HARLEY-DAVIDSON FXST SOFTAIL STANDARD Pistons & Piston Rings

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

Part Number: UEM-KB912C-STD

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.905 in. Bore, Harley-Davidson®, 9.30:1 Compression Ratio, Kit

Part Number: UEM-KB348-030

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Piston and Ring Kit, Hypereutectic, 3.915 in. Bore, Harley-Davidson®, 9.30:1 Compression Ratio, Kit

Part Number: UEM-KB348-040

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Piston and Ring Kit, Hypereutectic, 3.880 in. Bore, Harley-Davidson®, Kit

Part Number: UEM-KB348-005

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Piston and Ring Kit, Hypereutectic, 3.655 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB294-030

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Piston and Ring Kit, Hypereutectic, 3.665 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB294-040

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Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Cast Iron Rings, Harley-Davidson®, Kit

Part Number: UEM-KB305-040

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Piston and Ring Kit, Hypereutectic, 3.518 in. Bore, Harley-Davidson®, 7.20;1 Compression Ratio, Kit

Part Number: UEM-KB288-020

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Piston and Ring Kit, Hypereutectic, 3.630 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB294-005

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Piston and Ring Kit, Hypereutectic, 3.645 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB294-020

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.498 in. Bore, Harley-Davidson®, 7.20;1 Compression Ratio, Kit

Part Number: UEM-KB288-STD

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 7.20;1 Compression Ratio, Kit

Part Number: UEM-KB288-040

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Piston and Ring Kit, Hypereutectic, 3.508 in. Bore, Harley-Davidson®, 8.60;1 Compression Ratio, Kit

Part Number: UEM-KB258-010

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Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 8.60;1 Compression Ratio, Kit

Part Number: UEM-KB258-040

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Piston and Ring Kit, Hypereutectic, 3.518 in. Bore, Harley-Davidson®, 8.60;1 Compression Ratio, Kit

Part Number: UEM-KB258-020

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Piston and Ring Kit, Hypereutectic, 3.508 in. Bore, Harley-Davidson®, 7.20;1 Compression Ratio, Kit

Part Number: UEM-KB288-010

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Estimated Ship Date: Oct 7, 2025 if ordered today

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PISTON SET 4''+.010''

Part Number: SSY-92-1411

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ENGINE PISTONS, 111" 117" OR 124" 4-1/8" BORE, PISTON SET 4-1/8" STD FLAT TOP

Part Number: SSY-106-3491A

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89" PISTON SET STD

Part Number: SSY-106-5554

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Piston and Ring Kit, Forged, 3.500 in. Bore, Harley-Davidson®, Kit

Part Number: SSY-106-5555

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PISTON SET HC 3-1/2'' +.020''

Part Number: SSY-106-5556

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ENGINE PISTON RINGS CLIPS, C-CLIP .927" 2PK

Part Number: SSY-94-9278-2

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Estimated Ship Date: Sep 25, 2025 if ordered today

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ENGINE PISTON RINGS CLIPS, C-CLIP .927" EA

Part Number: SSY-94-9278-S

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Estimated Ship Date: Sep 25, 2025 if ordered today

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PISTON SET 3-5/8 +.010

Part Number: SSY-92-1901

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PISTON SET 3-5/8 +.020

Part Number: SSY-92-1902

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