Availability
Engine Rotating Assemblies & Rebuild Kits
TOP END REPAIR KIT
Part Number: NTI-NX-40009-CK
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
TOP END REPAIR KIT
Part Number: NTI-NX-40026-CK
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
TOP END REPAIR KIT
Part Number: NTI-NA-20065-2K
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
TOP END KIT FR WITH CAM CHAIN
Part Number: VPX-VTKTC22915A
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Repair Kit, Top End, 79.96mm Bore, 9.90 to 1 Compression Ratio, Arctic Cat, Kawasaki, Kit
Part Number: NTI-NA-20065K
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
TOP END GASKET KIT, TOP END REPAIR KIT (FORGED PISTON)
Part Number: NTI-FX-40033-BK
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
TOP END REPAIR KIT
Part Number: NTI-NX-70007K
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Repair Kit, Top End, 89.98mm Bore, 9.90 to 1 Compression Ratio, for use on Honda®, Kit
Part Number: NTI-NA-10043-2K
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Piston, TOP END REPAIR KIT
Part Number: NTI-NA-20040-2K
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
TOP END REPAIR KIT
Part Number: NTI-NA-10043-3K
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
TOP END REPAIR KIT
Part Number: NTI-NX-30024-BK1
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
BOTTOM END KIT Polaris
Part Number: HRI-HR00123
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Rebuild Kit, Complete Bottom End, Suzuki, RM85, Kit
Part Number: HRI-CBK0103
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Rebuild Kit, Complete Bottom End, Yamaha, YFZ 350 Banshee, Kit
Part Number: HRI-CBK0039
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Rebuild Kit, Complete Bottom End, Yamaha, YFM700, YXR700F, Kit
Part Number: HRI-CBK0115
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 58x, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R5836L8987
Not Yet Reviewed
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Pro LS Rotating Assembly, 370 Cid., 4.030 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-R58360302
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 58x, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R5836L8983
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
VERTEX TOP END PISTON KIT
Part Number: VPX-VTK22863B-1
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Repair Kit, Top End, 47.500mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit
Part Number: NTI-NX-40008-2K
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Rebuild Kit, Complete Bottom End, KTM, 65 SX, 65 XC, Kit
Part Number: HRI-CBK0073
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Pro LS 4340 Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 24X, 6.098 rod,12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings
Part Number: SUM-R243600512
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
VERTEX PISTON KT HC FORGED
Part Number: VPX-24028A
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Cylinder Kit, Forged Piston, Standard Bore, for use on Honda®, 10.50 to 1 Compression Ratio, Kit
Part Number: CLW-10003-K01
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
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