Engine Rotating Assemblies & Rebuild Kits

Namura Technologies Top-End Repair Kits NA-50080K

Repair Kit, Top End, 79.950mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50080K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-50080K2

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50080K2

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-50090K

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50090K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-50091-BK

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50091-BK

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-30015R

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30015R

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1988-2006 YFS200 BLASTER - NA-40003-6K

Repair Kit, Top End, 67.420mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003-6K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-40004-4K

TOP END REPAIR KIT

Part Number: NTI-NA-40004-4K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-40005-4K

Repair Kit, Top End, 83.950mm Bore, 9.50 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40005-4K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Namura Powersports Engine Rebuild Kits NA-40009-BHK

TOP END KIT HYPERDRYVE 94.96/+0.01 11.4:1 YAM

Part Number: NTI-NA-40009-BHK

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-40010-4K

Repair Kit, Top End, 100.670mm Bore, 9.20 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40010-4K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-40010-6K

TOP END REPAIR KIT

Part Number: NTI-NA-40010-6K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-40011-4K

Repair Kit, Top End, 85.450mm Bore, 10.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40011-4K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Namura Powersports Piston and Ring Kits 185-F4033

TOP END GASKET KIT, TOP END REPAIR KIT (FORGED PISTON)

Part Number: NTI-FX-40033K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000-1K

Repair Kit, Top End, 90.210mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-1K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000-3K

Repair Kit, Top End, 90.710mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-3K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-10002-6K

TOP END REPAIR KIT

Part Number: NTI-NA-10002-6K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1999-2008 TRX400EX SPORTRAX, 2009-2014 TRX400X, 1996-2004 XR400R - NA-10003-4K

Repair Kit, Top End, 85.970mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10003-4K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1993-2008 TRX300EX SPORTRAX, 2009 TRX300X - NA-10005-2K

Repair Kit, Top End, 74.45mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10005-2K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Eagle Specialty Products Engine Rotating Kits 334536236100

3.622" stroke, internal balance, billet 4340 steel, center-counterweighted Chevrolet Gen III "LS", no reluctor

Part Number: ESP-334536236100

Not Yet Reviewed

Estimated Ship Date: Aug 7, 2025 if ordered today

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Estimated Ship Date: Aug 7, 2025 if ordered today

Eagle Specialty Products Engine Rotating Kits 334540016100

4.000" stroke, internal balance, billet 4340 steel, center-counterweighted Chevrolet Gen III "LS", no reluctor

Part Number: ESP-334540016100

Not Yet Reviewed

Estimated Ship Date: Aug 7, 2025 if ordered today

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Estimated Ship Date: Aug 7, 2025 if ordered today

Quadboss Powersports Top End Engine Kits 563902

QB FULL TOP END SET

Part Number: QDB-56-3902

Not Yet Reviewed

Estimated Ship Date: Jul 25, 2025 if ordered today

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Estimated Ship Date: Jul 25, 2025 if ordered today

S&S Cycle 883 to 1200cc Hooligan Cylinder Kits 910-0687

S&S Cycle 86-19 Sportster Models 883 to 1200cc Conversion Kit - Wrinkle Black

Part Number: SSY-910-0687

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2004-2013 YFZ450, 2006-2007 YFZ450 BILL BALANCE EDITION, 2007-2008 YFZ450 SE - NA-40009-BK

Repair Kit, Top End, 94.960mm Bore, 11.40 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40009-BK

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

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Estimated Ship Date: Jul 31, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-10001-3K

TOP END REPAIR KIT

Part Number: NTI-NA-10001-3K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Namura Powersports Top End Engine Kits NX-10000-2K

TOP END REPAIR KIT

Part Number: NTI-NX-10000-2K

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today