Engine Kits & Rotating Assemblies

Repair Kit, Top End, 65.97mm Bore, 9.20 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30000K

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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

Part Number: NTI-NA-40006-2K

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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

Part Number: NTI-NA-40002K

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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

Part Number: NTI-NX-40000-BK1

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30025-6K

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Engine Re-Ring, 4.000 in. Bore, .030 in. Rod, .030 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-033

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Engine Re-Ring, 4.040 in. Bore, .030 in. Rod, .030 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-423

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Engine Re-Ring, 4.040 in. Bore, .030 in. Rod, .010 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-431

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Engine Re-Ring, 4.040 in. Bore, .030 in. Rod, .030 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-433

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Engine Re-Ring, 4.060 in. Bore, .030 in. Rod, .030 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-633

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30008K

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20040K

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 67.420mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003-6K

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 84.44mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-6K

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 75.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-6K

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 53.940mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000K1

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 66.340mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10027K

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-10001-3K

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 74.950mm Bore, 9.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10002-4K

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-10002-6K

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 74.45mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10005-2K

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-20001K

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-10025K

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 68.95mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027-2K

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 68.45mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027K

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2025 if ordered today

• Drop Ship
• Special Order