Engine Rotating Assemblies & Rebuild Kits

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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Estimated Ship Date: Monday 7/14/2025

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

Part Number: HRI-CBK0091

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Estimated Ship Date: Monday 7/14/2025

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Repair Kit, Top End, 67.35mm Bore, 8.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20025-4K

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Estimated Ship Date: Monday 7/14/2025

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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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Estimated Ship Date: Monday 7/14/2025

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Repair Kit, Top End, 83.500mm Bore, 8.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40006-2K

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Estimated Ship Date: Monday 7/14/2025

TOP END REPAIR KIT

Part Number: NTI-NA-50024K

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Estimated Ship Date: Monday 7/14/2025

TOP END REPAIR KIT

Part Number: NTI-NA-50070-BK1

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Estimated Ship Date: Monday 7/14/2025

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Repair Kit, Top End, 79.960mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50080-BK

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Estimated Ship Date: Monday 7/14/2025

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10012-2K

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30008-2K

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Estimated Ship Date: Monday 7/14/2025

Repair Kit, Top End, 5.-950mm Bore, 8.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40000-BK1

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Estimated Ship Date: Monday 7/14/2025

Rebuild Kit, Complete Bottom End, for use on Honda®, CR250R, Kit

Part Number: HRI-CBK0031

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Estimated Ship Date: Monday 7/14/2025

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

Part Number: CLW-20104-K01

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Estimated Ship Date: Monday 7/14/2025

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Cylinder Kit, Forged Aluminum, 3.00mm Oversize Bore, Yamaha, Set

Part Number: CLW-21003-K02

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Estimated Ship Date: Monday 7/14/2025

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Top End Engine Kits CYL WORKS STD BORE KIT HI COMP CYL WORKS STD BORE KIT HI COMP 800 SPORSTMAN/RZR/RANGER

Part Number: CLW-60002-K02HC

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Estimated Ship Date: Monday 7/14/2025

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ROTATING ASSEMBLY KIT-BBC 572 4.250/4.625 -3cc F

Part Number: MAN-38572RHXX

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Estimated Ship Date: Monday 7/14/2025

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BBC 632 4.750 STROKE/4.600/+43cc

Part Number: MAN-29632RH

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Estimated Ship Date: Monday 7/14/2025

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ROTATING ASSEMBLY KIT-BBC 632 4.750/4.600 43cc D

Part Number: MAN-29632R

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ROATING ASSEMBLY

Part Number: SCA-1-91205BISTD

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Estimated Ship Date: Monday 7/14/2025

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ROTATING ASSEMBLY

Part Number: SCA-1-91205BI040

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Estimated Ship Date: Monday 7/14/2025

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ROTATING ASSEMBLY

Part Number: SCA-1-94410BE040

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Estimated Ship Date: Monday 7/14/2025

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Engine Rotating Assembly, Balanced, Forged Crank, Forged Pistons, H-Beam Rods, Ford, Modular V8, Kit

Part Number: SCA-1-47806BI

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Estimated Ship Date: Monday 7/14/2025

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Competition, Standard Weight Forged Rotating Assembly

Part Number: SCA-1-46017BE

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/14/2025

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Engine Rebuild Kits, Re-Ring, 4.030 in. Bore, 0.010 in. Rod Bearing Crank Undersize, 0.010 in. Main Bearing Crank Undersize, Gaskets, Chevrolet, Kit

Part Number: FEM-205-6284M311

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Estimated Ship Date: Monday 7/14/2025

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Engine Rebuild, Hypereutectic Dish, 4.030 in. Bore, .010 in. Crankshaft Undersize Rod, .020 in. Crankshaft Undersize Main, Chevy 383

Part Number: SUM-SBCKIT2-312

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