Availability
TOP END REPAIR KIT
Part Number: NTI-NA-50070-BK1
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Repair Kit, Top End, 82.950mm Bore, 9.50 to 1 Compression Ratio, Yamaha, Kit
Part Number: NTI-NA-40005K
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Repair Kit, Top End, 83.500mm Bore, 8.60 to 1 Compression Ratio, Yamaha, Kit
Part Number: NTI-NA-40006-2K
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Repair Kit, Top End, 84.98mm Bore, 9.30 to 1 Compression Ratio, Kawasaki, Kit
Part Number: NTI-NA-20075-CK
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
CYLINDER, CYL WORKS STD BORE KIT CRF450R
Part Number: CLW-10002-K02
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Cylinder Kit, Forged Aluminum, 3.00mm Oversize Bore, Yamaha, Set
Part Number: CLW-21004-K01
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT
Part Number: NTI-NA-10012-2K
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Cylinder Kit, Forged Aluminum, Standard Bore, Yamaha, Set
Part Number: CLW-20104-K01
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Repair Kit, Top End, 79.960mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit
Part Number: NTI-NA-50080-BK
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT
Part Number: NTI-NA-30008-2K
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
ROTATING ASSEMBLY
Part Number: ESP-231143927
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
ROTATING ASSEMBLY
Part Number: ESP-B627144005
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.9:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings, H Bearing
Part Number: SUM-R2436L8207
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R2436L8987
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 24X, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings
Part Number: SUM-R2436L9033
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Pro LS Piston and Rod Kit, 371 Cid., 4.040 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings
Part Number: SUM-PR360402
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Pro LS 4340 Piston and Rod Kit, 360 Cid., 3.785 bore, 4.000 stroke, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings
Part Number: SUM-PR407855
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Pro LS 4340 Piston and Rod Kit, 364 Cid., 3.810 bore, 4.000 stroke, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.7:1 @ 65cc, File-Fit Rings
Part Number: SUM-PR4081012
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Pro LS 4340 Piston and Rod Kit, 364 Cid., 3.810 bore, 4.000 stroke, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings
Part Number: SUM-PR408105
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Pro LS 4340 Piston and Rod Kit, 367 Cid., 3.820 bore, 4.000 stroke, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.8:1 @ 65cc, File-Fit Rings
Part Number: SUM-PR4082012
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Pro LS 4340 Piston and Rod Kit, 367 Cid., 3.820 bore, 4.000 stroke, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings
Part Number: SUM-PR408205
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Pro LS 4340 Piston and Rod Kit, 382 Cid., 3.898 bore, 4.000 stroke, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings
Part Number: SUM-PR4089816
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Pro LS 4340 Piston and Rod Kit, 383 Cid., 3.903 bore, 4.000 stroke, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings
Part Number: SUM-PR4090316
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
Pro LS 4340 Piston and Rod Kit, 383 Cid., 3.903 bore, 4.000 stroke, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings
Part Number: SUM-PR409035
Not Yet Reviewed
Estimated Ship Date: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
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: Friday 1/2/2026
Estimated Ship Date: Friday 1/2/2026
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