Which models are considered Big Twins?

Big Twins refer to larger displacement Harley-Davidsons, including Flathead, Knucklehead, Panhead, Shovelhead, Evo, and Twin Cam.

Do I need any special tools for installing custom Big Twin parts?

Basic hand tools usually suffice, but some installations (like welding) may require specialized equipment or professional assistance.

Can I return items if they don’t fit my Big Twin?

Absolutely. As long as the part is in original, unused condition, you can return it according to our standard return policy.

Harley-Davidson Big Twin Parts

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Dynatek Performance Electronics 2000-HDE PC-Programmable Digital Ignition Module - Single or Dual Fire 1990-93 Harley-Davidson XL 1991-95 FX Models
$288.88

Standard Motorcycle Products Ignition Sensor Assembly - 1995-97 Harley-Davidson XL 1998-03 XL1200S
2 reviews $65.95

Standard Motorcycle Products Ignition Sensor Assembly - 1980-1994 Harley-Davidson XL 1984-1985 FXST 1980-1993 FLT
1 review $65.95

Drag Specialties Dual Gauge Bracket - Black - 1995-2001 Harley-Davidson XL1200 99-05 FXDX 95-00 FXDX-CONV
2 reviews $213.16

Drag Specialties Dual Gauge Bracket - Chrome - 1995-2001 Harley-Davidson XL1200 99-05 FXDX 95-00 FXDX-CONV
$213.16

Drag Specialties Single Gauge Bracket - Chrome - 1995-2011 Harley-Davidson XL883 1995-2005 FXD Models
$101.92

Drag Specialties Shifter Linkage - Chrome - 1982-94 99-00 Harley-Davidson FXR
$28.79

Drag Specialties Shifter Linkage - Chrome - 1991-2005 Harley-Davidson FXD
$34.97

Drag Specialties Shifter Linkage - Chrome - 1993-2005 Harley-Davidson FXDWG
$66.90

Drag Specialties Skeleton Kickstarter Pedal - Brass
1 review $157.54

Belt Drives LTD. 11mm/1.5 inch Primary Belt Drive - With Rear Belt - 1979-E1984 Harley-Davidson Big Twins
$659.25 $693.95

Belt Drives LTD. 11mm/1.5 inch Primary Belt Drive with Idler Gear - Electric Start - 1980-1983 Harley-Davidson Big Twin 5-Speed
$659.25 $693.95

Belt Drives LTD. 11mm/1.5 inch Primary Belt Drive - Kick Start - Spline Shaft - 1965-E1984 Harley-Davidson Big Twin
$601.30 $632.95

Belt Drives LTD. 11mm/1.5 inch Primary Belt Drive - Kick Start - Spline Shaft - 1955-1964 Harley-Davidson Big Twin
$556.65 $585.95

Belt Drives LTD. 2 inch Shorty Belt Drive 1970-1978 Harley-Davidson Big Twins
$1,671.95 $1,759.95

Belt Drives LTD. 8mm/1.5 inch Primary Belt Drive - Electric Start - 1979-E1984 Harley-Davidson Big Twins
$694.40 $730.95

Belt Drives LTD. 8mm/1.5 inch Primary Belt Drive - Kick Start - 1936-1954 Harley-Davidson Big Twins
$596.55 $627.95

Gasbox 26 inch Cigar Muffler 1950-1957 Harley-Davidson Panhead - Raw - OEM # 65235-50
$125.00

K&N Air Filters Oil Filter - Chrome - 1991-1998 Harley-Davidson Dyna - K&N Part # KN-173C
$20.99

K&N Air Filters Oil Filter - Chrome - 1982-1985 Harley-Davidson Big Twin - K&N Part # KN-172C
$20.99

HardDrive American V-Twin Products 18 x 3.5 40 Spoke Black Rear Wheel fits 1984-1999 Harley-Davidson Big Twin/XL
$391.95

HardDrive American V-Twin Products 16 x 3.5 40 Spoke Chrome Rear Wheel fits 1984-99 Harley-Davidson Big Twin/XL
$374.95

HardDrive American V-Twin Products 18 x 3.5 40 Spoke Chrome Rear Wheel fits 1984-99 Harley-Davidson Big Twin/XL
1 review $391.95

HardDrive American V-Twin Products 16 x 3.50 40 Spoke Black Single Disc Front Wheel fits 1986-99 Harley-Davidson FLST
$371.95

HardDrive American V-Twin Products 19 x 2.15 40 Spoke Black Dual Disc Front Wheel fits 1984-99 Harley-Davidson FXD/FXR/XL
$391.95

