Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
2003 HARLEY-DAVIDSON FXSTI SOFTAIL STANDARD Parts and Accessories
Showing In Stock Items. Show All 245 Items.
Yuasa AGM High Performance Maintenance-Free Batteries
Yuasa AGM high performance maintenance-free batteries have absorbed glass mat (AGM) technology and provide you with greater cranking power with 12 extra plates per battery over your standard AGM battery. They are the perfect fit for people who have better things to do than battery maintenance. They are permanently sealed, never need refilling, and are ideal for motorcycles, scooters, ATVs, riding mowers, and personal watercraft. Yuasa AGM high performance maintenance-free batteries feature a spill-proof design, which means that there is virtually no possibility of leaks. These batteries feature advanced lead-calcium technology that pumps up starting power. They also hold voltage longer and need less charging in standby or storage modes, like during winter storage.
( 266 )
$109.99
Odyssey Drycell Batteries
Odyssey sealed rechargeable drycell batteries provide high engine-cranking pulses and are capable of 400 deep cycles. They can be installed on their sides or at any angle and have a 2-year storage life at 25 degrees C.
( 235 )
$158.55
Yuasa GYZ Maintenance-Free Batteries
Yuasa GYZ maintenance-free batteries use absorbed glass mat (AGM) technology that was designed to eliminate water loss. Factory filled with battery acid, these batteries are permanently sealed. What does that mean for you? It means you'll never need to fill the water level or check the acid level again. These GYZ series batteries are supplied "Factory Activated" (nonspillable). Yuasa is your go-to source for all of your powersports battery needs.
( 127 )
$165.99
Yuasa AGM Maintenance-Free Batteries
Yuasa AGM maintenance-free batteries have absorbed glass mat (AGM) technology. Once your battery is filled with acid, you'll never need to fill it with water or check the acid level. AGM batteries are ideal for motorcycles, scooters, ATVs, riding mowers, and personal watercraft. They feature a spill-proof design, which means there is virtually no possibility of leaks. These batteries feature advanced lead-calcium technology that pumps up starting power. AGM batteries also hold voltage longer and need less charging in standby or storage modes. This means that there will be much longer periods between charges when the batteries are used in a standby mode, like during winter storage. Yuasa batteries are available in nearly two dozen sizes and power options.
( 187 )
$103.99
Klotz Synthetic Basic V-Twin Oil Service Kits
Klotz gets it. You don't have a ton of time to waste on changing your oil—after all, you've got better places to be, and bigger things to see. That is why Klotz has thoughtfully assembled these Basic V-Twin oil service kits designed specifically for the unique performance requirements of your V-Twin engine. Each V-Twin oil change kit comes with just the right amount of lubricant, no more no less. Klotz uses the most advanced technology available and never cost-optimizes their products. Klotz premiere class synthetic lubricants are designed to outperform every other oil on the market—pushing the limits to increase performance, save money, and stop wasting time. Order the V-Twin oil service kit for your specific make and model—and spend less time on maintaining it and more time riding.
( 1 )
$114.95
Kleinn Direct Drive Horn Packages
Kleinn direct drive horn packages are great, simple upgrades for your factory horn. They come as a complete kit, ready for easy installation with a 12 V mini direct drive compressor, mounting hardware, tubing, and relay. The chrome plated metal trumpets will not crack or break like lesser products with thin plastic trumpets. They are also great for use with car alarms or motorcycles. Kleinn offers these direct drive horn sets in dual trumpets that deliver a high pitched and painful sound, or in a single trumpet model for a deeper sound. Order the direct drive horn package best suited for your application.
( 15 )
$229.95
—
$249.95
Wilwood Motorcycle Brake Rotors
Wilwood's motorcycle brake rotors combine the ultimate in performance and distinctive style for production bikes and full customs using OE dimension brake components. A proprietary finishing process on a select stainless alloy provides a second-to-none finish and all of the stopping power that you'd expect from the world leader in high performance brake systems.
