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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DRAG SPECIALTIES Top Motor Mount - Chrome E28-0035
DRAG SPECIALTIES
$67.93High-quality, chrome motor mounts09330077- SKU:
- 09330077
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- MOUNTING POSITION:
- TOP
- TYPE:
- ENGINE
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- MOUNT
$67.93 -
DRAG SPECIALTIES Rear Motor Mount Kit - XL E28-0021K
DRAG SPECIALTIES
$211.10Kits include all parts needed to replace front and rear isolator mounts09330118- SKU:
- 09330118
- Availability:
- Ships Same Business Day
- Weight:
- 3.90 LBS
- PRODUCT NAME:
- MOUNT KIT
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- MOUNTING POSITION:
- REAR
- TYPE:
- ISOLATOR
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
$211.10 -
DRAG SPECIALTIES Exhaust Gasket 01-0151
DRAG SPECIALTIES
$82.35High-quality exhaust gaskets09342557- SKU:
- 09342557
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- GASKET
- TYPE:
- CROSSOVER
- TYPE:
- EXHAUST PORT
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
$82.35 -
DRAG SPECIALTIES Exhaust Gasket 01-0149
DRAG SPECIALTIES
$106.04High-quality exhaust gaskets09342558- SKU:
- 09342558
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- EXHAUST INTERCONNECT
- PRODUCT NAME:
- GASKET
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
$106.04 -
DRAG SPECIALTIES Exhaust Gasket 01-0148
DRAG SPECIALTIES
$91.62High-quality exhaust gaskets09342559- SKU:
- 09342559
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- GASKET
- UNITS:
- 10 PACK
- TYPE:
- EXHAUST INTERCONNECT
- RIDING STYLE:
- STREET
$91.62 -
DRAG SPECIALTIES Exhaust Gasket - FXD I01-0150
DRAG SPECIALTIES
$91.62High-quality exhaust gaskets09342560- SKU:
- 09342560
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET
- TYPE:
- EXHAUST INTERCONNECT
$91.62 -
DRAG SPECIALTIES Oil Line Retainer Assembly - Softail T03-0150
DRAG SPECIALTIES
$21.58Used on oil lines that run from the oil tank to the engine, Replacement is recommended when oil lines are removed, Include O-rings07110213- SKU:
- 07110213
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- FITS HOSE SIZE IMPERIAL:
- 3/8'
- PRODUCT NAME:
- FITTING
- TYPE:
- OIL FEED/RETURN
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- FITS HOSE SIZE METRIC:
- 9.5 MM
$21.58 -
DRAG SPECIALTIES Vent Line Retainer Assembly - Softail T03-0151
DRAG SPECIALTIES
$21.58Used on oil lines that run from the oil tank to the engine, Replacement is recommended when oil lines are removed, Include O-rings07110214- SKU:
- 07110214
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BASE COLOR:
- BLACK
- FITS HOSE SIZE IMPERIAL:
- 1/2'
- FITS HOSE SIZE METRIC:
- 12.7 MM
- PRODUCT NAME:
- FITTING
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- TYPE:
- VENT LINE
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
$21.58Qty in Cart: 0Quantity:Price:$21.58Subtotal: -
DRAG SPECIALTIES Magnetic Oil Drain Plug XD0013-009NU
DRAG SPECIALTIES
$10.25Features a heavy-duty, extra-strength magnet that collects more shavings than the OEM plug, Not for use in primary case, Includes O-ring, 1/2" - 20 size07100268- SKU:
- 07100268
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- BASE FINISH:
- RAW
- COLOR/FINISH:
- SILVER
- PRODUCT NAME:
- DRAIN PLUG
- BASE COLOR:
- SILVER
- TYPE:
- MAGNETIC
- BASE COLOR:
- GRAY
- COLOR/FINISH:
- RAW
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$10.25 -
DRAG SPECIALTIES Lifter Cover - Chrome - Twin Cam I04-0889C
DRAG SPECIALTIES
$110.16Made from die-cast aluminum, Includes gaskets and screws09401875- SKU:
- 09401875
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MATERIAL:
- ALUMINUM
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- TYPE:
- LIFTER
- MATERIAL:
- DIE-CAST
$110.16 -
DRAG SPECIALTIES Lifter Cover - Black - Twin Cam I04-0889GB
DRAG SPECIALTIES
$92.65Made from die-cast aluminum, Includes gaskets and screws09401876- SKU:
- 09401876
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- MATERIAL:
- DIE-CAST
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- TYPE:
