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
-
JAMES GASKET Air Cleaner Gasket - M8 JGI-29000149
JAMES GASKET
$8.00A worn or damaged air cleaner gasket compromises your engine's intake seal, allowing unfiltered air to bypass your filtration system and potentially introducing contaminants into the combustion...09345969- SKU:
- 09345969
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- TYPE:
- AIR FILTER
- UNITS:
- 5 PACK
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
$8.00 -
Hastings HASTINGS Piston Rings - XL 7003
HASTINGS
$78.79Piston rings are critical to maintaining compression, controlling blow-by, and managing oil consumption—and worn or inferior rings will compromise engine performance and longevity across the board...DS750610- SKU:
- DS750610
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- SET
- PRODUCT NAME:
- PISTON RING
- STYLE:
- OEM REPLACEMENT
- BORE SIZE IMPERIAL:
- 3.1875'
- RING MATERIAL:
- MOLY COATED
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- RIDING STYLE:
- STREET
$78.79 -
Hastings HASTINGS Piston Rings - XL 7003020
HASTINGS
$78.79Piston rings are critical to engine performance—they seal combustion pressure, regulate oil consumption, and directly impact horsepower and longevity. Hastings piston rings are engineered to tighter...DS750612- SKU:
- DS750612
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- RING MATERIAL:
- MOLY COATED
- BORE - OVERSIZE:
- +0,020'
- PRODUCT NAME:
- PISTON RING
- STYLE:
- OEM REPLACEMENT
- BORE SIZE IMPERIAL:
- 3.207'
- RIDING STYLE:
- STREET
- UNITS:
- SET
$78.79 -
Hastings HASTINGS Piston Rings - XL 7003030
HASTINGS
$82.71Piston rings are critical to engine sealing, compression, and oil control—and worn or substandard rings will tank your engine's performance and longevity. Hastings piston rings are engineered to...DS750613- SKU:
- DS750613
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE IMPERIAL:
- 3.217'
- RING MATERIAL:
- MOLY COATED
- BORE - OVERSIZE:
- +0,030'
- BORE OVERSIZE - IMPERIAL:
- +0.030'
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- STYLE:
- OEM REPLACEMENT
$82.71 -
Hastings HASTINGS Piston Rings - Shovelhead 6482
HASTINGS
$59.90Piston rings are critical wear items that directly impact engine compression, blow-by control, and oil consumption—especially in high-performance Shovelhead applications where reliability demands...DS750620- SKU:
- DS750620
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE IMPERIAL:
- 3.437'
- UNITS:
- SET
- PRODUCT NAME:
- PISTON RING
- STYLE:
- OEM REPLACEMENT
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- RIDING STYLE:
- STREET
- RING MATERIAL:
- CAST
$59.90 -
Hastings HASTINGS Piston Rings - Shovelhead 6482010
HASTINGS
$59.90Piston rings are critical to engine longevity—they seal combustion pressure, regulate oil consumption, and maintain compression integrity. Hastings rings are engineered to exacting tolerances,...DS750621- SKU:
- DS750621
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,010'
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE IMPERIAL:
- 3.447'
- RIDING STYLE:
- STREET
$59.90 -
Hastings HASTINGS Piston Rings - Shovelhead 6482020
HASTINGS
$59.90Hastings piston rings are engineered to restore compression and oil control in your Shovelhead engine, directly impacting power delivery and longevity. A worn ring set compromises combustion...DS750622- SKU:
- DS750622
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- BORE - OVERSIZE:
- +0,020'
- BORE SIZE IMPERIAL:
- 3.457'
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
- RIDING STYLE:
- STREET
- UNITS:
- SET
$59.90 -
Hastings HASTINGS Piston Rings - Shovelhead 6482030
HASTINGS
$59.90Worn or damaged piston rings kill engine efficiency and power output—this Hastings ring set restores proper compression and oil control for consistent Shovelhead performance. Whether you're...DS750623- SKU:
- DS750623
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE IMPERIAL:
- 3.467'
- BORE - OVERSIZE:
- +0,030'
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
- BORE OVERSIZE - IMPERIAL:
- +0.030'
- RIDING STYLE:
- STREET
- UNITS:
- SET
$59.90 -
Hastings HASTINGS Piston Rings - Shovelhead 6482040
HASTINGS
$62.87Worn or damaged piston rings compromise compression, increase blowby, and waste fuel—directly killing your engine's performance and reliability. The Hastings 6482040 ring set restores proper sealing...DS750624- SKU:
- DS750624
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.040'
- BORE - OVERSIZE:
- +0,040'
- BORE SIZE IMPERIAL:
- 3.477'
- RIDING STYLE:
- STREET
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
$62.87 -
Hastings HASTINGS Piston Rings - Shovelhead 6482050
HASTINGS
$62.87Piston ring integrity is critical to maintaining compression, controlling blow-by, and extending engine life in any high-performance Shovelhead application. The Hastings 6482050 ring set delivers the...DS750625- SKU:
- DS750625
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.050'
- RIDING STYLE:
- STREET
- RING MATERIAL:
- CAST
- BORE - OVERSIZE:
- +0,050'
- BORE SIZE IMPERIAL:
- 3.487'
- STYLE:
- OEM REPLACEMENT
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
$62.87 -
Hastings HASTINGS Piston Rings - Shovelhead 6482060