HardDrive American V-Twin Products 21 x 2.15 40 Spoke Black Dual Disc Front Wheel fits 1984-99 Harley-Davidson FXD/FXR/XL
$391.95

HardDrive American V-Twin Products 16 x 3.50 40 Spoke Chrome Dual Disc Front Wheel fits 1984-99 Harley-Davidson FLH/FLT
$374.95

HardDrive American V-Twin Products 16 x 3.50 40 Spoke Chrome Single Disc Front Wheel fits 1986-99 Harley-Davidson FLST
$374.95

HardDrive American V-Twin Products 19 x 2.15 40 Spoke Chrome Dual Disc Front Wheel fits 1984-99 Harley-Davidson FXD/FXR/XL
$391.95

HardDrive American V-Twin Products 19 x 2.15 40 Spoke Chrome Dual Disc Front Wheel fits 2000-03 Harley-Davidson FXD/XL
$391.95

HardDrive American V-Twin Products 21 x 2.15 40 Spoke Chrome Single Disc Front Wheel fits 1993-99 Harley-Davidson FXDWG/FXST
$391.95

HardDrive American V-Twin Products 21 x 2.15 40 Spoke Chrome Single Disc Front Wheel fits 1984-99 Harley-Davidson FXD/FXR/XL
$391.95

Cycle Standard High-Flow Washable Air Filter Element for 1990-1999 Harley 80 inch Evo #29330-96
$22.79

Burly Brand Narrow Bottom Ape Hanger Handlebars - 1 inch - 16 inch Rise - Black

2 $148.46 $164.95

Burly Brand Narrow Bottom Ape Hanger Handlebars - 1 inch - 14 inch Rise - Black

$148.46 $164.95

Burly Brand Scrambler Handlebars - 1 inch - Black

$171.86 $190.95

Burly Brand Scrambler Handlebars - 1 inch - Chrome

$171.86 $190.95

Marion Metalworks Super Carb Mounting Kit
$60.00

Thrashin Supply Co. Mini Floorboard - Black
$379.95

Drag Specialties Replacement Floorboards Harley-Davidson FL FLST
$134.88

Burly Brand Razorback Foot Pegs - Black

$114.26 $126.95

Thrashin Supply Co. ARP Foot Peg Hardware Kit for Harley-Davidson FXR/XL/Dyna
$45.95

Thrashin Supply Co. Shifter Peg - Black
$49.95

Gigacycle Garage Track Star Moto Footpegs
$207.14

Gigacycle Garage Chain/Belt Adjuster Blocks Harley-Davidson FXR
1 review $157.14

Cycle Standard Chrome 6V Coil 1947 & Up Harley-Davidson
1 review $51.78

Cycle Standard Battery Bottom Plate Bracket - Chrome - Early Harley-Davidson 6 Volt Big Twins
$12.39

Cycle Standard Chrome Rear Seat Mounting Bracket
$25.37

Drag Specialties High Performance Battery 2000-Up Harley-Davidson Softails 99-17 FXD/FXDWG/FLD
$158.95

Drag Specialties Fat Bob Style Gas Tanks - 1984-1999 Harley-Davidson FXST/FLST 1985-1986 FX/FXWG - 5 Gallon
$333.67

Drag Specialties 5-Gallon Fat Bob Gas Tank for 1948-1984 Harley FX/FL - Raw Steel
$330.58

Drag Specialties Chrome Rear Fender Strut Set - 1986-99 Harley-Davidson FXST/FLST
$141.06

Drag Specialties Replacement Rear Fender 2006-08 Harley-Davidson FLHT/FLHR/FLTR
$159.60

Drag Specialties Replacement Rear Fender 2009-13 Harley-Davidson FLHT/FLHR/FLTR
$157.54

Drag Specialties Replacement Rear Fender 1982-94 Harley-Davidson FXR
1 review $162.69

Drag Specialties Replacement Rear Fender 1984-96 Harley-Davidson FXST
$179.17

Drag Specialties Replacement Rear Fender 1980-84 Harley-Davidson FXWG
$166.81

Drag Specialties Replacement Front Fender 1954-84 Harley-Davidson FLST/FLSTC
$188.44

Colony #8703-2 Oil Pump Screen Check Relief Plug 1981-Up Harley-Davidson Big Twins - Chrome Plated
$12.34

Colony #9718-2 Intake Manifold Nut Kit 1940-1954 Harley-Davidson OHV 74's 1953-1956 K/KH - Parkerized
$30.42

Colony #3673-10 Allen Sprocket Bolts 1973-Up Harley-Davidson Big Twins/XL - Chrome Plated
$20.63

