HARLEY-DAVIDSON FLSTF FAT BOY Engines & Components

KB Performance V-Twin Piston and Ring Kits KB907C.020

Piston and Ring Kit, Forged, 3.895 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB907C-020

Not Yet Reviewed

Estimated Ship Date: Jun 4, 2026 if ordered today

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Estimated Ship Date: Jun 4, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB918C.005

Piston and Ring Kit, Forged, 4.130 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB918C-005

Not Yet Reviewed

Estimated Ship Date: Jun 4, 2026 if ordered today

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Estimated Ship Date: Jun 4, 2026 if ordered today

Wiseco Tracker Series Pistons K0207P1

Wiseco Tracker Series Pistons K0207P1

Engine Piston Set, Tracker Series HD TC88 to 95cid 9.5:1 CR

Part Number: WIS-K0207P1

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

COMP Cams High Performance Valve Spring Kits 9702-KIT

Powersports Valvetrain Kit, Valve Spring Kit, Chromoly Steel Retainers, 600 in. Lift, Kit

Part Number: CCA-9702-KIT

Not Yet Reviewed

Estimated Ship Date: Jun 19, 2026 if ordered today

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Estimated Ship Date: Jun 19, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M4950010

Engine Piston Ring Set, 1-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4950010

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Wiseco 4-Stroke Piston Rings 3625X

Piston Rings, Moly, 3.625 in. Bore, Harley-Davidson®, Set

Part Number: WIS-3625X

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Accutronix Voltage Regulator Mounts RM2140-B

Voltage Regulator Bracket, Billet Aluminum, Black Anodized, Harley-Davidson®, Each

Part Number: AIX-RM2140-B

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

S&S Cycle Standard Adjustable Pushrods 93-5095

Pushrods, Standard Adjustable, Chromoly, Ball Tips, Chrome Covers, Cover Keepers, Harley-Davidson®, Kit

Part Number: SSY-93-5095

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

S&S Cycle Cast Piston and Ring Kits 920-0015

S&S Cycle 84-99 BT w/ Stock Heads Standard 80in Cast Flat-Topped Replacement Piston Kit

Part Number: SSY-920-0015

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

S&S Cycle 100 in. Power Packages 330-0665

ENGINE CYLINDERS, 99-06 TWIMCAM (EXC 06 DYNA), POWER PACK 585GE BLK

Part Number: SSY-330-0665

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

S&S Cycle Hydraulic Tensioner Oil Passage Block-Off Kits 106-5723

ENGINE PERFORMANCE, OIL PASSAGE BLOCK-OFF KIT

Part Number: SSY-106-5723

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

Kuryakyn Bluegrass Breather Catch Tanks 9931

Overflow Tank, Bluegrass Breather, 20cc Capacity, Round, Steel, Chrome, Harley-Davidson®, Each

Part Number: KUR-9931

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Hastings Piston Ring Sets 6164S

Engine Piston Ring Set, Single Cyl Ring Set; Phosphate

Part Number: HSN-6164S

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Hastings Piston Ring Sets 6164S005

Engine Piston Ring Set, Single Cyl Ring Set; Phosphate

Part Number: HSN-6164S005

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Hastings Piston Ring Sets 6164S010

Engine Piston Ring Set, Single Cyl Ring Set; Phosphate

Part Number: HSN-6164S010

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

S&S Cycle Late Twin Cam Chain Drive Camshaft Kits 106-4383

Camshafts, 255 Intake/260 Exhaust Duration, 0.625 Intake, /0.625 in. Exhaust Lift, Harley-Davidson®, Kit

Part Number: SSY-106-4383

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

S&S Cycle 110 in. Power Packages 330-0668

Top End Engine Kit, 110 in Power Package, Black Wrinkle Finish, 585 Easy Start Cams, Harley-Davidson®, Kit

Part Number: SSY-330-0668

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB912C.STD

Piston and Ring Kit, Forged, 4.125 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB912C-STD

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2026 if ordered today

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Estimated Ship Date: Jun 3, 2026 if ordered today

Feuling Parts HP+ Oil Pumps 7060

Oil Pump, HP+, Dry Sump, High-Volume, High-Pressure, 6061 Aluminum, Feuling Parts, Harley-Davidson®, Each

Part Number: FEU-7060

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Feuling Parts Camplate PSI Testers 9010

Camshaft Support Plate Tool, Camplate PSI Tester, Harley-Davidson®, Each

Part Number: FEU-9010

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB409C.020

Piston and Ring Kit, Hypereutectic, 3.895 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB409C-020

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2026 if ordered today

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Estimated Ship Date: Jun 3, 2026 if ordered today

Feuling Parts Race Series Lifters 4052

Race Series Lifters, Hydraulic Roller Lifter Style, 0.844 in. OD, Buell, Harley-Davidson®, Feuling, Set of 4

Part Number: FEU-4052

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Feuling Parts Conversion HP+ Oiling System Kits 7076

Oiling System, Conversion HP+, Oil Pump, Dry Sump, Hi-Volume/Pressure, Hydraulic Roller Lift, Chain Drive, Kit

Part Number: FEU-7076

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Feuling Parts Quick-Change Cam Install Kits 2070

Camshaft Install Kit, Quick-Change, Gaskets, Bearings, Retaining Plate, O-Rings, For Gear Drive, Feuling, Kit

Part Number: FEU-2070

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today