HARLEY-DAVIDSON Pistons & Piston Rings Engines & Components

KB Performance V-Twin Piston and Ring Kits KB266.040

Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB266-040

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

KB Performance V-Twin Piston and Ring Kits KB294.040

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

Part Number: UEM-KB294-040

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

KB Performance V-Twin Piston and Ring Kits KB297.STD

Piston and Ring Kit, Hypereutectic, 3.498 in. Bore, Harley-Davidson®, 8.30:1 Compression Ratio, Kit

Part Number: UEM-KB297-STD

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

KB Performance V-Twin Piston and Ring Kits KB258.STD

Piston and Ring Kit, Hypereutectic, 3.498 in. Bore, Harley-Davidson®, 8.60;1 Compression Ratio, Kit

Part Number: UEM-KB258-STD

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

KB Performance V-Twin Piston and Ring Kits KB922C.STD

Piston and Ring Kit, Forged, 3.498 in. Bore, Harley-Davidson®, 9.00:1 Compression Ratio, Kit

Part Number: UEM-KB922C-STD

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

KB Performance V-Twin Piston and Ring Kits KB935C.STD

PISTON KIT HARLEY DAVIDSON

Part Number: UEM-KB935C-STD

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Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB919C.010

Piston and Ring Kit, Forged, Flat Top, 3.508 in. Bore, Offset Pin, Harley-Davidson®, V-Twin, Kit

Part Number: UEM-KB919C-010

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

KB Performance V-Twin Piston and Ring Kits KB923C.STD

Piston and Ring Kit, Forged, 3.498 in. Bore, Harley-Davidson®, 9.00:1 Compression Ratio, Kit

Part Number: UEM-KB923C-STD

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

Wiseco Black Edition V-Twin Piston Kits 40252PS

Piston and Ring Kits, Black Edition V-Twin Piston Kits, 4.080 in. Bore, Forged Aluminum, Rings, Harley-Davidson®, Kit

Part Number: WIS-40252PS

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 Powersports Piston Kits 4012PS

Wiseco Powersports Piston Kits 4012PS

Piston and Ring Kit, Forged Aluminum, 3.437 in., Harley-Davidson®, Kit

Part Number: WIS-4012PS

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 3228X

Piston Rings, X, Moly, 3.228 in. Bore, Harley-Davidson®, Set

Part Number: WIS-3228X

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 Powersports Piston Kits K1658

Piston and Ring Kit, Powersports, Forged, Aluminum, Harley-Davidson®, Kit

Part Number: WIS-K1658

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 Powersports Piston Kits K2721

Pistons and Rings, Forged, 3.885 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-K2721

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 Powersports 4-Stroke Forged Series Piston Kits K1692

Engine Piston Set, HD 1340 EVO KIT (3507X-4726/4727P1)

Part Number: WIS-K1692

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 Black Edition V-Twin Piston Kits 40188PS

Engine Piston, HD 2007-17 TC96 FT 10:1 106cid (X)

Part Number: WIS-40188PS

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 Powersports Piston Kits 4012P8

Piston and Ring Kit, Forged Aluminum, 3.517 in., Harley-Davidson®, Kit

Part Number: WIS-4012P8

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 Powersports Piston Kits K1686

Piston and Ring Kit, Powersports, Forged, Aluminum, Buell, Harley-Davidson®, Kit

Part Number: WIS-K1686

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

Hastings Premium Ductile Ring Sets 2M4805

Engine Piston Ring Set, 2-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4805

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits for 1996-2003 XL1200C SPORTSTER 1200 CUSTOM, XL1200S SPORTSTER 1200 SPORT, 1988-2003 XLH1200 - KB264.030

Piston and Ring Kit, Hypereutectic, 3.528 in. Bore, Harley-Davidson®, 9.10;1 Compression Ratio, Kit

Part Number: UEM-KB264-030

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

KB Performance V-Twin Piston and Ring Kits KB272.010

Piston and Ring Kit, Hypereutectic, 3.508 in. Bore, Harley-Davidson®, 10.00;1 Compression Ratio, Kit

Part Number: UEM-KB272-010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

KB Performance V-Twin Piston and Ring Kits KB272.030

Piston and Ring Kit, Hypereutectic, Dish, 3.528 in. Bore, Harley-Davidson®, V2, Kit

Part Number: UEM-KB272-030

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

KB Performance V-Twin Piston and Ring Kits KB288.040

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

Part Number: UEM-KB288-040

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

KB Performance V-Twin Piston and Ring Kits KB305.030

Piston and Ring Kit, Hypereutectic, 3.528 in. Bore, Cast Iron Rings, Harley-Davidson®, Kit

Part Number: UEM-KB305-030

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

KB Performance V-Twin Piston and Ring Kits KB408C.010

Piston and Ring Kit, Hypereutectic, 3.010 in. Bore, Harley-Davidson®, 9.10:1 Compression Ratio, Kit

Part Number: UEM-KB408C-010

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

KB Performance V-Twin Piston and Ring Kits KB906C.030

Piston and Ring Kit, Forged, 3.910 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB906C-030

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