Engine Kits & Rotating Assemblies

S&S Cycle Royal Enfield 650 Twins 865cc Big Bore Kit

Part Number: SSY-920-0145

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Estimated Ship Date: Aug 18, 2025 if ordered today

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ENGINE PERFORMANCE, 99-06 BIG TWIN 124" 4-1/8" BORE, CYLINDER SET 4-1/8" BORE 124"

Part Number: SSY-910-0255

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Estimated Ship Date: Aug 18, 2025 if ordered today

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ENGINE PERFORMANCE, 17-18 M8 MODELS, BIG BORE CYLINDER SET BLK

Part Number: SSY-910-0682

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Estimated Ship Date: Aug 18, 2025 if ordered today

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S&S Cycle 86-21 Sportster Models 1250cc Conversion Kit - Silver

Part Number: SSY-910-0689

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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S&S Cycle 86-21 Sportster Models High Compression 1250cc Conversion Kit - Silver

Part Number: SSY-910-0690

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Estimated Ship Date: Aug 18, 2025 if ordered today

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S&S Cycle 86-21 Sportster Models 1250cc Conversion Kit - Wrinkle Black

Part Number: SSY-910-0691

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Estimated Ship Date: Aug 18, 2025 if ordered today

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S&S Cycle 86-21 Sportster Models High Compression 1250cc Conversion Kit - Wrinkle Black

Part Number: SSY-910-0692

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Estimated Ship Date: Aug 18, 2025 if ordered today

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MASTER ENGINE KIT

Part Number: FEM-MKP7028-000

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Estimated Ship Date: Tomorrow if ordered today

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ENGINE OVERHAUL KIT

Part Number: FEM-CSMHP775-631

Not Yet Reviewed

Estimated Ship Date: Aug 11, 2025 if ordered today

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REBUILD KIT

Part Number: FEM-MK660A632

Not Yet Reviewed

Estimated Ship Date: Aug 11, 2025 if ordered today

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MSTR. KIT W/PSTN. PRM. RINGS

Part Number: FEM-MKP6086C-000

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Estimated Ship Date: Tomorrow if ordered today

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MSTR. KIT W/PSTN. ECO. RINGS

Part Number: FEM-MKP1086C-000

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Estimated Ship Date: Tomorrow if ordered today

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REBUILD KIT

Part Number: FEM-MKF6151A-000

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Estimated Ship Date: Tomorrow if ordered today

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OVERHAUL KIT

Part Number: CLE-4681021

Not Yet Reviewed

Estimated Ship Date: Sep 10, 2025 if ordered today

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Engine Kit, Flat-Top Piston/Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, 355, Kit

Part Number: SES-3483004000

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Cannot be shipped Internationally if ordered today

• Restricted
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Engine Kit, Dish-Top Piston/Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, 355, Kit

Part Number: SES-3483005000

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Cannot be shipped Internationally if ordered today

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Engine Kit, Crank, Flat-Top Piston/Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, 350, Kit

Part Number: SES-3480006050

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Cannot be shipped Internationally if ordered today

• Oversize
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Rebuild Kit, Complete Bottom End, Suzuki, Kit

Part Number: HRI-CBK0165

Not Yet Reviewed

Estimated Ship Date: Aug 4, 2025 if ordered today

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Top End Engine Kit, CYL WORKS BIG BORE KIT HUSQVAR

Part Number: CLW-51006-K01

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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CYLINDER, STANDARD BORE KIT HI COMP POLARIS

Part Number: CLW-60004-K01HC

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Estimated Ship Date: Aug 18, 2025 if ordered today

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BIG BORE KIT

Part Number: CLW-61002-K02

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Estimated Ship Date: Aug 18, 2025 if ordered today

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CYL WORKS BIG BORE KIT YZ450F

Part Number: CLW-21005-K02

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Polaris, Kit

Part Number: HRI-CBK0224

Not Yet Reviewed

Estimated Ship Date: Aug 8, 2025 if ordered today

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IN-FRAME KIT

Part Number: CLE-4095006

Not Yet Reviewed

Estimated Ship Date: Sep 10, 2025 if ordered today

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AG OVERHAUL KIT

Part Number: CLE-4271047

Not Yet Reviewed

Estimated Ship Date: Sep 10, 2025 if ordered today

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