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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Drag Specialties Predator 2-Up Seat - Smooth - 1958-84 Harley-Davidson FX/FL
$383.95

Cycle Standard Nose Cone Cam Gear Cover - Black - 1993-99 Harley-Davidson Big Twin
$174.03

Cycle Standard Replacement Dished Sprocket - Black - 51 Tooth - 1973-1985 Harley-Davidson Big Twin 1979-81 XL OEM# 41470-73
$66.56

Cycle Standard Front Motor Mount 1982-94 Harley-Davidson FXR 80-08 FLH FLT
$31.61

Cycle Standard Engine Stabilizer Link - Chrome - 1982-94 Harley-Davidson FXR 91-94 Dyna 80-08 Touring
1 review $73.06

Cycle Standard Rocker Box D-rings - Polished - 1948-65 Harley-Davidson Panhead
$103.32

Drag Specialties Organic Rear Brake Pads L1987-99 H-D XL 91-98 Dyna Glide 84-97 FXR 84-E87 FXST/FLST
$31.19

Drag Specialties Semi Metallic Rear Brake Pads 1982-E87 H-D XL 84-E87 FXR 84-E87 FXST/FLST 85-86 FXWG 85 FXE/FXEF 82-83 FXR/FXRS/FXRT 83-84 FXWG 84 FXE/FXEF
$21.37

Cannonball Lion Battery Box for Li-Ion Batteries 1936-1964 Harley-Davidson OHV Big Twin 1937-1948 SV Big Twin
$463.52

Drag Specialties Front Brake Master Cylinder Assembly - Black - Dual Disc 1982-85 Harley-Davidson Big Twin and Sportster XL
$303.80

Drag Specialties Front Brake Master Cylinder Assembly - Black - Single Disc 1982-85 Harley-Davidson Big Twin and Sportster XL
$303.80

Drag Specialties Front Brake Master Cylinder Assembly - Black - Dual Disc 1996-17 Models (EXCEPT 15-17 Softail, 08-17 Dressers, Trike, 04-17 XL)
$322.34

Drag Specialties Brake/Mechanical Clutch Controls Kit w/o Switches - Chrome - Dual Disc 1996-11 Harley-Davidson FXD/FXDWG 96-03 XL 96-07 FLHR 96-10 FXST/FLST
$404.74

Drag Specialties Brake/Mechanical Clutch Controls Kit with Switches - Chrome - Single Disc 1996-11 Harley-Davidson FXD/FXDWG 96-03 XL 96-07 FLHR 96-10 FXST/FLST
$636.49

Burly Brand Rear Lowering Kit - Black - 1985-1996 Harley-Davidson FLT

$120.56 $133.95

Colony 8761-7-P Timing Cover Smooth Allen Screw Kit 1970-1992 Harley-Davidson Shovelhead/Evo - Chrome Plated
1 review $14.51

Cycle Standard Headlight Visor - 5-3/4" Headlight - Chrome - Replaces OEM# 69735-05
$35.85

Cycle Standard Headlight Visor - 7" Headlight - Black - Replaces OEM# 69734-05
$26.55 $35.40

Cycle Standard Headlight Visor - 7" Headlight - Black - Replaces OEM# 69733-05
$33.24 $44.32

Cycle Standard Blackout Taillight 1999-2015 Harley-Davidson FL/FX/Sportster (except 12-15 XL1200C/CP)
1 review $63.44

Colony #3596-2 Swing Arm End Plates 1991-2005 Harley-Davidson Dyna - Zinc Plated
$9.68

Colony #3603-12 Pushrod Cover O-Ring Seals 1979-1985 Harley-Davidson Sportster XL
$8.78

Colony #3560-2 Lower Front Tie Rod Set Screws 1920-1984 Harley-Davidson Sidecars
$7.26

Colony #3616-1 Horn Mount Flexible Connection 1936-1941 Harley-Davidson All Models (except VL)
$8.80

Colony #3605-45 Horn Mounting Kit 1936-1941 Harley-Davidson All Models (except VL/RL)
$89.00

Colony #3609-9 Horn Mounting Kit 1952-1954 Harley-Davidson All Models
$37.50

Colony #3608-9 Horn Mounting Kit 1949-1951 Harley-Davidson All Models
$37.50

Colony #3607-13 Horn Mounting Kit 1946-1948 Harley-Davidson All Models
$17.05

Colony #3594-1 Handlebar To Fork Cable Guide Cover 1949-1960 Harley-Davidson Big Twins 1958-1960 Servicar
$16.94

Colony #3600-1 Buddy Seat Front Mounting Bracket 1936-1980 Harley-Davidson Big Twins - Parkerized
$22.00

Colony #3601-2 Buddy Seat Bar Mounting Plates 1936-1980 Harley-Davidson Big Twins - Parkerized
$20.35

Andrews 4-Speed Gear Set 1977-E84 Harley-Davidson Big Twin - Close Ratio
$917.06 $1,018.95

Andrews 4-Speed Gear Set 1936-76 Harley-Davidson Big Twin - Stock Ratio
$890.96 $989.95

Baker Drivetrain Direct Drive 6-Speed Gear Set 1990-97 Harley-Davidson FLT/FLHT/FLHS/FLHR/FLTR/FX
$3,035.25 $3,195.00

Drag Specialties Points Style Distributor - 1965-69 Harley-Davidson Big Twins - Single Hold Down
2 reviews $314.03

Dynatek Performance Electronics Single Fire Ignition and Coil Kit - 1971-2003 Harley-Davidson XL 1970-99 Big Twins
$364.43

Dynatek Performance Electronics 2000-HDE PC-Programmable Digital Ignition Module - Single or Dual Fire 1994-97 Harley-Davidson XL 1994-99 FX FL Models
$296.65

Dynatek Performance Electronics 2000-HDE PC-Programmable Digital Ignition Module - Single or Dual Fire 1990-93 Harley-Davidson XL 1991-95 FX Models
$296.65

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 - Black - 1995-2011 Harley-Davidson XL883 1995-2005 FXD Models
1 review $103.98

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

Cannonball Transmission Base Plate 1936-1985 4 Speed Harley-Davidson Big Twins
$132.13

Drag Specialties Shifter Linkage - Black - 1984-2021 Harley-Davidson FLHT/FLHR/FLHX/FLTRX/FLTRU 2000-17 FLST/FLS
$64.84

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 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

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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