Engine Kits & Rotating Assemblies

TOP END KIT TWIN CYLINDER 90.42/STD POL

Part Number: NTI-NA-50093K

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Estimated Ship Date: Aug 14, 2025 if ordered today

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TOP END KIT TWIN CYLINDER 90.96/STD CAN

Part Number: NTI-NA-80010K

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Estimated Ship Date: Aug 14, 2025 if ordered today

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BOTTOM END KIT Honda

Part Number: HRI-CBK0023

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Estimated Ship Date: Jul 23, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-049

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Estimated Ship Date: Aug 7, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-018

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Estimated Ship Date: Aug 7, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-159

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Estimated Ship Date: Aug 7, 2025 if ordered today

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TOP END KIT TWIN CYLINDER 92.46/+1.50 CAN

Part Number: NTI-NA-80010-6K

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Estimated Ship Date: Aug 7, 2025 if ordered today

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Cyl. Head Serv. Kit, Yamaha®, Various 450'S, 2006-2020

Part Number: KPM-80-82060

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Cyl. Head Serv. Kit, Suzuki®, LT-Z/D-RZ 400, 2000-2019

Part Number: KPM-60-61790

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Racing Spring Kit, HT Steel, 0.430" Lift, Yamaha®, YXZ1000R, 2016-2023

Part Number: KPM-80-82950

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Racing Spring Kit, HT Steel, 0.450" Lift, Polaris®, Various 4 cyl., 2020-2023

Part Number: KPM-82-86065

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Cyl. Head Serv. Kit, Yamaha®, WR/ YZ 250F, 2001-2013

Part Number: KPM-80-82400

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Cyl. Head Serv. Kit, Yamaha®, WR / YZ 250F/FX, 2014-2018

Part Number: KPM-80-82410

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Racing Spring Kit, Titanium, 0.430" Lift, Yamaha®, YXZ1000R, 2016-2023

Part Number: KPM-80-82900

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Cyl. Head Serv. Kit, Honda®, CRF 450X, 2005-2017

Part Number: KPM-30-33450

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Cyl. Head Serv. Kit, Suzuki®, RM-Z450, 2008-2019

Part Number: KPM-60-61610

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Cyl. Head Serv. Kit, Suzuki®, LTR 450/ 450Z, 2006-2009

Part Number: KPM-60-61780

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Racing Spring Kit, HT Steel, 0.450" Lift, Polaris®, Various 4 cyl., 2020-2023

Part Number: KPM-82-86060

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Cyl. Head Serv. Kit, Honda®, CRF 250R, 2008-2009

Part Number: KPM-30-33440

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Cyl. Head Serv. Kit, Honda®, CRF 450R, 2002-2006

Part Number: KPM-30-33340

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Cyl. Head Serv. Kit, Suzuki®, RM-Z250, 2004-2006

Part Number: KPM-60-61800

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Cyl. Head Serv. Kit, Kawasaki®, KX250F, 2009-2016

Part Number: KPM-40-41520

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Engine Gasket Sets

Part Number: NAL-98403365

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Cyl. Head Serv. Kit, Honda®, CRF 450R, 2007-2008

Part Number: KPM-30-33350

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Cyl. Head Serv. Kit, Honda®, TRX 450R/ER, 2006-2014

Part Number: KPM-30-33360

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