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
PERFORMANCE MACHINE (PM) Scallop Rocker Box Cover - Contrast CutƒÂ¢¢â‚¬Å¾‚¢ - M8 0177-2070-BM
PERFORMANCE MACHINE (PM)
MSRP: $1,026.95Now: $657.00Was: $1,026.95Your rocker box covers take a beating from heat cycles, oil mist, and road grime—stock covers wear quickly and look tired. The PM Scallop Rocker Box Cover replaces worn originals with...09401925- SKU:
- 09401925
- Availability:
- Ships Same Business Day
- Weight:
- 6.91 LBS
- PRODUCT NAME:
- COVER
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- CONTRAST CUT™
- UNITS:
- PAIR
- RIDING STYLE:
- STREET
- STYLE:
- SCALLOPED
- TYPE:
- ROCKER BOX
MSRP: $1,026.95Now: $657.00Was: $1,026.95 -
PERFORMANCE MACHINE (PM) Cam Cover - Vision - M8 - Chrome 0177-2082M-CH
PERFORMANCE MACHINE (PM)
$571.95Your stock cam cover is functional, but it's also generic and unfinished. The PM Cam Cover - Vision elevates your engine's appearance while delivering the precision fit and durability you expect from...09401976- SKU:
- 09401976
- Availability:
- Ships Same Business Day
- Weight:
- 2.56 LBS
- TYPE:
- CAM
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- MODEL:
- VISION
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
$571.95 -
PERFORMANCE MACHINE (PM) Cam Cover - Vision - M8 - Black Ops 0177-2082M-SMB
PERFORMANCE MACHINE (PM)
$571.95Your M8's cam cover is one of the most visible components in the engine bay—why settle for stock? The PM Vision Cam Cover elevates both aesthetics and protection with precision CNC-machined detailing...09401978- SKU:
- 09401978
- Availability:
- Ships Same Business Day
- Weight:
- 2.51 LBS
- MODEL:
- VISION
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- TYPE:
- CAM
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK OPS™
- COLOR/FINISH:
- BLACK
$571.95 -
DRAG SPECIALTIES Inspection Cover Gasket 210354
DRAG SPECIALTIES
$4.68A properly sealed inspection cover isn't just about appearance—it's about preventing dirt, moisture, and debris from contaminating your engine internals during high-performance operation. This billet...09341711- SKU:
- 09341711
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
- TYPE:
- INSPECTION COVER
$4.68 -
DRAG SPECIALTIES Motor Mount Link - Chrome - XL 056206
DRAG SPECIALTIES
$79.45A quality motor mount link is essential for controlling engine movement and maintaining proper drivetrain geometry under load. This Drag Specialties chrome-plated unit provides the rigidity and...09330013- SKU:
- 09330013
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- STREET
- TYPE:
- TIE-LINK
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STEEL
- PRODUCT NAME:
- STABILIZER
- UNITS:
- EACH
$79.45 -
DRAG SPECIALTIES Engine Oil Spout Kit - Chrome 323055
DRAG SPECIALTIES
$122.91If you've experienced oil spout issues that compromise engine sealing or limit your component choices, the DRAG SPECIALTIES Engine Oil Spout Kit eliminates both problems with a precision-engineered...07100253- SKU:
- 07100253
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- MATERIAL:
- 6061-T6 ALUMINUM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- UNITS:
- KIT
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- OIL SPOUT
$122.91 -
DRAG SPECIALTIES Engine Oil Spout Kit - Chrome 323056
DRAG SPECIALTIES
$122.91If you've experienced oil spout rattle, leaks, or fitment headaches with aftermarket starters and covers, this CNC-machined kit solves those problems with a one-piece design that eliminates dipstick...07100254- SKU:
- 07100254
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- MATERIAL:
- 6061-T6 ALUMINUM
