POLARIS Engine Kits & Rotating Assemblies

BOTTOM END KIT Polaris

Part Number: HRI-HR00111

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BOTTOM END KIT Polaris

Part Number: HRI-HR00119

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00048

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Drop Ship
• Free Shipping
• 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: Mar 27, 2026 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50015-4K

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50011-4K

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

• Free Shipping
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50011K

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

• Free Shipping
• Special Order

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK24430B

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

• Free Shipping
• Special Order

Repair Kit, Top End, 75.47mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-4K

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

• Special Order

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50081-BK

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

• Free Shipping
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50014-4K

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

• Special Order

VERTEX PISTON KIT-FORGED

Part Number: VPX-24266B

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

• Free Shipping
• Special Order

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 10.20 to 1 Compression, Polaris, Kit

Part Number: VPX-WR00060

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

• Free Shipping
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012-4K

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Free Shipping
• Special Order

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50091K

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

• Free Shipping
• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00046

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

• Free Shipping
• Special Order

Complete Engine Rebuild Kit, 1.00mm Over Bore, Stock Stroke, 10.20 to 1 Compression, Polaris, Kit

Part Number: VPX-WR00065

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

• Free Shipping
• Special Order

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK24397B

Not Yet Reviewed

• Free Shipping
• Special Order

Top End Engine Kits CYL WORKS BIG BORE KIT POLARIS CYL WORKS BIG BORE KIT POLARIS RZR 800

Part Number: CLW-61002-K01

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

• Free Shipping
• 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: Apr 6, 2026 if ordered today

• Special Order

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50091-CK

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

• Free Shipping
• Special Order

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50091-BK

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

• Free Shipping
• Special Order

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50080K1

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

• Free Shipping
• Special Order

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50080K2

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

• Free Shipping
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50011-2K

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

• Free Shipping
• Special Order