2004 Engine Kits & Rotating Assemblies

Repair Kit, Top End, 47.950mm Bore, 9.50 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30085-CK

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Big Bore Cylinder Kit, Forged Piston, 96mm Bore, for use on Honda®, Motorcycle, Kit

Part Number: CLW-10002-K01

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Cylinder Kit, Forged Aluminum, Standard Bore, Yamaha, Set

Part Number: CLW-20001-K01

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, for use on Honda®, CRF250R, Kit

Part Number: HRI-CBK0119

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Estimated Ship Date: Apr 10, 2026 if ordered today

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BOTTOM END KIT

Part Number: HRI-CBK0052

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Repair Kit, Top End, 40.000mm Bore, 6.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40005K

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Repair Kit, Top End, 99.150mm Bore, 10.80 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50005K

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Estimated Ship Date: Apr 20, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-40019-2K

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Repair Kit, Top End, 72.46mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50000-2K

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Repair Kit, Top End, 81.96mm Bore, 9.00 to 1 Compression Ratio, Arctic Cat, Suzuki, Kit

Part Number: NTI-NA-30010K

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50006-2K

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Standard Bore Cylinder Kit, Forged Piston, 77mm Bore, Kawasaki, Suzuki, Motorcycle, Kit

Part Number: CLW-30001-K01

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Repair Kit, Top End, 91.96mm Bore, 9.20 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008K

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TOP END REPAIR KIT

Part Number: NTI-NA-30080-2K

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30008-2K

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Repair Kit, Top End, 93.47mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004-6K

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Rebuild Kit, Complete Bottom End, Kawasaki, KX125, Kit

Part Number: HRI-CBK0091

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TOP END REPAIR KIT

Part Number: NTI-NA-50070-BK1

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Repair Kit, Top End, 82.950mm Bore, 9.50 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40005K

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Rebuild Kit, Complete Bottom End, Kawasaki, Kit

Part Number: HRI-CBK0053

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Cyl. Head Serv. Kit, Kawasaki®, KX250F, 2004-2006

Part Number: KPM-40-41500

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Pro LS 4340 Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 24X, 6.098 rod, 12cc dish, 9.8:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R243604012

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Pro LS Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 58x, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58360402

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Pro LS 4340 Rotating Assembly, 359 Cid., 3.780 bore, 4.000 stroke, 24X, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R24407805

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Pro LS Rotating Assembly, 326 Cid., 3.785 bore, Standard 3.622 stroke, 58x, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R5836L7857

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