HARLEY-DAVIDSON FXSTC SOFTAIL CUSTOM KB V-Twin Parts and Accessories

Piston and Ring Kit, Hypereutectic, 3.508 in. Bore, Cast Iron Rings, Harley-Davidson®, Kit

Part Number: UEM-KB305-010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

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Piston and Ring Kit, Hypereutectic, 3.498 in. Bore, Cast Iron Rings, Harley-Davidson®, Kit

Part Number: UEM-KB305-STD

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Estimated Ship Date: Dec 22, 2026 if ordered today

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

Part Number: UEM-KB918C-STD

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Estimated Ship Date: Dec 21, 2026 if ordered today

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Piston Set, Super Duty KB Forged Piston - Twin Cam 96 Big Bore Flat Top +1.9cc (103ci) 2007 To Present Rod -7.667

Part Number: UEM-KB908LCA005

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Estimated Ship Date: Dec 21, 2026 if ordered today

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Piston and Ring Kit, Forged, 4.020 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB914C-020

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Estimated Ship Date: Monday 11/16/2026 if shipped by air

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Piston and Ring Kit, Forged, 4.130 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB916C-005

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Estimated Ship Date: Monday 11/16/2026 if shipped by air

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Piston and Ring Kit, Forged, 4.000 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB915C-STD

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Estimated Ship Date: Dec 21, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.503 in. Bore, Harley-Davidson®, 8.60;1 Compression Ratio, Kit

Part Number: UEM-KB258-005

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Estimated Ship Date: Dec 22, 2026 if ordered today

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Piston and Ring Kit, Forged, 3.875 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB908C-STD

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/16/2026 if shipped by air

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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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Estimated Ship Date: Dec 21, 2026 if ordered today

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"KB HYPER PISTON - TWIN CAM 88 BIG BORE (95ci) 1998-06, ROD-7.667, FLAT TOP +1cc"

Part Number: UEM-KB411-STD

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Estimated Ship Date: Dec 21, 2026 if ordered today

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Piston and Ring Kit, Forged, 3.880 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB907C-005

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 21, 2026 if ordered today

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Piston and Ring Kit, Forged, 4.010 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB915C-010

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Estimated Ship Date: Dec 21, 2026 if ordered today

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

Part Number: UEM-KB258-STD

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Estimated Ship Date: Dec 21, 2026 if ordered today

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Piston and Ring Kit, Forged, 4.155 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB917C-030

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Estimated Ship Date: Dec 21, 2026 if ordered today

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Piston and Ring Kit, Forged, 4.155 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB918C-030

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Estimated Ship Date: Dec 21, 2026 if ordered today

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Piston and Ring Kit, Forged, 4.005 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB913C-005

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Estimated Ship Date: Dec 21, 2026 if ordered today

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Piston and Ring Kit, Forged, 4.030 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB915C-030

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Estimated Ship Date: Dec 21, 2026 if ordered today

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Piston and Ring Kit, Forged, 4.145 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB918C-020

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Estimated Ship Date: Dec 21, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.528 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB266-030

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Estimated Ship Date: Dec 21, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.528 in. Bore, Harley-Davidson®, 8.60;1 Compression Ratio, Kit

Part Number: UEM-KB258-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 21, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.518 in. Bore, Harley-Davidson®, 10.50;1 Compression Ratio, Kit

Part Number: UEM-KB266-020

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Estimated Ship Date: Dec 21, 2026 if ordered today

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Powersports Piston and Ring Kits, V-Twin, 88.8mm Bore, Hypereutectic Aluminum, Piston, Ring Set, Pin, Clips, Harley-Davidson®, V-Twin, Kit

Part Number: UEM-KB266-STD

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Estimated Ship Date: Dec 21, 2026 if ordered today

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Piston and Ring Kit, Forged, 4.135 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB918C-010

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Estimated Ship Date: Dec 21, 2026 if ordered today

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Piston and Ring Kit, Forged, 4.135 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB917C-010

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Estimated Ship Date: Dec 21, 2026 if ordered today

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