increased wear, and power loss. The PRO-ONE No Gauge Oil Cooler Kit delivers efficient thermal management with a compact, bolt-on design that...07130073- SKU:
- 07130073
- Availability:
- Ships Same Business Day
- Weight:
- 3.90 LBS
- BASE COLOR:
- BLACK
- FEATURES:
- WITHOUT GAUGE
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- OIL COOLER KIT
- COLOR/FINISH:
- BLACK
- FOR FRAME TUBE DIAMETER METRIC:
- 25.4 MM - 31.8 MM
- LENGTH IMPERIAL:
- 12'
- LENGTH METRIC:
- 305 MM
- OUTSIDE DIAMETER METRIC:
- 57.2 MM
- FOR FRAME TUBE DIAMETER IMPERIAL:
- 1' - 1-1/4'
- OUTSIDE DIAMETER IMPERIAL:
- 2-1/4'
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$307.95 -
PRO-ONE PERF.MFG. Oil Tank Mount Stud Cover 302190
PRO-ONE PERF.MFG.
$26.35Protect your Softail oil tank's rubber mounts from the elements while maintaining a show-quality appearance. This PRO-ONE stud cover keeps dirt, moisture, and debris away from critical mounting points, extending the life of your rubber isolators. The...07100165- SKU:
- 07100165
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- COVER
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- STYLE:
- SOFTAIL (SWING ARM)
- TYPE:
- OIL TANK MOUNT
- UNITS:
- PAIR
$26.35 -
PRO-ONE PERF.MFG. Slimline Oil Filter Mount - Chrome 203150
PRO-ONE PERF.MFG.
$98.95A quality oil filter mount keeps your cooling system organized and your engine protected—especially critical when space is tight or you're running a custom setup. The PRO-ONE PERF.MFG. Slimline delivers that reliability in a compact footprint, using...07120035- SKU:
- 07120035
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MODEL:
- SLIMLINE
- TYPE:
- OIL FILTER
- BASE FINISH:
- CHROME
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- MOUNT
$98.95 -
ULTRACOOL Side Mount Oil Cooler Kit - Black - FLH SMT-2G
ULTRACOOL
$589.99Modern forced-induction and high-output engines generate heat that stock cooling systems simply can't handle—excess oil temperatures destroy viscosity, reduce lubrication efficiency, and accelerate engine wear. The ULTRACOOL Side Mount Oil Cooler Kit...07130204- SKU:
- 07130204
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
- BASE COLOR:
- BLACK
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- GLOSS BLACK
- MOUNTING POSITION:
- DOWN TUBE
- MOUNTING POSITION:
- SIDE MOUNT
- PRODUCT NAME:
- OIL COOLER
- UNITS:
- KIT
$589.99 -
ULTRACOOL Side Mount Oil Cooler Kit - Gloss Black - Sportster SMSP-1G
ULTRACOOL
$549.99Harley Sportster riders know that sustained high-performance riding generates heat that can compromise oil viscosity and engine reliability. The ULTRACOOL Side Mount Oil Cooler Kit automatically manages oil temperatures with precision engineering,...07130224- SKU:
- 07130224
- Availability:
- Ships Same Business Day
- Weight:
- 6.51 LBS
- COLOR/FINISH:
- GLOSS BLACK
- PRODUCT NAME:
- OIL COOLER
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- MOUNTING POSITION:
- DOWN TUBE
- MOUNTING POSITION:
- SIDE MOUNT
- RIDING STYLE:
- STREET
$549.99 -
ULTRACOOL Below Regulator Mount Oil Cooler - Stainless Steel RF-2CSS
ULTRACOOL
$549.99Engine oil temperature is critical to longevity and performance—especially in high-displacement S&S applications where heat management directly impacts reliability and power output. The ULTRACOOL Below Regulator Mount Oil Cooler keeps your T-series...07130246- SKU:
- 07130246
- Availability:
- Ships Same Business Day
- Weight:
- 7.86 LBS
- MOUNTING POSITION:
- BELOW REGULATOR
- PRODUCT NAME:
- OIL COOLER
- BASE COLOR:
- SILVER
- COLOR/FINISH:
- STAINLESS STEEL
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$549.99
