Harley Miscellaneous Engine Parts
Harley Bike Miscellaneous Engine Parts at JJ Motorsports
Complete your Harley's engine rebuild with premium miscellaneous parts from JJ Motorsports, featuring chrome fittings, sprocket spacers, and oil screens for reliable lubrication and precise assembly on Big Twin, Evo, Shovelhead, and Panhead models. These high-quality components ensure leak-free operation and long-term durability.
Shop Gardner Westcott and Eastern Motorcycle Parts engine parts for OEM-spec reliability. Explore related categories such as Harley engine for cams and gaskets, or Harley for exhaust and drivetrain to finish your build.
Top Harley Miscellaneous Engine Parts
- Gardner Westcott Male 90 3/8" 1/8 NPT Chrome 7-91TD-6X2 – Chrome 90-degree male elbow fitting; 3/8" to 1/8" NPT for custom oil line routing.
- Eastern Motorcycle Parts Sprocket Shaft Spacer A-24039-03 – Precision spacer for mainshaft sprocket; fits 4-speed Big Twin transmissions.
- Eastern Motorcycle Parts Crank Case Oil Screen A-24981-66 – Oil pump screen for 1966-1984 Big Twin; prevents debris in lubrication system.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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TP ENGINEERING Pro Series Rocker Arms 45-0245-23
TP ENGINEERING
$732.95Rocker arm wear directly impacts valve timing precision and overall engine efficiency—especially in high-RPM applications where even minimal slop compounds into power loss. TP Engineering's Pro Series rocker arms eliminate deflection through rigid 4140...TP24520- SKU:
- TP24520
- Availability:
- Ships Same Business Day
- Weight:
- 3.20 LBS
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
- UNITS:
- 4 PACK
- MATERIAL:
- STEEL
- MODEL:
- PRO SERIES
- PRODUCT NAME:
- ROCKER ARM
$732.95Qty in Cart: 0Quantity:Price:$732.95Subtotal: -
PAUGHCO Left Tool Box Mount - Softail 403C1
PAUGHCO
$64.95Proper footpeg clearance is critical when running a Softail with a left-side toolbox—inadequate spacing leads to uncomfortable riding position and potential interference issues. The PAUGHCO Left Tool Box Mount solves this with a spacer and extended bolt...DS273663- SKU:
- DS273663
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- MOUNTING POSITION:
- LEFT
- RIDING STYLE:
- STREET
- TYPE:
- TOOLBOX
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- MOUNTING KIT
- UNITS:
- KIT
- BASE FINISH:
- CHROME
$64.95Qty in Cart: 0Quantity:Price:$64.95Subtotal: -
JAMES GASKET Primary Cover Lock Plate - Big Twin 31497-65
JAMES GASKET
$6.95A properly secured primary cover is fundamental to maintaining clutch integrity and preventing oil seepage on Big Twin engines. The JAMES GASKET Primary Cover Lock Plate delivers reliable retention and a precision fit without modification, ensuring your...09500231- SKU:
- 09500231
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- PRODUCT NAME:
- COVER
- TYPE:
- LOCK PLATE
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$6.95 -
GARDNER-WESTCOTT Male Elbow - 1/4" x 1/8" - Chrome 7-91HB-4X2
GARDNER-WESTCOTT
$12.95Fluid system reliability depends on quality fittings, and this Gardner-Westcott elbow delivers the precision you need for consistent performance. Whether you're plumbing coolant lines, fuel systems, or pneumatic circuits, a properly sized elbow...DS245260- SKU:
- DS245260
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTION TYPE:
- 1/4' HOSE FITTING
- TYPE:
- HOSE
- CONNECTOR ANGLE:
- 90°
- PRODUCT NAME:
- FITTING
- CONNECTION TYPE:
- 1/8' NPT (MALE)
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$12.95Qty in Cart: 0Quantity:Price:$12.95Subtotal: -
GARDNER-WESTCOTT 90 Fitting - 1/8" NPT 7-116PSE-2
GARDNER-WESTCOTT
$8.95Proper fitting selection is critical for reliable fluid and pneumatic system integrity, especially in high-performance racing applications where leaks directly impact both performance and safety. The Gardner-Westcott 90 Fitting with 1/8" NPT threading...DS245205- SKU:
- DS245205
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
- CONNECTOR ANGLE:
- 90°
- PRODUCT NAME:
- FITTING
- RIDING STYLE:
- STREET
- TYPE:
- OIL PUMP
- CONNECTION TYPE:
- 1/8' NPT (MALE)
$8.95 -
ALLOY ART Compression Release Adapter - 14 mm x 3/8" CRA-2
ALLOY ART
$20.95Running twin plug heads but only need single ignition? The ALLOY ART Compression Release Adapter eliminates unnecessary complexity by cleanly blanking off that secondary spark plug hole—no drilling, no fabrication required. This CNC-precision adapter...09500081- SKU:
- 09500081
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- TYPE:
- COMPRESSION RELEASE
- UNITS:
- EACH
- CONNECTOR ANGLE:
- STRAIGHT
- SIZE:
- 14 MM - 3/8'
- PRODUCT NAME:
- ADAPTER
- RIDING STYLE:
- STREET
$20.95 -
FEULING OIL PUMP CORP. Cam Kit Washers 8041
FEULING OIL PUMP CORP.
$45.95Proper cam timing is non-negotiable for reliable engine performance and longevity. Misaligned camshaft sprockets introduce premature chain wear, increased valve train noise, and potential catastrophic failure. The Feuling Oil Pump Corp. Cam Kit Washers...09250951- SKU:
- 09250951
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PRODUCT NAME:
- SPROCKET SPACING ALIGNMENT/THRUST WASHER
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$45.95 -
ALLOY ART Compression Release Adapter - 14 mm x 3/4" CRA-1
ALLOY ART
$20.95Designed to be used in twin plug heads, Fit into the additional spark plug hole, eliminating the dual plug function, Made in the U.S.A.09500080- SKU:
- 09500080
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- TYPE:
- COMPRESSION RELEASE
- UNITS:
- EACH
- PRODUCT NAME:
- ADAPTER
- CONNECTOR ANGLE:
- STRAIGHT
- SIZE:
- 14 MM - 3/4'
- RIDING STYLE:
- STREET
$20.95 -
GARDNER-WESTCOTT Oil Gauge Elbow Fitting - 1/8" NPT 7-100PE-2
GARDNER-WESTCOTT
$14.95Oil Gauge fittings for 1/8" NPTDS245210- SKU:
- DS245210
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- FITTING
- TYPE:
- OIL GAUGE
- STYLE:
- ELBOW
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$14.95 -
GARDNER-WESTCOTT Oil Gauge Fitting - 1-1/2" Nipple - 1/8" NPT 7-113PLN-2X1.5
GARDNER-WESTCOTT
$7.95Oil Gauge fittings for 1/8" NPTDS245225- SKU:
- DS245225
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- FITTING
- RIDING STYLE:
- STREET
- STYLE:
- NIPPLE
- TYPE:
- OIL GAUGE
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
$7.95 -
GARDNER-WESTCOTT Male Elbow - 3/16" x 1/8" - Chrome 7-49IE-3X2
GARDNER-WESTCOTT
$13.95Reliable hydraulic and fuel line connections demand precision fittings that won't leak under pressure. This Gardner-Westcott male elbow delivers the secure, repeatable fit professional racers and serious mechanics depend on, with a time-tested...DS245256- SKU:
- DS245256
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- FITTING
- TYPE:
- MASTER CYLINDER
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- MATERIAL:
- BRASS
- CONNECTION TYPE:
- 1/8' NPT (MALE)
- CONNECTOR ANGLE:
- 90°
$13.95Qty in Cart: 0Quantity:Price:$13.95Subtotal: -
GARDNER-WESTCOTT Male - 90' - 3/8"-1/8" NPT - Chrome 7-91TD-6X2
GARDNER-WESTCOTT
$29.95Proper NPT fittings are essential for leak-free hydraulic and pneumatic connections in high-performance applications. This Gardner-Westcott 90-degree adapter ensures reliable fluid transfer under pressure while maintaining system integrity. Built to U.S...DS245258- SKU:
- DS245258
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- HOSE
- UNITS:
- EACH
- CONNECTOR ANGLE:
- 90°
- PRODUCT NAME:
- FITTING
- CONNECTION TYPE:
- 1/8' NPT (MALE)
- COLOR/FINISH:
- CHROME
- CONNECTION TYPE:
- 3/8' HOSE FITTING
- RIDING STYLE:
- STREET
$29.95 -
GARDNER-WESTCOTT Male Elbow - 5/16" x 1/8" - Chrome 7-91HB-5X2
GARDNER-WESTCOTT
$14.95Proper hose routing and fluid management are critical in any high-performance engine bay, and substandard fittings will compromise system integrity under pressure. The GARDNER-WESTCOTT Male Elbow delivers reliable directional control for fuel, coolant,...DS245259- SKU:
- DS245259
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTION TYPE:
- 5/16' HOSE FITTING
- TYPE:
- HOSE
- CONNECTOR ANGLE:
- 90°
- PRODUCT NAME:
- FITTING
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- CONNECTION TYPE:
- 1/8' NPT (MALE)
$14.95Qty in Cart: 0Quantity:Price:$14.95Subtotal: -
GARDNER-WESTCOTT 5/16" - 1/8" NPT Fitting - Chrome 7-90HB-5X2
GARDNER-WESTCOTT
$6.95Reliable fluid transfer is critical in high-performance applications, and compromised fittings can mean catastrophic failure on the track or in the shop. The Gardner-Westcott 5/16" - 1/8" NPT Fitting delivers the precision engineering and robust...DS245272- SKU:
- DS245272
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- CONNECTOR ANGLE:
- STRAIGHT
- CONNECTION TYPE:
- 1/8' NPT (MALE)
- CONNECTION TYPE:
- 5/16' HOSE FITTING
- TYPE:
- OIL PUMP
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- FITTING
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$6.95 -
GARDNER-WESTCOTT Male - Straight 3/8" - 1/8" NPT - Chrome 7-90TD-6X2
GARDNER-WESTCOTT
$16.95Reliable hydraulic and pneumatic connections demand fittings that won't fail under pressure. The Gardner-Westcott Male Straight adapter delivers consistent performance in high-demand applications, whether you're building a custom brake line, fuel system,...DS245274- SKU:
- DS245274
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- CHROME
- CONNECTION TYPE:
- 3/8' HOSE FITTING
- UNITS:
- EACH
- CONNECTION TYPE:
- 1/8' NPT (MALE)
- RIDING STYLE:
- STREET
- CONNECTOR ANGLE:
- STRAIGHT
- TYPE:
- OIL PUMP
- PRODUCT NAME:
- FITTING
$16.95Qty in Cart: 0Quantity:Price:$16.95Subtotal: -
GARDNER-WESTCOTT Hex Socket Plug - 1/8" NPT 7-107CSP-2
GARDNER-WESTCOTT
$5.95If you're building a custom fuel system, oil cooler setup, or any pressurized application, you need fittings you can trust. The GARDNER-WESTCOTT Hex Socket Plug seals 1/8" NPT ports with precision engineering and domestic quality—no leaks, no compromises...DS245276- SKU:
- DS245276
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- FITTING
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- CONNECTOR ANGLE:
- STRAIGHT
- CONNECTION TYPE:
- 1/8' NPT (MALE)
- TYPE:
- PLUG
$5.95Qty in Cart: 0Quantity:Price:$5.95Subtotal: -
ANDREWS Cam Gear Install Kit 288901
ANDREWS
$56.95Installing gear-driven cams requires precision fitment and proper hardware—cutting corners here compromises reliability and performance. The ANDREWS Cam Gear Install Kit 288901 eliminates guesswork by providing every gasket, bearing, and fastener needed...09250182- SKU:
- 09250182
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- RIDING STYLE:
- STREET
- TYPE:
- CAM
- UNITS:
- KIT
- PRODUCT NAME:
- INSTALL KIT
$56.95 -
EASTERN MOTORCYCLE PARTS Lock Tab Washer A-34180-33
EASTERN MOTORCYCLE PARTS
$13.50Transmission work demands precision at every fastener point, and worn or damaged lock tab washers can compromise bolt security and lead to costly reassembly failures. The Eastern Motorcycle Parts A-34180-33 lock tab washer is engineered to maintain...09500412- SKU:
- 09500412
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- WASHER
- TYPE:
- LOCK TAB
- UNITS:
- 10 PACK
- RIDING STYLE:
- OFF-ROAD
$13.50 -
EASTERN MOTORCYCLE PARTS Lock Tab Washer A-35216-36
EASTERN MOTORCYCLE PARTS
$10.80Lock tab washers are critical fastening components that prevent bolts from loosening due to vibration during transmission operation. If you're rebuilding a Shovelhead transmission, worn or missing lock tab washers can result in loose fasteners, component...09500413- SKU:
- 09500413
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- WASHER
- UNITS:
- 10 PACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- LOCK TAB
$10.80 -
EASTERN MOTORCYCLE PARTS Lock Tab Washer A-37533-52A
EASTERN MOTORCYCLE PARTS
$10.80Transmission work demands precision—and worn or damaged lock tab washers compromise the integrity of critical fasteners. This OEM Eastern Motorcycle Parts replacement washer ensures proper fastener retention and prevents unwanted loosening during...09500414- SKU:
- 09500414
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- PRODUCT NAME:
- WASHER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- LOCK TAB
- UNITS:
- 10 PACK
$10.80