Colony #3275-2 Pike Nut Front Axle Cover 2001-2011 Harley-Davidson Softail Springer & Heritage Springer - Chrome Plated
1 review $54.14

Colony #3236-1 Stem Crown Nut 1936-1938 Harley-Davidson Big Twin Springer
$55.00

Colony #3229-5 Circuit Breaker Post Rebuild Kit 1930-1948 Harley-Davidson Al lModels
$17.86

Colony #3220-6 Rear Fender Frame Clamp Bolt 1936-1957 Harley-Davidson Big Twins - Chrome Plated
$49.50

Colony #3216-2 Clutch and Brake Lever Bushings 1941-1964 Harley-Davidson
$6.05

Colony #3209-4 Lifter Base Screw Kit 1957-1985 Harley-Davidson Sportster - CAD Plated
$10.65

Colony #3051-1 Oversized Drain Plug 1965-1984 Harley-Davidson FL 1971-1984 FX Chain Housing 1967-1992 XL Crankcase - Zinc Plated
$7.26

Colony #3056-1 Pushrod Lifter ToolHarley-Davidson Knucklehead Panhead Shovelhead
1 review $71.50

Colony #2763-5 Intake Manifold Nipple Installation Tool 1940-1954 Harley-Davidson OHV 74's 1953-1956 K/KH - Parkerized
$97.90

Colony #2348-2 Luggage Carrier Fender Mounting Studs 1942-Up Harley-Davidson WL/WLA/WLC - Parkerized
$18.15

Colony #1027-P Complete Show Bike Kit Polished Allen 2007-Up Harley-Davidson VRSC - Chrome Plated
$173.38

Harley-Davidson Big Twin motorcycles are legendary for their raw power, distinctive style, and unmatched capacity for customization. From the Flathead and Knucklehead to the Panhead, Shovelhead, Evo, and Twin Cam, each Big Twin engine carries its...

If you’re looking to transform your ride—enhancing speed, comfort, or that unmistakable retro look—explore our Harley-Davidson Big Twin Parts collection. We have everything you need to customize your bike, whether you’re focusing on performance upgrades or eye-catching aesthetics.

Why Upgrade a Harley-Davidson Big Twin?

Boundless Customization: Big Twins allow for radical transformations—from stripped-down bobbers to vintage choppers—letting you express your unique vision.
Enhanced Performance: Boost horsepower, torque, and responsiveness with high-quality ignition kits, carburetors, and more.
Personalized Aesthetics: Whether it’s a retro-inspired racer or a comfortable tourer, your bike can reflect your style and riding needs.

Why Buy Big Twin Motorcycle Parts at Lowbrow Customs?

We curate top brands and rigorously test products for durability, fitment, and performance before shipping them out.
Variety of Choices: We offer a carefully curated selection of motorcycle parts for a wide range of Big Twin engines—from the Flathead and Knucklehead to the Panhead, Shovelhead, Evo, and Twin Cam—so you can find the perfect fit for your ride.
Expert Guidance: Need advice on installing a gas tank or swapping out your ignition? Our dedicated staff is here to help—from how-to videos to step-by-step articles.
Passion for Custom Builds: We’re not just sellers—we’re fellow riders who believe in the art of motorcycle customization. Count on our expertise to bring your dream bike to life.
Wide Selection & Fast Shipping: Our warehouse in northeast Ohio is stocked daily, ensuring you get the parts you need quickly. Plus, enjoy free economy shipping on U.S. orders over $99 and flexible return policy within 90-day & no return fee.

Our Featured Big Twin Motorcycle Parts Products

Ignition Kits & Carburetors: Gain more power and better throttle response by upgrading your ignition and carb system. A refined setup can increase speed, torque, and overall rideability.
Custom Gas Tanks: Our Big Twin gas tanks are crafted from high-grade steel, pressure-tested to prevent leaks, and available in multiple shapes and capacities. Achieve the perfect balance between form and function.
Handlebars & Controls: From vintage ape hangers to sporty drag bars, our collection of handlebars offers different heights, widths, and designs. Complete the setup with controls like grips, mirrors, and brake/clutch assemblies for a cohesive look.
Retro Accessories: Elevate your Big Twin’s retro appeal with add-ons like vintage-inspired seats, windshield options, saddle bags, or even a top-mounted box for touring. Personalizing these details completes the old-school charm.

Ready to Customize Your Harley-Davidson Big Twin?

Explore our Harley-Davidson Big Twin Parts collection today and transform your ride into the perfect blend of power, comfort, and style. If you have questions, reach out to our expert support team or dive into our installation guides for pro tips. Let’s make your dream bike a reality—shop now and gear up for the open road.

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Harley-Davidson Big Twin Parts FAQ

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