Engine Kits & Rotating Assemblies

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: Jan 5, 2026 if ordered today

• Special Order

Cylinder Assembly

Part Number: RRA-7-05065

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Special Order

Vehicle Maintenance Kit, Complete Engine Maintenance, OE 99969-6533A, Kawasaki, Kit

Part Number: RRA-7-09736

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Special Order

Vehicle Maintenance Kit, Complete Engine Maintenance, OE 99969-6535A, Kawasaki, Kit

Part Number: RRA-7-09737

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Special Order

Vehicle Maintenance Kit, Complete Engine Maintenance, OE 99969-6525, Kawasaki, Kit

Part Number: RRA-7-09738

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Special Order

Vehicle Maintenance Kit, Complete Engine Maintenance, OE 32 789 01-S, Kohler, Kit

Part Number: RRA-7-09743

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Special Order

Vehicle Maintenance Kit, Complete Engine Maintenance, OE 20 789 01-S, Kohler, Kit

Part Number: RRA-7-09749

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Special Order

Repair Kit, Top End, 54.500mm Bore, 9.00 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20001K

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

Repair Kit, Top End, 53.960mm Bore, 10.80 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40001-CK

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-40015K

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• Special Order

Repair Kit, Top End, 47.46mm Bore, 8.40 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10081-CK

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• Special Order

MASTER KIT

Part Number: MAH-MGX1482

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

• Special Order

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: Dec 23, 2025 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30008-6K

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

• Special Order

Repair Kit, Top End, 47.44mm Bore, 8.20 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40085K

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

• Special Order

Cap-Drive

Part Number: PWD-694482

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50006K

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-10000-6K

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Special Order

Repair Kit, Top End, 53.96mm Bore, Suzuki, Kit

Part Number: NTI-NX-30000K

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• 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: Jan 9, 2026 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50014-4K

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70020-CK

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70020-BK

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

Repair Kit, Top End, 44.450mm Bore, 8.40 to 1 Compression Ratio, Kawasaki, Suzuki, Kit

Part Number: NTI-NX-20065-BK

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-30080-CK

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order