1991 Engine Kits & Rotating Assemblies

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30025-4K

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-30080K

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

• Drop Ship
• Special Order

Engine Rebuild Kit, Economy Remain Kit, Standard Size, 4.00 in. Bore, Rings, Main/Rod Bearings, Gaskets, Chevy, GMC, 5.7L Kit

Part Number: EGN-RMC350B-000

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 65.94mm Bore, High Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40002K

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 66.97mm Bore, 9.20 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30000-4K

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

• Drop Ship
• Special Order

KIT-SBC 383 3.750/4.030

Part Number: MAN-290030H

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: HRI-CBK0045

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BOTTOM END KIT Kawasaki SUZ

Part Number: HRI-CBK0049

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 53.96mm Bore, 8.30 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30000-CK

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-40019K

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

• Drop Ship
• Special Order

Engine Rebuild Kits, Powersports Garage Buddy, Wiseco Pro-Lite Piston Series, 1.00mm Oversize, Cylinder, Crankshaft, Gaskets, Bearings, Yamaha, Kit

Part Number: WIS-PWR100-650

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30025-2K

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-20001-6K

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

• Drop Ship
• Special Order

TOP END GASKET KIT, TOP END REPAIR KIT

Part Number: NTI-NX-30050K

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 80.95mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50001-4K

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-30080-BK

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

• Drop Ship
• Special Order

Rebuild Kit, Complete Bottom End, Yamaha, YFS200 Blaster, Kit

Part Number: HRI-CBK0041

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Rebuild Kits, Powersports Garage Buddy, Wiseco Pro-Lite Piston Series, Stock Size, Cylinder, Crankshaft, Gaskets, Bearings, Yamaha, Kit

Part Number: WIS-PWR100-640

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

KIT-SBC 383 3.750/4.030

Part Number: MAN-290030R

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

ROTATING ASSEMBLY

Part Number: MAN-290140RH

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-30000-6K

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-50001-2K

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-203

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-40002-2K

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 66.94mm Bore, High Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40002-4K

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

• Drop Ship
• Special Order