KB V-Twin Engines & Components

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

Part Number: UEM-KB910C-005

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Estimated Ship Date: Jun 8, 2026 if ordered today

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KB Forged Piston - Shovelhead Hemi Dome -42.30cc ROD -7.440

Part Number: UEM-KB658C030

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Estimated Ship Date: Jun 8, 2026 if ordered today

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Piston Set, Super Duty KB Forged Piston-/Twin Cam 120"

Part Number: UEM-KB715LCASTD

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Estimated Ship Date: Jun 8, 2026 if ordered today

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Piston Set, Super Duty KB Forged Piston - Twin Cam 96 Big Bore Dome -9.8cc (103ci) 2007 To Present Rod -7.667 w/Screamin' Eagle head

Part Number: UEM-KB660LCA020

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Estimated Ship Date: Jun 8, 2026 if ordered today

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Piston Set, KB Forged Coated Piston - Knuckle Pan Shovel Hemi Dome -52.7cc 74ci FL, FLH, FX 1941-79

Part Number: UEM-KB932C030

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Piston Set, Super Duty KB Forged Piston - Twin Cam 96 Big Bore Dome -3.6cc (103ci) 2007 To Present Rod -7.667

Part Number: UEM-KB909LCA005

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PISTON SET

Part Number: UEM-KB915C-060

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Piston Set, Super Duty 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-KB661LCA070

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

Part Number: UEM-KB264-030

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Estimated Ship Date: Jun 8, 2026 if ordered today

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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, 3.528 in. Bore, Cast Iron Rings, Harley-Davidson®, Kit

Part Number: UEM-KB305-030

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Estimated Ship Date: Jun 9, 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: Jun 9, 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: Jun 9, 2026 if ordered today

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

Part Number: UEM-KB918C-030

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

Part Number: UEM-KB408C-010

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Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB414-040

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Piston and Ring Kit, Hypereutectic, 3.885 in. Bore, Harley-Davidson®, 10.00:1 Compression Ratio, Kit

Part Number: UEM-KB409C-010

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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: May 11, 2026 if ordered today

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

Part Number: UEM-KB906C-030

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

Part Number: UEM-KB910C-020

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Piston and Ring Kit, Forged, 3.508 in. Bore, Harley-Davidson®, 9.00:1 Compression Ratio, Kit

Part Number: UEM-KB922C-010

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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-KB930CSTD

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Estimated Ship Date: Jun 9, 2026 if ordered today

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Piston Set, KB Forged Coated Piston - Evolution 80ci Dome -16.7cc 1984-99 Rod 7.7440

Part Number: UEM-KB921C040

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Estimated Ship Date: Jun 9, 2026 if ordered today

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