Engine Rotating Assemblies & Rebuild Kits

BOTTOM END KIT Yamaha

Part Number: HRI-CBK0079

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, Kawasaki, KX125, Kit

Part Number: HRI-CBK0091

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

• Free Shipping

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-083

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, Suzuki, Kit

Part Number: VPX-WR101-065

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-015

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-045

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-SBC 434 4.000/4.125

Part Number: MAN-290300H

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Gasket Kit HOT ROD COMP BOTTOM END KIT BA HOT ROD COMP BOTTOM END KIT BA NSHEE 350

Part Number: HRI-CBK0044

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Rebuild, Hypereutectic Flat, 4.000 in. Bore, .010 in. Rod, .010 in. Main, Chevy, 5.7L, Kit

Part Number: FEM-MKP6152A-011

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

• Free Shipping

Pro LS Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 58x, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58360402

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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: May 18, 2026 if ordered today

• Drop Ship
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-30004-CK

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

• Drop Ship
• Special Order

ROTATING ASSEMBLY KIT-SBC 434 4.000/4.125

Part Number: MAN-290300RH

Not Yet Reviewed

Estimated Ship Date: Jun 10, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-047

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, KTM, Kit

Part Number: VPX-WR101-120

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BOTTOM END KIT Polaris

Part Number: HRI-HR00109

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 73.95mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10005K

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

• Drop Ship
• Special Order

Engine Rebuild, Hypereutectic Dish, 4.030 in. Bore, Standard Rod, Standard Main, Chevy, 350 Kit

Part Number: FEM-BK6087N300

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

• Free Shipping

Pro LS 4340 Rotating Assembly, 378 Cid., 4.080 bore, 3.622 stroke, 24X, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L08012

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-026

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, Yamaha, YZ250F, Kit

Part Number: HRI-CBK0087

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30008-2K

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

BOTTOM END KIT Polaris

Part Number: HRI-HR00118

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• Free Shipping
• 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: May 19, 2026 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-40005-4K

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

• Drop Ship
• Special Order