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Harley-Davidson Fat Bob

The Fat Bob has lived on two platforms: the Dyna Fat Bob (FXDF, 2008-2017) and the Milwaukee-Eight Softail Fat Bob (FXFB and FXFBS 114, 2018 on) with its inverted front end and dual headlight. This page covers both generations. Shocks, fork cartridges, exhaust, and tuners listed here are confirmed-fit by year and model code, so check the fitment notes on each product page before you buy.

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1997-2025 Harley-Davidson Softail/Dyna Twin Power YTX-20HL Shocker Gel Battery 310 CCA

TwinPower
Original price $138.99 - Original price $138.99
Original price
$138.99
$138.99 - $138.99
Current price $138.99

Twin Power Shocker Gel batteries use nano-gel technology in a heavy-duty OEM-style case for long, reliable starting performance. The gel electrolyt...

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2011-2020 Harley-Davidson Touring/Softail Dynojet Power Vision 4 Flash Tuner

Dynojet
Original price $533.32
Original price $533.32 - Original price $533.32
Original price $533.32
Current price $479.99
$479.99 - $479.99
Current price $479.99

The Dynojet Power Vision 4 is a Bluetooth flash tuner that pairs with the Dynojet mobile app to write performance tunes directly to your bike's ECU...

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1984-2025 Harley-Davidson Softail/Dyna Antigravity XPS YTX20 Lithium Battery 780 CA Left Side Negative

Antigravity Batteries
Original price $409.99 - Original price $409.99
Original price
$409.99
$409.99 - $409.99
Current price $409.99

The Antigravity XPS YTX20 is the Extreme Power Series battery in the standard YTX20 case, and it is the model Antigravity itself directs big-inch b...

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1984-2025 Harley-Davidson Softail/Dyna Antigravity XPS YTX20 Lithium Battery 780 CA Right Side Negative

Antigravity Batteries
Original price $409.99 - Original price $409.99
Original price
$409.99
$409.99 - $409.99
Current price $409.99

The Antigravity XPS YTX20 is the Extreme Power Series battery in the standard YTX20 case, and it is the model Antigravity itself directs big-inch b...

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1984-2025 Harley-Davidson Softail/Dyna & Indian Antigravity ATX20-HD Heavy Duty Lithium Battery 780 CA

Antigravity Batteries
Original price $449.99 - Original price $449.99
Original price
$449.99
$449.99 - $449.99
Current price $449.99

The Antigravity ATX20-HD is the Heavy Duty version of the YTX20-size lithium battery, built for bikes that need more usable capacity: accessory-hea...

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1984-2025 Harley-Davidson Softail/Dyna & Indian Antigravity ATX20-RS RE-START Lithium Battery 680 CA

Antigravity Batteries
Original price $354.99 - Original price $354.99
Original price
$354.99
$354.99 - $354.99
Current price $354.99

The Antigravity ATX20-RS is a lithium-ion replacement for the YTX20-series battery used across Harley-Davidson Softail, Dyna, and older Sportster m...

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1991-2025 Harley-Davidson Softail/Dyna & Indian Yuasa GYZ20HL High Performance AGM Battery 320 CCA

Yuasa Battery
Original price $227.95 - Original price $227.95
Original price
$227.95
$227.95 - $227.95
Current price $227.95

The Yuasa GYZ20HL is the top-tier battery for the Softail, Dyna, V-Rod and Indian Thunderstroke platforms. The GYZ series uses taller plates, thru-...

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1991-2025 Harley-Davidson Softail/Dyna & Indian Yuasa YTX20HL-BS High Performance AGM Battery 310 CCA

Yuasa Battery
Original price $169.95 - Original price $169.95
Original price
$169.95
$169.95 - $169.95
Current price $169.95

The Yuasa YTX20HL-BS is the high performance battery for American V-twins: the direct fit for 1991-2025 Harley-Davidson Softail and 1991-2017 Dyna ...

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1991-2025 Harley-Davidson Softail/Dyna/V-Rod & Indian Yuasa YTX20HL Factory Activated AGM Battery 310 CCA

Yuasa Battery
Original price $172.95 - Original price $172.95
Original price
$172.95
$172.95 - $172.95
Current price $172.95

The Yuasa YTX20HL is the factory-activated version of the YTX20HL-BS, filled and charged at the plant and ready to install. It covers the widest sp...

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1991-2025 Harley-Davidson Softail/Dyna Yuasa YTX20L-BS Maintenance Free AGM Battery 270 CCA

Yuasa Battery
Original price $160.95 - Original price $160.95
Original price
$160.95
$160.95 - $160.95
Current price $160.95

The Yuasa YTX20L-BS is the standard replacement battery for 1991-2025 Harley-Davidson Softail and Dyna models, matching the case size and terminal ...

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1991-2025 Harley-Davidson Softail/Dyna/V-Rod Yuasa YTX20L Factory Activated AGM Battery 270 CCA

Yuasa Battery
Original price $161.95 - Original price $161.95
Original price
$161.95
$161.95 - $161.95
Current price $161.95

The Yuasa YTX20L is the factory-activated version of the YTX20L-BS, filled and charged at the Yuasa plant and ready to drop into 1991-2025 Harley-D...