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- OIL SPOUT
- UNITS:
- KIT
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
$122.91 -
DRAG SPECIALTIES Engine Oil Spout Kit - Chrome 323057
DRAG SPECIALTIES
$221.49If you're running higher RPMs or aggressive acceleration, a loose or blown-out dipstick isn't just an inconvenience—it's a reliability killer. The DRAG Specialties Engine Oil Spout Kit eliminates...07100255- SKU:
- 07100255
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
- MATERIAL:
- 6061-T6 ALUMINUM
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- OIL SPOUT
- UNITS:
- KIT
- COLOR/FINISH:
- CHROME
$221.49 -
DRAG SPECIALTIES Engine Oil Spout Kit - Black 323055B
DRAG SPECIALTIES
$102.77If you're running higher RPMs or aggressive acceleration, a loose or failing oil dipstick can create unwanted pressure loss and potential oil starvation issues. This Drag Specialties kit eliminates...07100256- SKU:
- 07100256
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- COLOR/FINISH:
- BLACK
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- OIL SPOUT
- RIDING STYLE:
- STREET
- MATERIAL:
- 6061-T6 ALUMINUM
- UNITS:
- KIT
$102.77 -
DRAG SPECIALTIES Engine Oil Spout Kit - Black 323056B
DRAG SPECIALTIES
$122.91Stock oil spouts are vulnerable to catastrophic failure under acceleration, leaving you stranded and potentially damaging your engine. This Drag Specialties kit eliminates that risk with a thread-in...07100257- SKU:
- 07100257
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
- COLOR/FINISH:
- BLACK
- BASE COLOR:
- BLACK
- MATERIAL:
- 6061-T6 ALUMINUM
- UNITS:
- KIT
- PRODUCT NAME:
- OIL SPOUT
- RIDING STYLE:
- STREET
$122.91 -
DRAG SPECIALTIES Engine Oil Spout Kit - Black 323057B
DRAG SPECIALTIES
$181.21Engine oil management on high-performance bikes demands precision components that won't fail under acceleration. The DRAG SPECIALTIES Engine Oil Spout Kit eliminates dipstick blowout through a...07100258- SKU:
- 07100258
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- OIL SPOUT
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 6061-T6 ALUMINUM
$181.21 -
DRAG SPECIALTIES Oil Tank - Chrome 11370
DRAG SPECIALTIES
$284.03A quality oil tank is critical to maintaining consistent pressure and temperature in high-performance applications where factory systems fall short. The DRAG SPECIALTIES Chrome 11370 delivers...07100003- SKU:
- 07100003
- Availability:
- Ships Same Business Day
- Weight:
- 3.84 LBS
- PRODUCT NAME:
- OIL TANK
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- CAPACITY METRIC:
- 2.8 LITER
- UNITS:
- EACH
- CAPACITY IMPERIAL:
- 3 US QUART
- MATERIAL:
- STEEL
$284.03 -
DRAG SPECIALTIES Domed Center Fill Oil Tank 241306
DRAG SPECIALTIES
$482.25A reliable oil tank is foundational to any performance build—weak containment leads to leaks, inconsistent lubrication, and catastrophic engine failure. The DRAG SPECIALTIES Domed Center Fill Oil...07100021- SKU:
- 07100021
- Availability:
- Ships Same Business Day
- Weight:
- 8.90 LBS
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STEEL
- CAPACITY IMPERIAL:
- 3.3 US QUART
- PRODUCT NAME:
- OIL TANK
- RIDING STYLE:
- STREET
- CAPACITY METRIC:
- 3.1 LITER
- TYPE:
- CENTER FILL
- BASE FINISH:
- CHROME
- UNITS:
- EACH
$482.25 -
DRAG SPECIALTIES Oil Filter - Chrome 140004-BX29
DRAG SPECIALTIES
$12.55Consistent oil filtration is critical to engine longevity and performance in any Harley-Davidson application. This Drag Specialties spin-on filter removes contaminants and maintains optimal oil flow,...DS275205- SKU:
- DS275205
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