- LIFTER
$92.65 -
DRAG SPECIALTIES Pushrod Tube Kit - Big Twin 75711
DRAG SPECIALTIES
$134.88Kits include upper and lower tubes, clips, cups, springs and washers (O-rings/corks sold separately), One kit will do a complete engineDS193760- SKU:
- DS193760
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- BASE COLOR:
- SILVER
- BASE FINISH:
- CHROME
- TYPE:
- PUSHROD
- UNITS:
- KIT
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- TUBE KIT
$134.88 -
DRAG SPECIALTIES Lifter Block - Chrome - Shovelhead 20489-BX-LB1
DRAG SPECIALTIES
$209.04Come complete with two sets of Allen cap screws (1/4"-24 for 66-E76 and 1/4"-20 for L76-84), completely machined and ready for installation, Made from durable cast iron and finished in either black or chrome, Will also fit Panhead motorsDS194025- SKU:
- DS194025
- Availability:
- Ships Same Business Day
- Weight:
- 3.69 LBS
- BASE COLOR:
- SILVER
- BASE FINISH:
- CHROME
- MATERIAL:
- CAST IRON
- UNITS:
- PAIR
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- LIFTER BLOCK
- RIDING STYLE:
- STREET
$209.04Qty in Cart: 0Quantity:Price:$209.04Subtotal: -
DRAG SPECIALTIES Lifter Blocks - Chrome - Evolution/Big Twin 26533-BOX
DRAG SPECIALTIES
$242.00Each pair is precision-machined and comes with a set of chrome-plated socket-head screws, Made from cast aluminum, polished and chrome-platedDS194054- SKU:
- DS194054
- Availability:
- Ships Same Business Day
- Weight:
- 1.81 LBS
- BASE FINISH:
- POLISHED
- MATERIAL:
- ALUMINUM
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- LIFTER BLOCK
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- COLOR/FINISH:
- POLISHED CHROME
$242.00Qty in Cart: 0Quantity:Price:$242.00Subtotal: -
DRAG SPECIALTIES Peaked Design Oil Dipstick - FL 63187C
DRAG SPECIALTIES
$60.72Exact replacement for OEM dipstick, Includes the swiveling dipstick, Chrome-plated with clean "peaked" design caps07100121- SKU:
- 07100121
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- PRODUCT NAME:
- OIL DIPSTICK
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- TYPE:
- SWIVEL
$60.72 -
DRAG SPECIALTIES Chrome Side Cover - FXR 301416-BBL-PB
DRAG SPECIALTIES
$147.24Impressively chromed steel side covers are designed to replace the stock black coversDS373675- SKU:
- DS373675
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STEEL
- UNITS:
- PAIR
- RIDING STYLE:
- STREET
- TYPE:
- SIDE
- PRODUCT NAME:
- COVER
$147.24 -
DRAG SPECIALTIES Rocker Box - Chrome - Sportster 302076-BX-LB2
DRAG SPECIALTIES
$354.27Quality construction with exact dimensions ensures a perfect, leakproof fit, Two required per motorDS376512- SKU:
- DS376512
- Availability:
- Ships Same Business Day
- Weight:
- 4.19 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- COVER
- TYPE:
- ROCKER BOX
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
$354.27 -
DRAG SPECIALTIES Rocker Box Cover - Big Twin 037001-BX-LB2
DRAG SPECIALTIES
$354.27Quality construction with exact dimensions ensures a perfect, leakproof fit, Two required per motorDS376513- SKU:
- DS376513
- Availability:
- Ships Same Business Day
- Weight:
- 4.50 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- COVER
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- TYPE:
- ROCKER BOX
$354.27 -
DRAG SPECIALTIES Rear Master Cylinder Gasket 17-0063A-HC3
DRAG SPECIALTIES
$46.30Replacement cover gasket for stock master cylinderDS174493- SKU:
- DS174493
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MOUNTING POSITION:
- REAR
- TYPE:
- MASTER CYLINDER COVER
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET
$46.30 -
DRAG SPECIALTIES Magnetic Ring Oil Filter - Chrome - 3-1/4" 140003HP-BX18
DRAG SPECIALTIES
$19.52High-quality chrome spin-on-style oil filters, Magnetic filters are designed with a magnetic ring in center to capture small particles of loose metal and come with pressure relief valves, Some filters come with a 17mm nut on the end of the filter for...DS275126- SKU:
- DS275126
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- FEATURES:
- WITHOUT NUT
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- OIL FILTER
- TYPE:
- SPIN-ON
$19.52
