Engine Kits & Rotating Assemblies

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, 4.000 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, 4.060 in. Bore, .030 in. Rod, .030 in. Main, Chevy, Kit

Part Number: SUM-RRKIT1-633

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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

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

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30008K

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Cap-Drive

Part Number: PWD-694482

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

• Drop Ship
• Special Order

Case-Gear Reduction

Part Number: PWD-792746

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

• Drop Ship
• Special Order

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22813CD

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2025 if ordered today

• Drop Ship
• Special Order

QB FULL TOP END SET

Part Number: QDB-56-3978

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2025 if ordered today

• Drop Ship
• Special Order

QB FULL TOP END SET

Part Number: QDB-56-3960

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2025 if ordered today

• Drop Ship
• Special Order

QB FULL TOP END SET

Part Number: QDB-56-3963

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 46.940mm Bore, 8.20 to 1 Compression Ratio, KTM, Kit

Part Number: NTI-NX-70004K

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2025 if ordered today

• Drop Ship
• 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: Jun 9, 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 9, 2025 if ordered today

• Drop Ship
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-30004K

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2025 if ordered today

• Drop Ship
• Special Order

QB FULL TOP END SET

Part Number: QDB-56-3949

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2025 if ordered today

• Drop Ship
• Special Order

QB FULL TOP END SET

Part Number: QDB-56-4293

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Jun 10, 2025 if ordered today

• Drop Ship
• 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: Jun 10, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 68.47mm Bore, 9.00 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30001K

Not Yet Reviewed

Estimated Ship Date: Jun 10, 2025 if ordered today

• Drop Ship
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30008-6K

Not Yet Reviewed

Estimated Ship Date: Jun 10, 2025 if ordered today

• Drop Ship
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30025-2K

Not Yet Reviewed

Estimated Ship Date: Jun 10, 2025 if ordered today

• Drop Ship
• Special Order