Engine Rotating Assemblies & Rebuild Kits

Pro LS 4340 Rotating Assembly, 410 Cid., 4.040 bore, 4.000 stroke, 58x, 6.125 rod, 8cc dish, 11.2:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400408

Not Yet Reviewed

Estimated Ship Date: Today

Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, 5.7L, Kit

Part Number: ESP-13554L060

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

PRO STREET ASSEMBLY CHRYSLER 360

Part Number: ESP-20404030

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

CHEVY 400 ROTATING ASSEMBLY

Part Number: ESP-35610000

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

PRO STREET ASSEMBLY CHEV 400, 350 MAINS

Part Number: ESP-62664060

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

CHEVY BB ROTATING ASSEMBLY

Part Number: ESP-11114060

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

ROTATING ASSEMBLIE

Part Number: ESP-12136040

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

HD IN-FRAME KITS

Part Number: CLE-45955241STD

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

CASE-GEAR REDUCTION

Part Number: PWD-555721

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 66.420mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003-2K

Not Yet Reviewed

Estimated Ship Date: Aug 12, 2025 if ordered today

• Drop Ship
• Special Order

TOP END KIT HYPERDRYVE 94.96/+0.01 11.4:1 YAM

Part Number: NTI-NA-40009-BHK

Not Yet Reviewed

Estimated Ship Date: Aug 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 84.450mm Bore, 10.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40011K

Not Yet Reviewed

Estimated Ship Date: Aug 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-40019-4K

Not Yet Reviewed

Estimated Ship Date: Aug 12, 2025 if ordered today

• Drop Ship
• Special Order

TOP END KIT HYPERDRYVE 103.97/+1.00 YAM

Part Number: NTI-NA-40025-4K

Not Yet Reviewed

Estimated Ship Date: Aug 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END KIT HYPERDRYVE 102.97/STD YAM

Part Number: NTI-NA-40025K

Not Yet Reviewed

Estimated Ship Date: Aug 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-40080K

Not Yet Reviewed

Estimated Ship Date: Aug 12, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 92.47mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004-2K

Not Yet Reviewed

Estimated Ship Date: Aug 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012-2K

Not Yet Reviewed

Estimated Ship Date: Aug 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019-2K

Not Yet Reviewed

Estimated Ship Date: Aug 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-50024-6K

Not Yet Reviewed

Estimated Ship Date: Aug 12, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-50025-4K

Not Yet Reviewed

Estimated Ship Date: Aug 12, 2025 if ordered today

• Drop Ship
• Special Order

Piston, NAMURA PISTON KIT

Part Number: NTI-NA-50081

Not Yet Reviewed

Estimated Ship Date: Aug 12, 2025 if ordered today

• Drop Ship
• Special Order

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50081K

Not Yet Reviewed

Estimated Ship Date: Aug 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END KIT TWIN CYLINDER 90.42/STD POL

Part Number: NTI-NA-50093K

Not Yet Reviewed

Estimated Ship Date: Aug 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END KIT TWIN CYLINDER 90.96/STD CAN

Part Number: NTI-NA-80010K

Not Yet Reviewed

Estimated Ship Date: Aug 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order