HASTINGS
$62.87Piston rings are critical to engine sealing, compression, and oil control—and worn or substandard rings will compromise power delivery and increase blowby across your Shovelhead. Hastings rings are...DS750626- SKU:
- DS750626
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.060'
- BORE SIZE IMPERIAL:
- 3.497'
- RIDING STYLE:
- STREET
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,060'
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
$62.87 -
Hastings HASTINGS Piston Rings - Shovelhead 6482070
HASTINGS
$59.90Hastings piston rings are engineered for Shovelhead engines that demand reliability under sustained high-rpm operation. A quality ring set directly impacts compression efficiency, oil control, and...DS750627- SKU:
- DS750627
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE - OVERSIZE:
- +0,070'
- RIDING STYLE:
- STREET
- UNITS:
- SET
- BORE OVERSIZE - IMPERIAL:
- +0.070'
- BORE SIZE IMPERIAL:
- 3.507'
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
- PRODUCT NAME:
- PISTON RING
$59.90 -
Hastings HASTINGS Piston Rings - Shovelhead 6127
HASTINGS
$65.08Piston ring degradation directly impacts compression, blow-by, and oil consumption—three critical factors that separate a tight engine from a leaker. The Hastings 6127 ring set delivers the sealing...DS750630- SKU:
- DS750630
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- RING MATERIAL:
- CAST
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- BORE SIZE IMPERIAL:
- 3.498'
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- STYLE:
- OEM REPLACEMENT
$65.08 -
Hastings HASTINGS Piston Rings - Shovelhead 6127020
HASTINGS
$65.08Maintaining proper compression and ring seal is critical for consistent power delivery and engine longevity in your Shovelhead. Hastings piston rings are engineered to withstand the demanding cycles...DS750632- SKU:
- DS750632
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- BORE - OVERSIZE:
- +0,020'
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
- BORE SIZE IMPERIAL:
- 3.518'
- RIDING STYLE:
- STREET
- UNITS:
- SET
$65.08 -
Hastings HASTINGS Piston Rings - Shovelhead 6127030
HASTINGS
$65.08Proper piston ring sealing is critical to maintaining compression, controlling blow-by, and extending engine life in your Shovelhead. Hastings piston rings are engineered to deliver consistent...DS750633- SKU:
- DS750633
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE IMPERIAL:
- 3.528'
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,030'
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
- BORE OVERSIZE - IMPERIAL:
- +0.030'
- RIDING STYLE:
- STREET
$65.08 -
Hastings HASTINGS Piston Rings - Evolution 6164
HASTINGS
$37.85Piston rings are the critical seal between your combustion chamber and crankcase—get them wrong, and you're looking at blow-by, oil consumption, and lost power. The Hastings Evolution 6164 delivers...DS750640- SKU:
- DS750640
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE IMPERIAL:
- 3.498'
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- RIDING STYLE:
- STREET
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
$37.85 -
Hastings HASTINGS Piston Rings - Evolution 6164010
HASTINGS
$37.85Piston rings are the critical seal between your combustion chamber and crankcase—worn or improper rings kill compression, increase blowby, and tank engine efficiency. The Hastings Evolution 6164010...DS750641- SKU:
- DS750641
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- RIDING STYLE:
- STREET
- RING MATERIAL:
- CAST
- BORE SIZE IMPERIAL:
- 3.508'
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,010'
- STYLE:
- OEM REPLACEMENT
$37.85 -
Hastings HASTINGS Piston Rings - Evolution 6164020
HASTINGS
$37.85Piston rings are critical to engine sealing, compression retention, and oil control—failure here cascades into performance loss and catastrophic engine damage. Hastings Evolution rings deliver...DS750642- SKU:
- DS750642
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.518'
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
- BORE - OVERSIZE:
- +0,020'
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
$37.85 -
Hastings HASTINGS Piston Rings - Evolution 2M6164005
HASTINGS
$52.52Piston rings are critical to engine sealing and compression—worn or inadequate rings lead to blowby, oil consumption, and power loss. The Hastings Evolution 2M6164005 delivers the precision ring...DS750653- SKU:
- DS750653
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE - OVERSIZE:
- +0,005'
- BORE SIZE IMPERIAL:
- 3.503'
- PRODUCT NAME:
- PISTON RING
- STYLE:
- OEM REPLACEMENT
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- UNITS:
- SET
- RIDING STYLE:
- STREET
- RING MATERIAL:
- MOLY COATED
$52.52 -
Hastings HASTINGS Piston Rings - Evolution 6164005
HASTINGS
$37.85Piston rings are critical to engine sealing and performance—they control blow-by, regulate oil consumption, and maintain compression under extreme combustion pressures. The Hastings Evolution 6164005...DS750654- SKU:
- DS750654
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
- BORE OVERSIZE - IMPERIAL:
- +0.040'
- BORE - OVERSIZE:
- +0,040'
- BORE SIZE IMPERIAL:
- 3.503'
- RIDING STYLE:
- STREET
- UNITS:
- SET
$37.85