Pistons, Rings, Wrist Pins, Bushings & More

Powersports Pistons, 2017-2022 Harley Milwaukee Eight 143 ci, 4.500" bore, 4.500" stroke, 12.0:1 CR, 1.080" CH

Part Number: CPD-M5152

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Engine Piston, HD Milwaukee 8 CVO 128cid 11.0:1 CR (X)

Part Number: WIS-40226PS

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Harley Davidson Milwaukee 8 128" 4.250x4.500 -2.5cc 2017-Present 11.7:1

Part Number: UEM-KB596LCA005

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Estimated Ship Date: Apr 30, 2026 if ordered today

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Engine Piston, HD Milwaukee 8 114cid 11.0:1 CR (X)

Part Number: WIS-40180PS

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Engine Piston, HD Milwaukee 8 CVO 121cid 11.0:1 CR (X)

Part Number: WIS-40225PS

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Powersports Pistons, 2017-2022 Harley Milwaukee Eight 131 ci, 4.310" bore, 4.500" stroke, 12.0:1 CR, 1.080" CH

Part Number: CPD-M5122

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Piston Set, Super Duty KB Forged Coated Anodized Piston - Big Bore 120" Milwaukee 8 114" and 117" bored to 4.125"

Part Number: UEM-KB542LCASTD

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Piston Set, Super Duty KB Forged Coated Anodized Piston - Big Bore 120" Milwaukee 8 114" and 117" bored to 4.125"

Part Number: UEM-KB542LCA010

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Piston Set, KB Forged Coated Anodized Piston - Big Bore 120" Milwaukee 8 114" and 117" bored to 4.125"

Part Number: UEM-KB542LCA020

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Estimated Ship Date: Apr 30, 2026 if ordered today

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Piston Set, Super Duty KB Forged Coated Anodized Piston - Big Bore 120" Milwaukee 8 114" and 117" bored to 4.125"

Part Number: UEM-KB542LCA030

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Piston Set, Super Duty KB Forged Coated Anodized Piston - Big Bore 120" Milwaukee 8 114" and 117" bored to 4.125"

Part Number: UEM-KB542LCA040

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Harley Davidson Milwaukee 8 128" 4.250x4.500 -2.5cc 2017-Present 11.7:1

Part Number: UEM-KB596LCASTD

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Powersports Pistons, 2017-2022 Harley Milwaukee Eight 107 cu in, 3.937 bore, 4.375 stroke, 11.0:1 C/R, 1.143 C/H, 8.7 dome cc’s

Part Number: CPD-BHM8107-9

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Powersports Pistons, 2017-2022 Harley Milwaukee Eight 143 ci, 4.500" bore, 4.500" stroke, 11.0:1 CR, 1.080" CH

Part Number: CPD-M5150

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Estimated Ship Date: Apr 6, 2026 if ordered today

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2017-2022 Harley Milwaukee Eight 124 ci, 4.250" bore, 4.375" stroke, 11:1 CR 1.143" CH -4 dome cc

Part Number: CPD-M5100-SET

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Estimated Ship Date: Tomorrow if ordered today

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2017-2022 Harley Milwaukee Eight 124 ci, 4.250" bore, 4.375" stroke, 11.5:1 CR 1.143" CH 1 dome cc

Part Number: CPD-M5101-SET

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2017-2022 Harley Milwaukee Eight 128 ci, 4.250" bore, 4.500" stroke, 11:1 CR 1.080" CH -7 dome cc

Part Number: CPD-M5110-SET

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2017-2022 Harley Milwaukee Eight 131 ci, 4.310" bore, 4.500" stroke, 12.0:1 CR, 1.080" CH

Part Number: CPD-M5122-SET

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Estimated Ship Date: Tomorrow if ordered today

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2017-2022 Harley Milwaukee Eight 143 ci, 4.500" bore, 4.500" stroke, 12.0:1 CR, 1.080" CH

Part Number: CPD-M5152-SET

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Estimated Ship Date: Tomorrow if ordered today

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2017-2022 Harley Milwaukee Eight 114 cu in, 4.016 bore, 4.500 stroke, 11.0:1 C/R, 1.080 C/H, 3 dome cc’s

Part Number: CPD-BHM81143SET

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2017-2022 Harley Milwaukee Eight 117 cu in, 4.125 bore, 4.375 stroke, 10.75:1 C/R, 1.143 C/H, -1.3 dome cc’s

Part Number: CPD-BHM8117FTSET

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Powersports Pistons, 2017-2020 Harley Milwaukee Eight 139 ci, 4.500" bore, 4.375" stroke, 11.25:1 CR 1.143" CH

Part Number: CPD-M5095

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Piston Set, Super Duty KB Forged Coated Anodized Piston - Big Bore 124" Milwaukee 8 107" with 4.250" cylinders and 4.375" stroke

Part Number: UEM-KB576LCASTD

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Harley Davidson Milwaukee 8 124" 4.250x4.375 -6.5cc 2017-Present 11.8:1

Part Number: UEM-KB595LCASTD

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Powersports Pistons, 2017-2022 Harley Milwaukee Eight 107 cu in, 3.937 bore, 4.375 stroke, 10.5:1 C/R, 1.143 C/H, 4 dome cc’s

Part Number: CPD-BHM8107-4

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Estimated Ship Date: Apr 6, 2026 if ordered today

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