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
-
Hastings HASTINGS Piston Rings - Shovelhead 6482040
HASTINGS
$56.95HASTINGS Piston Rings Shovelhead 6482040Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750624- 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
$56.95 -
Hastings HASTINGS Piston Rings - Shovelhead 6482050
HASTINGS
$56.95HASTINGS Piston Rings Shovelhead 6482050Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750625- 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
$56.95 -
Hastings HASTINGS Piston Rings - Shovelhead 6482060
HASTINGS
$56.95HASTINGS Piston Rings Shovelhead 6482060Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750626- 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
$56.95 -
Hastings HASTINGS Piston Rings - Shovelhead 6482070
HASTINGS
$56.95HASTINGS Piston Rings Shovelhead 6482070Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750627- 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
$56.95 -
Hastings HASTINGS Piston Rings - Shovelhead 6127
HASTINGS
$61.95HASTINGS Piston Rings Shovelhead 6127Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750630- 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
$61.95 -
Hastings HASTINGS Piston Rings - Shovelhead 6127010
HASTINGS
$61.95HASTINGS Piston Rings Shovelhead 6127010Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750631- SKU:
- DS750631
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
- BORE SIZE IMPERIAL:
- 3.508'
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- STREET
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,010'
$61.95Qty in Cart: 0Quantity:Price:$61.95Subtotal: -
Hastings HASTINGS Piston Rings - Shovelhead 6127020
HASTINGS
$61.95HASTINGS Piston Rings Shovelhead 6127020Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750632- 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
$61.95 -
Hastings HASTINGS Piston Rings - Shovelhead 6127030
HASTINGS
$61.95HASTINGS Piston Rings Shovelhead 6127030Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750633- 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
$61.95 -
Hastings HASTINGS Piston Rings - Evolution 6164
HASTINGS
$35.95HASTINGS Piston Rings Evolution 6164Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750640- 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
$35.95 -
Hastings HASTINGS Piston Rings - Evolution 6164010
HASTINGS
$35.95HASTINGS Piston Rings Evolution 6164010Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750641- 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
$35.95 -
Hastings HASTINGS Piston Rings - Evolution 6164020
HASTINGS
$35.95HASTINGS Piston Rings Evolution 6164020Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750642- 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
$35.95 -
Hastings HASTINGS Piston Rings - Evolution 6164030
HASTINGS
$35.95HASTINGS Piston Rings Evolution 6164030Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750643- SKU:
- DS750643
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE - OVERSIZE:
- +0,030'
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- CAST
- STYLE:
- OEM REPLACEMENT
- BORE OVERSIZE - IMPERIAL:
- +0.030'
- RIDING STYLE:
- STREET
- UNITS:
- SET
- BORE SIZE IMPERIAL:
- 3.498'
$35.95Qty in Cart: 0Quantity:Price:$35.95Subtotal: -
Hastings HASTINGS Piston Rings - Evolution 2M6164005
HASTINGS
$49.95HASTINGS Piston Rings Evolution 2M6164005Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750653- 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
$49.95 -
Hastings HASTINGS Piston Rings - Evolution 6164005
HASTINGS
$35.95HASTINGS Piston Rings Evolution 6164005Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750654- 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
$35.95 -
Hastings HASTINGS Piston Rings - Twin Cam 2M4942005
HASTINGS
$97.95HASTINGS Piston Rings Twin Cam 2M4942005Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750688- SKU:
- DS750688
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- RING MATERIAL:
- MOLY COATED
- BORE SIZE IMPERIAL:
- 3.750'
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,005'
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- STYLE:
- OEM REPLACEMENT
$97.95 -
Hastings HASTINGS Piston Rings - Twin Cam 2M4942+.010
HASTINGS
$37.95HASTINGS Piston Rings Twin Cam 2M4942+.010Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750689- SKU:
- DS750689
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- UNITS:
- SET
- BORE - OVERSIZE:
- +0,010'
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE IMPERIAL:
- 3.750'
- PRODUCT NAME:
- PISTON RING
$37.95 -
Hastings HASTINGS Piston Rings - Twin Cam 2M4941005
HASTINGS
$97.95HASTINGS Piston Rings Twin Cam 2M4941005Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750693- SKU:
- DS750693
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE IMPERIAL:
- 3.875'
- RIDING STYLE:
- STREET
- UNITS:
- SET
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- MOLY COATED
- BORE - OVERSIZE:
- +0,005'
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- STYLE:
- OEM REPLACEMENT
$97.95 -
Hastings HASTINGS Piston Rings - Twin Cam 2M4941010
HASTINGS
$97.95HASTINGS Piston Rings Twin Cam 2M4941010Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil ringsDS750694- SKU:
- DS750694
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RING MATERIAL:
- MOLY COATED
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- +0,010'
- STYLE:
- OEM REPLACEMENT
- BORE SIZE IMPERIAL:
- 3.875'
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
$97.95 -
Hastings HASTINGS Piston Rings - Twin Cam 2M4805
HASTINGS
$101.95HASTINGS Piston Rings Twin Cam 2M4805Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil rings09120467- SKU:
- 09120467
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.750'
- UNITS:
- SET
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- MOLY COATED
- STYLE:
- OEM REPLACEMENT
$101.95 -
Hastings HASTINGS Piston Rings - Twin Cam 2M4805005
HASTINGS
$101.95HASTINGS Piston Rings Twin Cam 2M4805005Features a cast or moly top ring, Reverse torsional taper face second ring and easy "spiral on" three-piece oil rings09120468- SKU:
- 09120468
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- BORE SIZE IMPERIAL:
- 3.750'
- UNITS:
- SET
- RIDING STYLE:
- STREET
- STYLE:
- OEM REPLACEMENT
- BORE - OVERSIZE:
- +0,005'
- PRODUCT NAME:
- PISTON RING
- RING MATERIAL:
- MOLY COATED
$101.95
