1999 Engine Kits & Rotating Assemblies

Pro LS Rotating Assembly, 371 Cid., 4.040 bore, 3.622 stroke, 24X, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L0402

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 24X, 6.098 rod, 7cc dish, 9.8:1 @ 61cc, 9.4:1 @ 65cc, File-Fit ring, H Bearings

Part Number: SUM-R24368107

Not Yet Reviewed

Estimated Ship Date: Today

Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 24X, 6.098 rod, 2cc dome, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit ring, H Bearings

Part Number: SUM-R24368202

Not Yet Reviewed

Estimated Ship Date: Today

Pro LS 4340 Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 24X, 6.125 rod,12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit ring, H Bearings

Part Number: SUM-R2436L00012

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: VPX-WR101-124

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-126

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: VPX-WR101-155

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: VPX-WR00032

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Complete Engine Rebuild Kit, 1.50mm Over Bore, Stock Stroke, Yamaha, Kit

Part Number: VPX-WR101-206

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BOTTOM END KIT

Part Number: HRI-CBK0013

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, Yamaha, YFZ 350 Banshee, Kit

Part Number: HRI-CBK0039

Not Yet Reviewed

Estimated Ship Date: Mar 3, 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: Mar 3, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: HRI-CBK0080

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-10000-2K

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-10000-4K

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 53.960mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000-CK

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 66.340mm Bore, 8.70 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10025K

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

• Drop Ship
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-10051-2K

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

• Drop Ship
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-10070-8K

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 66.350mm Bore, 8.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20025K

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 53.96mm Bore, Suzuki, Kit

Part Number: NTI-NX-30000K

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-40005-4K

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-40025-BK

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 85.470mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10003-2K

Not Yet Reviewed

Estimated Ship Date: Mar 12, 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: Mar 12, 2026 if ordered today

• Drop Ship
• Special Order