KB Performance V-Twin Piston and Ring Kits

Piston and Ring Kit, Forged, 3.895 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB909C-020

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Estimated Ship Date: Mar 18, 2026 if ordered today

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PISTON KIT HARLEY DAVIDSON

Part Number: UEM-KB935C-STD

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Piston, V-Twin, Forged Aluminum, 3.895 in. Bore, Harley-Davidson®, Kit

Part Number: UEM-KB660C-020

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Powersports Piston, Forged 4032, 2-Line Coated, 4.020 in. Bore, 1.086 in. Comp. Ht, Dome, -5.1cc, 0.020 in. Oversize, 0.927 in. Pin, Harley®, Set

Part Number: UEM-KB661LCA020

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KB Pistons, Forged, V-Twin, Pair

Part Number: UEM-KB662C-020

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KB Pistons, Forged, V-Twin, Pair

Part Number: UEM-KB662C-030

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KB Pistons, Forged, V-Twin, Pair

Part Number: UEM-KB662C-STD

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Piston and Ring Kit, Hypereutectic, 3.477 in. Bore, Harley-Davidson®, 7.80;1 Compression Ratio, Kit

Part Number: UEM-KB263-040

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Piston and Ring Kit, Hypereutectic, 3.497 in. Bore, Harley-Davidson®, 7.80;1 Compression Ratio, Kit

Part Number: UEM-KB263-070

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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, 3.538 in. Bore, Harley-Davidson®, 8.60;1 Compression Ratio, Kit

Part Number: UEM-KB258-040

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

Part Number: UEM-KB305-040

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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, 3.905 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, 3.503 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB414-005

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

Part Number: UEM-KB414-010

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Piston and Ring Kit, Hypereutectic, 3.030 in. Bore, Harley-Davidson®, 9.10:1 Compression Ratio, Kit

Part Number: UEM-KB408C-030

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Piston and Ring Kit, Hypereutectic, 3.040 in. Bore, Harley-Davidson®, 9.10:1 Compression Ratio, Kit

Part Number: UEM-KB408C-040

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Piston and Ring Kit, Hypereutectic, 3.905 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB409C-030

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Piston and Ring Kit, Hypereutectic, 3.915 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB409C-040

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Piston and Ring Kit, Hypereutectic, 3.508 in. Bore, Harley-Davidson®, 8.80:1 Compression Ratio, Kit

Part Number: UEM-KB410-010

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Piston and Ring Kit, Hypereutectic, 3.518 in. Bore, Harley-Davidson®, 8.80:1 Compression Ratio, Kit

Part Number: UEM-KB410-020

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Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 8.80:1 Compression Ratio, Kit

Part Number: UEM-KB410-040

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Piston and Ring Kit, Hypereutectic, 3.188 in. Bore, Harley-Davidson®, 8.20;1 Compression Ratio, Kit

Part Number: UEM-KB292-STD

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