- FEATURES:
- WITHOUT NUT
- FILTER MEDIA MATERIAL:
- PAPER
- PRODUCT NAME:
- OIL FILTER
- STYLE:
- STANDARD
- TYPE:
- SPIN-ON
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
$12.55 -
DRAG SPECIALTIES Magnetic Ring Oil Filter with Nut - Chrome - 2-1/4" 14-0004HPK-BX29
DRAG SPECIALTIES
$17.84Engine longevity depends on clean oil, and clean oil depends on effective filtration. This Drag Specialties magnetic oil filter captures ferrous metal particles that standard filters miss, protecting...07120006- SKU:
- 07120006
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- COLOR/FINISH:
- CHROME
- FEATURES:
- INCLUDES NUT
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- UNITS:
- EACH
- PRODUCT NAME:
- OIL FILTER
- TYPE:
- SPIN-ON
$17.84 -
DRAG SPECIALTIES Magnetic Ring Oil Filter with Nut - Chrome - 5-1/2" 14-0018HPK-BX41
DRAG SPECIALTIES
$17.84Engine wear begins the moment oil circulates through your motor—ferrous particles, debris, and contaminants accumulate faster than you'd think. The DRAG SPECIALTIES Magnetic Ring Oil Filter captures...07120007- SKU:
- 07120007
- Availability:
- Ships Same Business Day
- Weight:
- 0.91 LBS
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- OIL FILTER
- TYPE:
- SPIN-ON
- FEATURES:
- INCLUDES NUT
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
$17.84Qty in Cart: 0Quantity:Price:$17.84Subtotal: -
DRAG SPECIALTIES Oil Filter with Nut - Chrome 14-0018CK-BX41
DRAG SPECIALTIES
$15.70A quality oil filter is fundamental to engine longevity—it removes contaminants that would otherwise circulate through your bearings and valve train. This Drag Specialties spin-on filter delivers...07120012- SKU:
- 07120012
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- PRODUCT NAME:
- OIL FILTER
- TYPE:
- SPIN-ON
- BASE FINISH:
- CHROME
- STYLE:
- STANDARD
- COLOR/FINISH:
- CHROME
- FEATURES:
- INCLUDES NUT
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$15.70 -
DRAG SPECIALTIES Oil Filter with Nut - Chrome 14-0004K-BX29
DRAG SPECIALTIES
$15.70A quality oil filter is your engine's first line of defense against contaminants and wear. This Drag Specialties spin-on filter delivers reliable filtration across most Harley-Davidson models,...07120018- SKU:
- 07120018
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- COLOR/FINISH:
- CHROME
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- FEATURES:
- INCLUDES NUT
- STYLE:
- STANDARD
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- OIL FILTER
- TYPE:
- SPIN-ON
$15.70 -
DRAG SPECIALTIES Oil Filter with Nut - Black 14-0018BK-BX41
DRAG SPECIALTIES
$13.60Your engine's oil filtration is the first line of defense against wear, contamination, and premature failure. A quality spin-on filter like this DRAG Specialties unit ensures consistent oil flow and...07120023- SKU:
- 07120023
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- OIL FILTER
- STYLE:
- STANDARD
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- TYPE:
- SPIN-ON
- COLOR/FINISH:
- BLACK
- FEATURES:
- INCLUDES NUT
- UNITS:
- EACH
$13.60Qty in Cart: 0Quantity:Price:$13.60Subtotal: -
DRAG SPECIALTIES Oil Filter with Nut - Black 14-0004BK
DRAG SPECIALTIES
$13.60A quality oil filter is critical to protecting your engine from contaminants and maintaining consistent oil pressure during high-demand riding. The DRAG Specialties spin-on filter delivers reliable...07120132- SKU:
- 07120132
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- FEATURES:
- INCLUDES NUT
- PRODUCT NAME:
- OIL FILTER
- STYLE:
- STANDARD
- TYPE:
- SPIN-ON
$13.60Qty in Cart: 0Quantity:Price:$13.60Subtotal:
