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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EASTERN MOTORCYCLE PARTS Screen Separator Plate A-25275-36
EASTERN MOTORCYCLE PARTS
$17.50The screen separator plate is a critical component in your motorcycle's cooling and lubrication system, directing oil flow with precision to maintain engine efficiency and protect vital components. A worn or damaged separator plate compromises cooling...09500352- SKU:
- 09500352
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- PRODUCT NAME:
- SCREEN
- TYPE:
- BREATHER SEPARATOR
$17.50 -
EASTERN MOTORCYCLE PARTS Rocker Arm Shaft M-4-4534
EASTERN MOTORCYCLE PARTS
$51.95A precision rocker arm shaft is fundamental to maintaining proper valve actuation and engine reliability. Eastern Motorcycle Parts' M-4-4534 delivers OEM-quality performance with domestic manufacturing standards, ensuring tight tolerances and consistent...09500355- SKU:
- 09500355
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- RIDING STYLE:
- STREET
- TYPE:
- ROCKER ARM
- UNITS:
- EACH
- PRODUCT NAME:
- SHAFT
$51.95 -
EASTERN MOTORCYCLE PARTS Sprocket Shaft Spacer A-24008-03
EASTERN MOTORCYCLE PARTS
$31.95A precision sprocket shaft spacer is essential for maintaining proper chain alignment and reducing wear on your drivetrain components. The Eastern Motorcycle Parts A-24008-03 ensures exact spacing tolerances that keep your sprocket positioned correctly...09500357- SKU:
- 09500357
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- TYPE:
- SPROCKET
- PRODUCT NAME:
- SHAFT SPACER
$31.95 -
EASTERN MOTORCYCLE PARTS Crank Case Oil Screen A-24983-00
EASTERN MOTORCYCLE PARTS
$20.00A clogged or failing crankcase oil screen compromises lubrication flow and can lead to catastrophic engine damage. This Eastern Motorcycle Parts OEM-quality screen ensures consistent oil delivery to critical engine components, maintaining proper pressure...09500224- SKU:
- 09500224
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- SCREEN
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- UNITS:
- 5 PACK
$20.00 -
EASTERN MOTORCYCLE PARTS Pinion Gear Nut A-7916A
EASTERN MOTORCYCLE PARTS
$22.90The pinion gear nut is a critical fastening component that maintains proper bearing preload and gear mesh alignment in your drivetrain. A loose or damaged pinion nut can result in catastrophic gear failure, excessive backlash, and loss of power transfer...09500225- SKU:
- 09500225
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- TYPE:
- PINION SHAFT GEAR
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- PRODUCT NAME:
- NUT
$22.90 -
EASTERN MOTORCYCLE PARTS Crank Case Oil Screen A-24981-66
EASTERN MOTORCYCLE PARTS
$20.20A clogged or deteriorated crankcase oil screen restricts flow and compromises engine lubrication efficiency, leading to increased wear and potential catastrophic failure. The EASTERN MOTORCYCLE PARTS Crank Case Oil Screen A-24981-66 ensures consistent...09500227- SKU:
- 09500227
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- UNITS:
- 5 PACK
- PRODUCT NAME:
- SCREEN
$20.20Qty in Cart: 0Quantity:Price:$20.20Subtotal: -
GARDNER-WESTCOTT Turn Signal Lens Bolt Kit P-61-13
GARDNER-WESTCOTT
$22.95Proper fastening is critical when securing turn signal lenses—loose bolts lead to vibration, water ingress, and lens failure on the track or street. The Gardner-Westcott P-61-13 kit delivers OEM-quality chrome socket-head bolts paired with O-ring seals,...DS190127- SKU:
- DS190127
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- BOLT KIT
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- TYPE:
- TURN SIGNAL LENS
$22.95 -
GARDNER-WESTCOTT Polished Swing Arm Bolts - 7/16"-20 P-80-40
GARDNER-WESTCOTT
$19.95Swing arm bolts endure constant stress from suspension articulation and cornering loads, making quality fasteners essential for safety and reliability. The GARDNER-WESTCOTT P-80-40 delivers the durability and precision fit your race-proven chassis...DS190123- SKU:
- DS190123
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- BASE FINISH:
- CHROME
- DIAMETER - THREAD SIZE IMPERIAL:
- 7/16-14
- PRODUCT NAME:
- BOLT KIT
- RIDING STYLE:
- STREET
- TYPE:
- SWINGARM
- UNITS:
- KIT
- COLOR/FINISH:
- CHROME
- DIAMETER - THREAD SIZE:
- 7/16-14
- LENGTH:
- 1-1/4'
- LENGTH IMPERIAL:
- 1-1/4'
$19.95 -
GARDNER-WESTCOTT Polished Swing Arm Bolts - 7/16"-14 P-80-79
GARDNER-WESTCOTT
$28.95Swing arm bolts endure constant stress from suspension articulation and cornering loads—undersized or corroded fasteners will compromise handling precision and create safety risks. GARDNER-WESTCOTT's polished bolts deliver corrosion resistance and...DS190121- SKU:
- DS190121
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- BOLT KIT
- UNITS:
- KIT
- DIAMETER - THREAD SIZE:
- 7/16-20
- COLOR/FINISH:
- CHROME
- LENGTH:
- 1-1/4'
- DIAMETER - THREAD SIZE IMPERIAL:
- 7/16-20
- LENGTH IMPERIAL:
- 1-1/4'
- RIDING STYLE:
- STREET
- TYPE:
- SWINGARM
$28.95Qty in Cart: 0Quantity:Price:$28.95Subtotal: -
GARDNER-WESTCOTT Fender Rail Bolt Kit DS-189800
GARDNER-WESTCOTT
$29.95If you're mounting fender rails to an aftermarket Softail-style frame, fastener quality directly impacts structural integrity and longevity. This Gardner-Westcott kit delivers U.S.A.-made precision hardware engineered specifically for this application,...DS189800- SKU:
- DS189800
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BOLT KIT
- TYPE:
- FENDER RAIL
- UNITS:
- KIT
- LENGTH:
- 1'
$29.95 -
GARDNER-WESTCOTT Stainless Steel - Primary SP-10-24-08N
GARDNER-WESTCOTT
$56.95Protecting your motor's internals from contamination and heat loss requires quality cover components that won't degrade under sustained use. GARDNER-WESTCOTT's stainless steel covers resist corrosion and maintain structural integrity through countless...DS189379- SKU:
- DS189379
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- BASE FINISH:
- NATURAL
- BASE FINISH:
- POLISHED
- COLOR/FINISH:
- SILVER
- PRODUCT NAME:
- BOLT KIT
- TYPE:
- CLUTCH COVER
- TYPE:
- PRIMARY
- UNITS:
- KIT
- COLOR/FINISH:
- NATURAL
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- STREET
- TYPE:
- CHAIN COVER
- BASE COLOR:
- SILVER
- COLOR/FINISH:
- POLISHED
- STYLE:
- SOCKET-HEAD
$56.95 -
GARDNER-WESTCOTT Stainless Steel - Primary SP-10-17-08
GARDNER-WESTCOTT
$54.95Protect your engine's critical components with corrosion-resistant stainless steel covers that maintain their finish through years of racing and riding. Gardner-Westcott's U.S.-manufactured primary sets deliver the durability and precision fit that...DS189378- SKU:
- DS189378
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BASE FINISH:
- POLISHED
- COLOR/FINISH:
- POLISHED
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- STYLE:
- SOCKET-HEAD
- COLOR/FINISH:
- NATURAL
- COLOR/FINISH:
- SILVER
- MATERIAL:
- STAINLESS STEEL
- BASE COLOR:
- SILVER
- BASE FINISH:
- NATURAL
- PRODUCT NAME:
- BOLT KIT
- TYPE:
- PRIMARY COVER ONLY
$54.95Qty in Cart: 0Quantity:Price:$54.95Subtotal: -
GARDNER-WESTCOTT Stainless Steel - Primary SP-10-18-08
GARDNER-WESTCOTT
$65.95Protect your motor's critical components with Gardner-Westcott stainless steel covers that resist corrosion and maintain a clean, professional appearance through countless track hours and seasonal storage. These US-manufactured covers are engineered to...DS189377- SKU:
- DS189377
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- BASE FINISH:
- NATURAL
- COLOR/FINISH:
- NATURAL
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- BOLT KIT
- TYPE:
- PRIMARY COVER ONLY
- BASE COLOR:
- SILVER
- STYLE:
- SOCKET-HEAD
- COLOR/FINISH:
- SILVER
- BASE FINISH:
- POLISHED
- COLOR/FINISH:
- POLISHED
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$65.95 -
GARDNER-WESTCOTT Stainless Steel Motor Set SP-88-98
GARDNER-WESTCOTT
$334.95Protect your engine's internals while maintaining factory aesthetics with Gardner-Westcott's stainless steel motor set. Stainless steel construction resists corrosion and oxidation far better than standard covers, ensuring your engine bay looks pristine...DS189372- SKU:
- DS189372
- Availability:
- Ships Same Business Day
- Weight:
- 3.40 LBS
- BASE COLOR:
- SILVER
- MEASUREMENT SYSTEM:
- SAE
- STYLE:
- SOCKET-HEAD
- BASE FINISH:
- NATURAL
- COLOR/FINISH:
- NATURAL
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- BOLT KIT
- COLOR/FINISH:
- POLISHED
- RIDING STYLE:
- STREET
- TYPE:
- MOTOR SET
- BASE FINISH:
- POLISHED
- COLOR/FINISH:
- SILVER
- UNITS:
- KIT
$334.95 -
GARDNER-WESTCOTT Stainless Steel Motor Set SP-88-79
GARDNER-WESTCOTT
$284.95If you're rebuilding a motor or completing a comprehensive engine overhaul, sourcing quality covers and mounts individually wastes time and invites fitment inconsistencies. The Gardner-Westcott Stainless Steel Motor Set SP-88-79 consolidates all...DS189370- SKU:
- DS189370
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- RIDING STYLE:
- STREET
- TYPE:
- MOTOR SET
- BASE COLOR:
- SILVER
- BASE FINISH:
- NATURAL
- MEASUREMENT SYSTEM:
- SAE
- PRODUCT NAME:
- BOLT KIT
- STYLE:
- SOCKET-HEAD
- BASE FINISH:
- POLISHED
- COLOR/FINISH:
- POLISHED
- COLOR/FINISH:
- SILVER
- UNITS:
- KIT
- COLOR/FINISH:
- NATURAL
- MATERIAL:
- STAINLESS STEEL
$284.95 -
GARDNER-WESTCOTT Motor P-80-87
GARDNER-WESTCOTT
$309.95A complete motor cover set is essential for protecting your engine's critical components from debris, heat damage, and premature wear. The GARDNER-WESTCOTT P-80-87 delivers OEM-quality fitment and durability with U.S. manufacturing standards, allowing...DS189019- SKU:
- DS189019
- Availability:
- Ships Same Business Day
- Weight:
- 2.71 LBS
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- BOLT KIT
- RIDING STYLE:
- STREET
- TYPE:
- MOTOR SET
- BASE FINISH:
- POLISHED
- COLOR/FINISH:
- SILVER
- MATERIAL:
- STEEL
- UNITS:
- KIT
- BASE COLOR:
- SILVER
- MEASUREMENT SYSTEM:
- SAE
- STYLE:
- SOCKET-HEAD
- COLOR/FINISH:
- CHROME
- COLOR/FINISH:
- POLISHED
$309.95 -
GARDNER-WESTCOTT Stainless Steel Motor SP-80-87
GARDNER-WESTCOTT
$271.95If you're rebuilding or customizing a Harley-Davidson engine, Gardner-Westcott's stainless steel motor covers deliver the durability and corrosion resistance your drivetrain demands. These U.S.-manufactured components protect critical engine areas from...DS189018- SKU:
- DS189018
- Availability:
- Ships Same Business Day
- Weight:
- 2.69 LBS
- BASE FINISH:
- NATURAL
- BASE FINISH:
- POLISHED
- PRODUCT NAME:
- BOLT KIT
- RIDING STYLE:
- STREET
- TYPE:
- MOTOR SET
- UNITS:
- KIT
- BASE COLOR:
- SILVER
- MEASUREMENT SYSTEM:
- SAE
- STYLE:
- SOCKET-HEAD
- COLOR/FINISH:
- SILVER
- COLOR/FINISH:
- NATURAL
- COLOR/FINISH:
- POLISHED
- MATERIAL:
- STAINLESS STEEL
$271.95Qty in Cart: 0Quantity:Price:$271.95Subtotal: -
GARDNER-WESTCOTT Motor P-80-88
GARDNER-WESTCOTT
$312.95The GARDNER-WESTCOTT Motor P-80-88 delivers a complete, factory-quality cover and mounting solution for builders and rebuilds who demand precision fit and durability. Whether you're assembling a stroker motor or refreshing an engine with OEM-grade...DS189015- SKU:
- DS189015
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- COLOR/FINISH:
- CHROME
- COLOR/FINISH:
- POLISHED
- BASE COLOR:
- SILVER
- MEASUREMENT SYSTEM:
- SAE
- STYLE:
- SOCKET-HEAD
- BASE FINISH:
- POLISHED
- COLOR/FINISH:
- SILVER
- MATERIAL:
- STEEL
- UNITS:
- KIT
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- BOLT KIT
- RIDING STYLE:
- STREET
- TYPE:
- MOTOR SET
$312.95 -
GARDNER-WESTCOTT Cam Cover Bolts - Twin Cam P-10-18-06
GARDNER-WESTCOTT
$35.95Harley cam cover bolts endure constant thermal cycling and vibration—factory fasteners often loosen or corrode, leading to oil leaks and engine damage. GARDNER-WESTCOTT cam cover bolts deliver the strength and reliability you need to keep your motor...DS175006- SKU:
- DS175006
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BASE COLOR:
- SILVER
- COLOR/FINISH:
- POLISHED
- TYPE:
- CAM COVER
- BASE FINISH:
- POLISHED
- UNITS:
- KIT
- COLOR/FINISH:
- CHROME
- MEASUREMENT SYSTEM:
- SAE
- RIDING STYLE:
- STREET
- STYLE:
- SOCKET-HEAD
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- SILVER
- MATERIAL:
- STEEL
- PRODUCT NAME:
- BOLT KIT
$35.95 -
ANDREWS Cam Gear Install Kit 216901
ANDREWS
$52.95If you're transitioning to gear-driven cam technology, having the right installation hardware from the start eliminates guesswork and potential rework. This ANDREWS kit consolidates every gasket, bearing, and fastener you'll need, ensuring proper fitment...09250167- SKU:
- 09250167
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- INSTALL KIT
- TYPE:
- CAM
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$52.95Qty in Cart: 0Quantity:Price:$52.95Subtotal:
