1990 Engine Kits & Rotating Assemblies

ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 -3cc F

Part Number: MAN-38615HX

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

KIT-BBC 615 4.625/4.600 43cc DOME

Part Number: MAN-39615

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 43cc D

Part Number: MAN-39615H

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 43cc D

Part Number: MAN-39615HX

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, for use on Honda®, Kit

Part Number: HRI-CBK0045

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, Suzuki, LT250R Quadracer, Kit

Part Number: HRI-CBK0065

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, Yamaha, YFM350 Raptor, YFM350X Warrior, Kit

Part Number: HRI-CBK0082

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 76.45mm Bore, 8.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20000-2K

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 76.95mm Bore, 8.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20000-4K

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 75.95mm Bore, 8.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20000K

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-20001-4K

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-40007K

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 53.95mm Bore, 8.30 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30000-BK

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-40005-2K

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-30000-4K

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-30000-6K

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: NTI-NA-40002K

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 66.920mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003-4K

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 65.920mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003K

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Drop Ship
• Special Order

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, for use on Honda®, Kit

Part Number: VPX-WR101-130

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

S&S Cycle 84-99 BT 84-99 BT 4 1/8in Bore Cylinder Kit For S&S V111 Engine - Natural

Part Number: SSY-910-0219

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Drop Ship
• Free Shipping
• $10 Summit Bucks
• Special Order

BOTTOM END KIT Kawasaki SUZ

Part Number: HRI-CBK0049

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NA-30080-4K

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 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: Mar 2, 2026 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 73.46mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50000-6K

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Drop Ship
• Special Order