Powersports Piston and Ring Kits

Piston and Ring Kit, Forged, 4.020 in. Bore, Harley-Davidson®, 10.50:1 Compression Ratio, Kit

Part Number: UEM-KB915C-020

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Estimated Ship Date: Dec 29, 2025 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

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.880 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB409C-005

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Engine Piston Set, Tracker Series HD TC96-103cid 10.5:1 CR

Part Number: WIS-K0210P2

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Engine Piston, HD Milwaukee 8 117cid 11.0:1 CR (X)

Part Number: WIS-40206PS

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Piston Set, KB Forged Piston - Twin Cam 96 Big Bore Dome -4.2cc (110ci) 2007 To Present Rod -7.667 w/Screamin' Eagle head

Part Number: UEM-KB661C010

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

Part Number: UEM-KB908C-020

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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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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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Piston and Ring Kit, Forged, 4.135 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB916C-010

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

Part Number: UEM-KB908C-040

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Piston and Ring Kit, Forged Aluminum, 3.937 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-K0211PS

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Piston and Ring Kit, Forged Aluminum, 4.000 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-4918PS

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Engine Piston, Tracker Series HD TC96-103cid 10.5:1 CR

Part Number: WIS-40210PS

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Estimated Ship Date: Dec 11, 2025 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 29, 2025 if ordered today

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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: Dec 29, 2025 if ordered today

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Piston and Ring Kit, Forged, 4.145 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB916C-020

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Piston and Ring Kit, Forged, 4.130 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB917C-005

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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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Piston and Ring Kit, Forged, 4.145 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB917C-020

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

Part Number: UEM-KB918C-005

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

Part Number: UEM-KB409C-020

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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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Estimated Ship Date: Dec 29, 2025 if ordered today

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