Pistons, Rings, Wrist Pins, Bushings & More

Piston and Ring Kit, Forged, 4.030 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB914C-030

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Estimated Ship Date: Apr 1, 2026 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: Apr 1, 2026 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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Estimated Ship Date: Apr 1, 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: Apr 1, 2026 if ordered today

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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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Estimated Ship Date: Apr 1, 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: Apr 1, 2026 if ordered today

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Piston and Ring Kit, Forged, 3.895 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB907C-020

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Estimated Ship Date: Apr 1, 2026 if ordered today

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Piston and Ring Kit, Forged, 3.905 in. Bore, Harley-Davidson®, 9.50:1 Compression Ratio, Kit

Part Number: UEM-KB907C-030

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Estimated Ship Date: Apr 1, 2026 if ordered today

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Piston and Ring Kit, Forged, 3.915 in. Bore, Harley-Davidson®, 9.25:1 Compression Ratio, Kit

Part Number: UEM-KB904C-040

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Estimated Ship Date: Apr 1, 2026 if ordered today

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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: Apr 1, 2026 if ordered today

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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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Estimated Ship Date: Apr 1, 2026 if ordered today

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

Part Number: UEM-KB924C-010

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Estimated Ship Date: Apr 1, 2026 if ordered today

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

Part Number: UEM-KB925C-040

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Estimated Ship Date: Apr 1, 2026 if ordered today

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Piston Set, KB Forged Coated Piston - Shovelhead Hemi Dome -58.2cc 88-98ci 1948-84 ROD -7.440

Part Number: UEM-KB930C030

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Estimated Ship Date: Apr 1, 2026 if ordered today

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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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Estimated Ship Date: Apr 1, 2026 if ordered today

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Piston and Ring Kit, Forged, 3.528 in. Bore, Harley-Davidson®, 9.00:1 Compression Ratio, Kit

Part Number: UEM-KB922C-030

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Estimated Ship Date: Apr 1, 2026 if ordered today

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

Part Number: UEM-KB922C-STD

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Estimated Ship Date: Apr 1, 2026 if ordered today

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

Part Number: UEM-KB923C-STD

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Estimated Ship Date: Apr 1, 2026 if ordered today

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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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Estimated Ship Date: Apr 1, 2026 if ordered today

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Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.661 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: MAH-41862CP

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Engine Piston Ring Set, Engine Piston Ring Set

Part Number: MAH-42263

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Engine Piston Ring Set, Engine Piston Ring Set

Part Number: MAH-42306CP

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Piston Wrist Pin, 0.866 in. Diameter, 2.500 in. Length, TP-1 Tool Steel, 0.250 in. Wall Thickness, Each

Part Number: TPD-CA8662500250

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Estimated Ship Date: Mar 26, 2026 if ordered today

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Powersports Piston, Forged 4032 Alloy, Coated, 3.467 in. Bore, 1.450 in. Comp. Ht, Hemi Dome, -47.6cc, 0.030 in. Oversize, 0.791 in. Pin, Harley®, Set

Part Number: UEM-KB931C030

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Estimated Ship Date: Apr 2, 2026 if ordered today

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PISTON KIT

Part Number: UEM-KB935C-020

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Estimated Ship Date: Apr 2, 2026 if ordered today

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