Availability
Get higher performing pistons and piston rings without the higher prices! Namura Technologies piston kits can be used as direct replacements for OEM pistons with...
Get higher performing pistons and piston rings without the higher prices! Namura Technologies piston kits can be used as direct replacements for OEM pistons with no modifications or dimensional adjustments needed. For speed seekers, high-compression piston kits are also available. Shop Summit Racing for Namura pistons, piston rings, needle bearings, and cylinder sleeves that can add power to your ride. Buy today!
Get higher performing pistons and piston rings without the higher prices! Namura Technologies piston kits can be used as direct replacements for OEM pistons with no modifications or dimensional adjustments needed. For speed seekers, high-compression piston kits are also available. Shop Summit Racing for Namura pistons, piston rings, needle bearings, and cylinder sleeves that can add power to your ride. Buy today!
Showing In Stock Items. Show All 14 Items.
TOP END REPAIR KIT
Part Number: NTI-NX-40025-6KA
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
PISTON KIT HYPERDRYVE 102.97/STD 11:1 YAM
Part Number: NTI-NA-40025
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
PISTON KIT HYPERDRYVE 103.47/+0.50 11:1 YAM
Part Number: NTI-NA-40025-2
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
PISTON KIT HYPERDRYVE 103.97/+1.00 11:1 YAM
Part Number: NTI-NA-40025-4
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
TOP END KIT HYPERDRYVE 103.97/+1.00 YAM
Part Number: NTI-NA-40025-4K
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
Repair Kit, Top End, 66.360mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit
Part Number: NTI-NX-40025-BKA
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
PISTON KIT CERAMIC COMP CYL 66.37/+0.02 10.9:1 YAM
Part Number: NTI-NX-40025-C
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
Repair Kit, Top End, 66.370mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit
Part Number: NTI-NX-40025-CKA
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
TOP END REPAIR KIT
Part Number: NTI-NX-40025-BK
Not Yet Reviewed
Estimated Ship Date: Feb 4, 2026 if ordered today
Estimated Ship Date: Feb 4, 2026 if ordered today
TOP END KIT HYPERDRYVE 102.97/STD YAM
Part Number: NTI-NA-40025K
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
Repair Kit, Top End, 66.350mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit
Part Number: NTI-NX-40025K
Not Yet Reviewed
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
Repair Kit, Top End, 66.350mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit
Part Number: NTI-NX-40025KA
Not Yet Reviewed
Estimated Ship Date: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