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2006-2017 Harley-Davidson Dyna Fox Complete Front and Rear Suspension Kit (GRIP 49mm Cartridges + IFP-QSR/QS3-QSR Rear Shocks)

FOX Powersports
Original price $1,899.99 - Original price $2,399.99
Original price
$1,899.99 - $2,399.99
$1,899.99 - $2,399.99
Current price $1,899.99

Dyna riders take suspension more seriously than anyone in the Harley world, and this is the full Fox treatment for the 49mm-fork Dynas: GRIP Street...

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1997-2025 Harley-Davidson Softail/Dyna Twin Power YTX-20HL Shocker Battery 310 CCA

TwinPower
Original price $138.99 - Original price $138.99
Original price
$138.99
$138.99 - $138.99
Current price $138.99

Twin Power Shocker batteries are endurance and laboratory tested for long, reliable performance in a heavy-duty OEM-style case. Absorbed Glass Mat ...

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1997-2025 Harley-Davidson Softail/Dyna Twin Power YTX-20HL High Performance Battery 310 CCA

TwinPower
Original price $169.99 - Original price $169.99
Original price
$169.99
$169.99 - $169.99
Current price $169.99

Twin Power High Performance batteries are made in the USA and supplied factory activated, filled, sealed, and charged. Absorbed Glass Mat construct...

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1997-2025 Harley-Davidson Softail/Dyna Twin Power GYZ-20HL Premium MAX Battery 320 CCA

TwinPower
Original price $199.99 - Original price $199.99
Original price
$199.99
$199.99 - $199.99
Current price $199.99

Twin Power Premium MAX batteries are made in the USA with Absorbed Glass Mat construction in a heavy-duty OEM-style case. Factory activated and sea...

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1991-2017 Harley-Davidson Dyna Öhlins STX 36 Blackline 13in Adjustable Shock (Pair)

Ohlins
Original price $1,153.90 - Original price $1,153.90
Original price
$1,153.90
$1,153.90 - $1,153.90
Current price $1,153.90

Öhlins STX 36 Blackline rear shocks for Harley-Davidson Dyna, 1991-2017. A premium suspension upgrade over the OEM rear shocks for the full Dyna FX...

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1991-2017 Harley-Davidson Dyna Öhlins STX 36 Blackline 12in Piggyback Reservoir Shock (Pair)

Ohlins
Original price $1,648.90 - Original price $1,648.90
Original price
$1,648.90
$1,648.90 - $1,648.90
Current price $1,648.90

Öhlins STX 36 Blackline rear shocks for Harley-Davidson Dyna, 1991-2017. A premium suspension upgrade over the OEM rear shocks for the full Dyna FX...

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1991-2017 Harley-Davidson Dyna Öhlins STX 36 Blackline 12in Adjustable Shock (Pair)

Ohlins
Original price $1,153.90 - Original price $1,153.90
Original price
$1,153.90
$1,153.90 - $1,153.90
Current price $1,153.90

Öhlins STX 36 Blackline rear shocks for Harley-Davidson Dyna, 1991-2017. A premium suspension upgrade over the OEM rear shocks for the full Dyna FX...

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1991-2017 Harley-Davidson Dyna Öhlins STX 36 Blackline 12in Shock (Pair)

Ohlins
Original price $933.90 - Original price $933.90
Original price
$933.90
$933.90 - $933.90
Current price $933.90

Öhlins STX 36 Blackline rear shocks for Harley-Davidson Dyna, 1991-2017. A premium suspension upgrade over the OEM rear shocks for the full Dyna FX...

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2006-2017 Harley-Davidson Dyna Progressive 494 Series Shocks 13.5in Bushing Mount Heavy Duty Black (Pair)

Progressive
Original price $879.95 - Original price $879.95
Original price
$879.95
$879.95 - $879.95
Current price $879.95

The 494 Sport Series is a high-pressure monotube shock with deflective disc damping, hand-threaded preload, and external rebound adjustment. A prog...

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2021-2023 Harley-Davidson Touring/Softail Dynojet Power Vision 4 Reflash Cable

Dynojet
Original price $77.77
Original price $77.77 - Original price $77.77
Original price $77.77
Current price $69.99
$69.99 - $69.99
Current price $69.99

The Dynojet Power Vision 4 Reflash Cable is a replacement diagnostic cable for the Power Vision 4 tuner on 2021 and newer Harley-Davidson Touring a...

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Harley-Davidson Dynojet Power Vision ECU Cable Delphi CAN

Dynojet
Original price $77.77
Original price $77.77 - Original price $77.77
Original price $77.77
Current price $69.99
$69.99 - $69.99
Current price $69.99

The Dynojet Power Vision ECU Cable is a replacement diagnostic cable for connecting a Power Vision flash tuner to Harley-Davidson motorcycles equip...

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Harley-Davidson Dynojet Power Vision ECU Cable Delphi J1850

Dynojet
Original price $77.77
Original price $77.77 - Original price $77.77
Original price $77.77
Current price $69.99
$69.99 - $69.99
Current price $69.99

The Dynojet Power Vision ECU Cable is a replacement diagnostic cable for connecting a Power Vision flash tuner to Harley-Davidson motorcycles equip...

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2006-2017 Harley-Davidson Dyna Progressive 990 Series Shocks 13.5in Black (Pair)

Progressive
Original price $1,896.95 - Original price $1,896.95
Original price
$1,896.95
$1,896.95 - $1,896.95
Current price $1,896.95

The 990 Series is the most adjustable shock in the V-twin market: ride height adjusts via a 0.4" adjustable eyelet, with external rebound damping, ...

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