( 42 )
$118.10
—
$139.97
KB Performance V-Twin Piston and Ring Kits
KB Performance V-Twin piston and ring kits bring all of the knowledge and experience of a legendary engine builder to the world of high performance motorcycles. These pistons use the latest manufacturing techniques and standards to ensure quality and maximum available performance. The kits are offered in hypereutectic 390 alloy and forged 4032 low-expansion alloy. KB Performance V-Twin piston and ring kits are available for Harley-Davidson® and Indian motorcycles in a variety of engine sizes and compression ratios.
( 20 )
$197.26
—
$221.29
Twin Power Shocker Batteries
Twin Power Shocker batteries are a new line explicitly developed for V-Twins and are offered at a very competitive price. These factory-activated and sealed AGM-style batteries are assembled in a robust stock appearing ABS case with a matte black finish. The terminals are a flush mount design with dual connection points and captive internal nuts for a fumble-free installation. Twin Power Shocker batteries includes extra-thick plates for extreme vibration resistance, a heat-sealed cover to protect against leakage and corrosion, and fully sealed posts.
( 4 )
$138.99
Accutronix Knurled Grooved Grips
Accutronix knurled grooved grips are available in conventional and fly-by-wire styles to outfit your bike. Machined from 6061 T-6 billet aluminum, these hand grips are available in several finishes—including polished, brass, black anodized, chrome plated, and the signature Night Series (a contrast of a black anodized and raw aluminum). Order the pair designed for fitment on your specific motorcycle.
Not Yet Reviewed
$113.36
—
$161.06
On Sale
ACCEL Motorcycle Single Fire Super Coils
ACCEL Motorcycle's Single Fire Super coils deliver all of the great features of their dual fire brothers, like a faster rise time, higher voltage, and maximum energy to the spark plug. They're available in a choice of finishes.
( 8 )
$249.95
$139.95
HardDrive Fat-Z Handlebars
Get a comfortable ride and a tubular style with HardDrive Fat-Z handlebars. Constructed of heavy-duty, high-quality steel tubing with welded step joints, which are knurled for 3 1/2 in. riser spacing, these handlebars are available in a chrome or black finish. They're drilled for internal wiring, with an installed pull-cord for easy wire installation. HardDrive handlebars are the perfect complement to your ride. HardDrive handlebars are sturdy, custom, and comfortable high-quality style.
( 6 )
$128.66
—
$208.76
Summit Bucks
Russell 5 Shot Rotors
These Russell 5 Shot rotors are the perfect choice when replacing the stock rotors on your motorcycle. These 5 Shot rotors are made of stainless steel with a matte machined finish and are the most affordable in the Russell line of rotors.
( 2 )
$102.99
—
$182.99
Performance Machine Contour Renthal Wrapped Grips
Rubber components on a motorcycle ensure a steady workout--from tires to handlebar grips. Consider Performance Machine Contour Renthal wrapped grips when it's time to replace your grips after countless hours of grasping those controls! These vital accessories are produced in both chrome and smooth black anodized finishes. Each version begins with CNC-machined aluminum, highly polished prior to top layer treatments. Completing the ensemble, genuine Renthal rubber surrounds the billet base, ensuring a textured cushion for non-slip performance every time you twist the throttle. The Contour design includes intricate details, right down to the Performance Machine logo on the grip tips. Find the fitment for your ride!
Not Yet Reviewed
$138.95
S&S Cycle Street Performance .585 Valve Spring Kits
S&S Cycle offers Street Performance .585 in. valve spring kits to upgrade your bike's performance—so you don't have just another "me too" motorcycle. Order the valve spring kit designed for your make and model. Features and specifications: * Available for fitment on a variety of Harley-Davidson® and Buell models * Kit contains springs, top and bottom collars, keepers, and shims * Accommodates camshaft lift to 0.585 inches * Suitable for high performance applications * Coil springs reduce the risk of valve float
Not Yet Reviewed
$163.95
Twin Power Clutch Hubs
Replace your worn or broken clutch hub with Twin Power clutch hubs. These hubs are an accurate reproduction of the original and feature an aluminum hub construction with steel splines. Get a quality OE replacement part at a fraction of the cost with Twin Power clutch hubs.
