1990 Engine Kits & Rotating Assemblies Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

Manley Rotating Assemblies 38572RHXX

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

Part Number: MAN-38572RHXX

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1990-1993 TRAIL BOSS 350L 4X4, TRAIL BOSS 350L 2X4, 1993 BIG BOSS 350L 6X6 - NA-50001-6K

Repair Kit, Top End, 81.45mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50001-6K

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Hot Rods Complete Bottom End Rebuild Kits CBK0065

Rebuild Kit, Complete Bottom End, Suzuki, LT250R Quadracer, Kit

Part Number: HRI-CBK0065

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Hot Rods Complete Bottom End Rebuild Kits CBK0082

Rebuild Kit, Complete Bottom End, Yamaha, YFM350 Raptor, YFM350X Warrior, Kit

Part Number: HRI-CBK0082

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-50000-4K

Repair Kit, Top End, 72.96mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50000-4K

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-40005-2K

Repair Kit, Top End, 83.450mm Bore, 9.50 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40005-2K

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1987-1993 LT230E QUADRUNNER, 1985-1986 LT230GE, 1985-1988 LT230S QUADSPORT - NA-30000-6K

Repair Kit, Top End, 67.47mm Bore, 9.20 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30000-6K

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1988-2002 KLF220 BAYOU - NA-20001-4K

TOP END REPAIR KIT

Part Number: NTI-NA-20001-4K

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Vertex Complete Engine Rebuild Kits for 1988-2006 YFS200 BLASTER - WR101-155

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, Yamaha, Kit

Part Number: VPX-WR101-155

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Vertex Complete Engine Rebuild Kits for 1987-2006 YFZ350 BANSHEE - WR101-206

Complete Engine Rebuild Kit, 1.50mm Over Bore, Stock Stroke, Yamaha, Kit

Part Number: VPX-WR101-206

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Vertex Complete Engine Rebuild Kits for 1987-2006 YFZ350 BANSHEE - WR101-077

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, Yamaha, Kit

Part Number: VPX-WR101-077

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-50000-6K

Repair Kit, Top End, 73.46mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50000-6K

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1987-1993 LT230E QUADRUNNER, 1985-1986 LT230GE, 1985-1988 LT230S QUADSPORT - NA-30000-2K

Repair Kit, Top End, 66.47mm Bore, 9.20 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30000-2K

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Manley Rotating Assemblies 39615

KIT-BBC 615 4.625/4.600 43cc DOME

Part Number: MAN-39615

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Eagle Pro Street Rotating Assemblies 20403080