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 Oil Line - Black - 3/8" - 8' DOH-0388
DRAG SPECIALTIES
$72.05DRAG SPECIALTIES Oil Line Black 3/8" 8' DOH-0388Reinforced, synthetic rubber, smooth-bore line is fuel- and oil-resistant, Made in the U.S.A., Not to be used with fuel over 10% alcohol07110195- SKU:
- 07110195
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
- COLOR/FINISH:
- BLACK
- INSIDE DIAMETER METRIC:
- 9.5 MM
- LENGTH METRIC:
- 244 CM
- INSIDE DIAMETER IMPERIAL:
- 3/8'
- LENGTH IMPERIAL:
- 8'
- MATERIAL:
- SYNTHETIC RUBBER
- PRODUCT NAME:
- HOSE
- UNITS:
- EACH
- HOSE SIZE:
- -6
- RIDING STYLE:
- STREET
- TYPE:
- FUEL
- TYPE:
- OIL
- BASE COLOR:
- BLACK
$72.05 -
DRAG SPECIALTIES Oil Line - Black - 1/2" - 2' DOH-0122
DRAG SPECIALTIES
$21.58DRAG SPECIALTIES Oil Line Black 1/2" 2' DOH-0122Reinforced, synthetic rubber, smooth-bore line is fuel- and oil-resistant, Made in the U.S.A., Not to be used with fuel over 10% alcohol07110196- SKU:
- 07110196
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- BASE COLOR:
- BLACK
- INSIDE DIAMETER IMPERIAL:
- 1/2'
- INSIDE DIAMETER METRIC:
- 12.7 MM
- LENGTH IMPERIAL:
- 24'
- RIDING STYLE:
- STREET
- HOSE SIZE:
- -8
- LENGTH METRIC:
- 61 CM
- MATERIAL:
- SYNTHETIC RUBBER
- PRODUCT NAME:
- HOSE
- UNITS:
- EACH
- TYPE:
- OIL
- COLOR/FINISH:
- BLACK
- TYPE:
- FUEL
$21.58 -
DRAG SPECIALTIES Transmission Oil Drain Tool - FLT 0712-0314
DRAG SPECIALTIES
$35.52DRAG SPECIALTIES Transmission Oil Drain Tool FLT 0712-0314Directs the transmission fluid from the bottom of the case to the drain pan instead of on the frame, Helical design locks into place to ensure it stays put, Drain plug can be removed through an...07120314- SKU:
- 07120314
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BASE COLOR:
- SILVER
- RIDING STYLE:
- STREET
- TYPE:
- OIL DRAIN
- COLOR/FINISH:
- SILVER
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- TOOL
- UNITS:
- EACH
$35.52 -
DRAG SPECIALTIES Oil Filter Mount - Black 74900W
DRAG SPECIALTIES
$93.68DRAG SPECIALTIES Oil Filter Mount Black 74900WDesigned to replace the OEM cast mount, Includes 3/4"-16 oil filter adapter, Mount with OEM hardware, 11/16" threads accept OEM hard lines07120390- SKU:
- 07120390
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- PRODUCT NAME:
- MOUNT
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- TYPE:
- OIL FILTER
$93.68 -
DRAG SPECIALTIES Battery Box/Oil Tank Vibration Mount - 1/4" 19268A
DRAG SPECIALTIES
$22.61DRAG SPECIALTIES Battery Box/Oil Tank Vibration Mount 1/4" 19268AFor battery boxes, oil tanks or custom parts, Meet or exceed all OEM specifications, 5/16"-18 studs and 1/2" longDS350145PK- SKU:
- DS350145PK
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- BASE COLOR:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- PRODUCT NAME:
- VIBRATION MOUNT
- COLOR/FINISH:
- BLACK
$22.61Qty in Cart: 0Quantity:Price:$22.61Subtotal: -
DRAG SPECIALTIES Replacement Oil Tank - Chrome 70426
DRAG SPECIALTIES
$288.35DRAG SPECIALTIES Replacement Oil Tank Chrome 70426Replacement chrome oil tank comes with drain/fill plugs, cap assembly and gasket, Approximately 3-quart capacityDS310108- SKU:
- DS310108
- Availability:
- Ships Same Business Day
- Weight:
- 5.15 LBS
- PRODUCT NAME:
- OIL TANK
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- CAPACITY METRIC:
- 2.8 LITER
- UNITS:
- EACH
- CAPACITY IMPERIAL:
- 3 US QUART
- COLOR/FINISH:
- CHROME
$288.35Qty in Cart: 0Quantity:Price:$288.35Subtotal: -
DRAG SPECIALTIES Oil Tank - Chrome - Softail 74761A
DRAG SPECIALTIES
$268.78DRAG SPECIALTIES Oil Tank Chrome Softail 74761AExact replacement for OEM tank, Features a side-fill designDS310109- SKU:
- DS310109
- Availability:
- Ships Same Business Day
- Weight:
- 10.44 LBS
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
- PRODUCT NAME:
- OIL TANK
- TYPE:
- SIDE FILL
- FEATURES:
- INCLUDES OIL FILLER PLUG
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
$268.78Qty in Cart: 0Quantity:Price:$268.78Subtotal: -
DRAG SPECIALTIES Winged Oil Tank - Softail 74761
DRAG SPECIALTIES
$272.90DRAG SPECIALTIES Winged Oil Tank Softail 74761Features a chrome finish with a winged, side-fill design that closes the gap between the tank and frame, Includes filler cap and drain plug, Approximately 3.0 quart capacityDS310113- SKU:
- DS310113
- Availability:
- Ships Same Business Day
- Weight:
- 10.56 LBS
- CAPACITY METRIC:
- 2.8 LITER
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
- FEATURES:
- INCLUDES FILLER CAP AND DRAIN PLUG
- MATERIAL:
- CHROME
- TYPE:
- SIDE FILL
- BASE FINISH:
- CHROME
- CAPACITY IMPERIAL:
- 3 US QUART
- PRODUCT NAME:
- OIL TANK
- RIDING STYLE:
- STREET
- STYLE:
- WINGED
$272.90Qty in Cart: 0Quantity:Price:$272.90Subtotal: -
DRAG SPECIALTIES Rear and Front Oil Tank Bracket - Softail 74022
DRAG SPECIALTIES
$47.33DRAG SPECIALTIES Rear and Front Oil Tank Bracket Softail 74022Replace the dull front and rear oil tank bracket on your late-model Softail with these chrome brackets, Rear bracket requires 5/16"-24 x 5/8" bolts to mount on 93-99 models.DS310255- SKU:
- DS310255
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
- COLOR/FINISH:
- CHROME
- STYLE:
- SOFTAIL (SWING ARM)
- RIDING STYLE:
- STREET
- UNITS:
- SET
- TYPE:
- OIL TANK
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- MOUNTING BRACKET
$47.33 -
DRAG SPECIALTIES Oil Pressure Gauge Mount - Big Twin EVO 71685
DRAG SPECIALTIES
$36.00DRAG SPECIALTIES Oil Pressure Gauge Mount Big Twin EVO 71685Chrome mount attaches at the crankcase and rocker box mounting bolt, allowing an unobstructed view of your oil pressure, Stock oil pressure sending unit must be removed and oil pressure gauge...DS244101- SKU:
- DS244101
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- GAUGE
- PRODUCT NAME:
- MOUNT
$36.00Qty in Cart: 0Quantity:Price:$36.00Subtotal: -
DRAG SPECIALTIES Rocker Box Oil Line - XL 70386
DRAG SPECIALTIES
$29.82DRAG SPECIALTIES Rocker Box Oil Line XL 70386Chromed steel overhead oil line sets include crossover line and crankcase-to-rocker box line, Complete with fittings and seals, which are also available separatelyDS246005- SKU:
- DS246005
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- COLOR/FINISH:
- CHROME
- TYPE:
- ROCKER
- UNITS:
- SET
- BASE FINISH:
- CHROME
- FEATURES:
- INCLUDES SEAL
- RIDING STYLE:
- STREET
- FEATURES:
- INCLUDES FITTING
- PRODUCT NAME:
- OIL LINE KIT
- MATERIAL:
- STEEL
$29.82 -
DRAG SPECIALTIES Rocker Box Oil Line - FX 70197
DRAG SPECIALTIES
$32.91DRAG SPECIALTIES Rocker Box Oil Line FX 70197Chromed steel overhead oil line sets include crossover line and crankcase-to-rocker box line, Complete with fittings and seals, which are also available separatelyDS246010- SKU:
- DS246010
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- UNITS:
- SET
- BASE FINISH:
- CHROME
- FEATURES:
- INCLUDES FITTING
- FEATURES:
- INCLUDES SEAL
- MATERIAL:
- STEEL
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- OIL LINE KIT
- RIDING STYLE:
- STREET
- TYPE:
- ROCKER
$32.91Qty in Cart: 0Quantity:Price:$32.91Subtotal: -
DRAG SPECIALTIES Oil Line Tube Fitting 71048E
DRAG SPECIALTIES
$8.19DRAG SPECIALTIES Oil Line Tube Fitting 71048EReplacement oil line tube fitting for Drag Specialties Rocker Oil LinesDS246050- SKU:
- DS246050
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- FITTING
- TYPE:
- OIL LINE
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
$8.19 -
DRAG SPECIALTIES Oil Line Replacement Washers - 6-Pack 600
DRAG SPECIALTIES
$2.88DRAG SPECIALTIES Oil Line Replacement Washers 6-Pack 600Replacement washers are sold in 6-packs, Replacement Washers For Stainless Steel Braided Oil Line Kit07110063- SKU:
- 07110063