Not Yet Reviewed
$145.19
Twin Power Starter Jackshaft Kits
Twin Power starter jackshaft kits feature a one-piece design that delivers more starter torque to your primary and is more tolerant of misalignment problems. Twin Power starter jackshaft kits are affordable kits that take less out of your pocketbook than your average factory starter jackshaft assemblies, but still provide the same great high-quality dependability and performance you'd find from one you'd buy at the dealership. They come with bolts and all other necessary hardware for a hassle-free install.
Not Yet Reviewed
$111.99
HardDrive Fat Drag Handlebars
Get a comfortable ride and Fat Drag style with HardDrive Fat Drag handlebars. Constructed from heavy-duty, high-quality steel tubing with welded step joints, which are knurled for 3 1/2 in. riser spacing, these handlebars are available in a chrome or black finish. HardDrive handlebars are sturdy, custom, and offer comfortable, high-quality style.
( 1 )
$145.76
—
$166.46
On Sale
Progressive Suspension Heavy Duty Stock Length Fork Springs
Progressive Suspension heavy-duty stock length fork springs soak up the small road bumps and improve front-end stability—as well as increase comfort for heavier riders or bikes that tend to carry heavier loads. These replacement springs are available for fitment on a wide range of Harley-Davidson® models. Product features: * Recommended for riders over 225 lbs. * Spring rates have been chosen to reduce front-end dive during braking, yet still provide excellent ride comfort * Lifetime fork spring warranty * Progressive spring rate * Ideal performance improvement when installing chrome lower forks * Sold in sets that include correct spacers for the application
Not Yet Reviewed
$139.95
$127.35
HardDrive Apehanger Handlebars
You'll love the look of HardDrive Apehanger handlebars. The "easy rider" look handlebars are great, feel sturdy, and are made of high-quality steel tubing with a chrome finish. They're dimpled for external wiring, with a rise height from 8 to 16 in., and knurled for 3 1/2 in. riser spacing. HardDrive handlebars are sturdy, custom, and comfortable high-quality style.
Not Yet Reviewed
$108.86
—
$123.26
Twin Power Premium Factory Activated AGM Batteries
The electrical system on your bike starts with the battery. Twin Power premium factory activated AGM batteries have charge recovery capabilities beyond those of standard auto shop designs. These batteries have Absorbed Glass Mat separators and longer shelf life, while improving performance. They are shipped to you filled, sealed, and charged and feature flush mounted terminals.
( 8 )
$199.99
Kuryakyn Alley Cat LED Fuel and Battery Gauges
Kuryakyn Alley Cat LED fuel and battery gauges are an amazing combination of form and function. The bright LEDs let you easily judge your fuel and battery levels at a glance, and the warning lights are easy to see, even in direct sunlight. These units replace your stock tank-mounted (not center console-mounted) fuel gauges, and they are an ideal match to Kuryakyn's stunning Alley Cat gas caps. The addition of the voltage meter is a must to alert you of any electrical issues ahead of time.
( 1 )
$186.99
EBC Wideband Series Rotors
EBC wideband series rotors are made from laser-cut stainless steel. The hub centers are polished to a show finish and are attached to outer rotor blades with a 5 or 10-button full-floating EBC S-Drive system, depending on the application. EBC wideband series rotors are specifically designed to withstand the extra duty of rear brakes on heavier motorcycles.
( 3 )
$185.89
Kuryakyn Informer LED Gauges
Kuryakyn Informer LED gauges keep a low profile and are a perfect match for their flush-mount gas caps. Informer's sleek design incorporates both an LED fuel gauge and an LED battery gauge. The fuel gauge has a string of color-coded LEDs to indicate fuel level and Kuryakyn's patent-pending design allows the rider to select the fuel level at which the red "empty" LED illuminates.
Not Yet Reviewed
$176.99