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- STYLE:
- BRAIDED
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- STREET
- TYPE:
- OIL LINE
- UNITS:
- 6 PACK
$2.88Qty in Cart: 0Quantity:Price:$2.88Subtotal: -
DRAG SPECIALTIES Oil Line Kit - Stainless Steel - Softail 606001
DRAG SPECIALTIES
$192.56DRAG SPECIALTIES Oil Line Kit Stainless Steel Softail 606001Direct replacements for OEM oil lines, Compression and NPT fittings are chrome-plated, Made in the U.S.A.07110035- SKU:
- 07110035
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- FEATURES:
- 6-LINE KIT
- STYLE:
- BRAIDED
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- LINE
- UNITS:
- KIT
- BASE COLOR:
- SILVER
- RIDING STYLE:
- STREET
- TYPE:
- OIL
$192.56Qty in Cart: 0Quantity:Price:$192.56Subtotal: -
DRAG SPECIALTIES Oil Line Kit - Stainless Steel - Softail 606002
DRAG SPECIALTIES
$140.03DRAG SPECIALTIES Oil Line Kit Stainless Steel Softail 606002Direct replacements for OEM oil lines, Compression and NPT fittings are chrome-plated, Made in the U.S.A.07110036- SKU:
- 07110036
- Availability:
- Ships Same Business Day
- Weight:
- 1.18 LBS
- BASE COLOR:
- SILVER
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- COLOR/FINISH:
- CHROME
- FEATURES:
- 4-LINE KIT
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- LINE
- STYLE:
- BRAIDED
- UNITS:
- KIT
$140.03Qty in Cart: 0Quantity:Price:$140.03Subtotal: -
DRAG SPECIALTIES Oil Line Kit - Stainless Steel - FXR 606003
DRAG SPECIALTIES
$169.90DRAG SPECIALTIES Oil Line Kit Stainless Steel FXR 606003Direct replacements for OEM oil lines, Compression and NPT fittings are chrome-plated, Made in the U.S.A.07110037- SKU:
- 07110037
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- MATERIAL:
- STAINLESS STEEL
- BASE COLOR:
- SILVER
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- STYLE:
- BRAIDED
- UNITS:
- KIT
- COLOR/FINISH:
- CHROME
- FEATURES:
- 4-LINE KIT
- PRODUCT NAME:
- LINE
$169.90Qty in Cart: 0Quantity:Price:$169.90Subtotal: -
DRAG SPECIALTIES Oil Line Kit - Stainless Steel - FXR 606004
DRAG SPECIALTIES
$169.90DRAG SPECIALTIES Oil Line Kit Stainless Steel FXR 606004Direct replacements for OEM oil lines, Compression and NPT fittings are chrome-plated, Made in the U.S.A.07110038- SKU:
- 07110038
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- COLOR/FINISH:
- CHROME
- BASE COLOR:
- SILVER
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- FEATURES:
- 5-LINE KIT
- PRODUCT NAME:
- LINE
- UNITS:
- KIT
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- BRAIDED
$169.90Qty in Cart: 0Quantity:Price:$169.90Subtotal: -
DRAG SPECIALTIES Oil Line Kit - Stainless Steel - Sportster 606007
DRAG SPECIALTIES
$142.09DRAG SPECIALTIES Oil Line Kit Stainless Steel Sportster 606007Direct replacements for OEM oil lines, Compression and NPT fittings are chrome-plated, Made in the U.S.A.07110039- SKU:
- 07110039
- Availability:
- Ships Same Business Day
- Weight:
- 1.44 LBS
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- LINE
- UNITS:
- KIT
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- BRAIDED
- BASE COLOR:
- SILVER
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- FEATURES:
- 5-LINE KIT
$142.09Qty in Cart: 0Quantity:Price:$142.09Subtotal: -
DRAG SPECIALTIES Oil Line Kit - Stainless Steel - Sportster 606008
DRAG SPECIALTIES
$163.72DRAG SPECIALTIES Oil Line Kit Stainless Steel Sportster 606008Direct replacements for OEM oil lines, Compression and NPT fittings are chrome-plated, Made in the U.S.A.07110040- SKU:
- 07110040
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- STYLE:
- BRAIDED
- UNITS:
- KIT
- COLOR/FINISH:
- CHROME
- FEATURES:
- 4-LINE KIT
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- LINE
- BASE COLOR:
- SILVER
- RIDING STYLE:
- STREET
- TYPE:
- OIL
$163.72Qty in Cart: 0Quantity:Price:$163.72Subtotal:
