Out of stock
SKU: TOTMG0010-45
MPN: MG0010 45
The Total Seal Piston Ring Set 4.040 Gapless Top is a precision-engineered ring kit designed for high-performance eight-cylinder engines requiring file-fit installation. This complete piston ring set features a gapless top ring in 4.040-inch bore diameter with 0.043-inch x 0.043-inch x 3.0mm dimensions, manufactured from ductile iron for durability and heat resistance. The MaxSeal Gold series combines low-tension design with proven sealing geometry to deliver optimal ring-to-cylinder wall contact while minimizing friction losses.
The gapless top ring configuration eliminates traditional ring gap, which reduces blowby and improves combustion chamber seal integrity across the RPM range. Low-tension ring design decreases parasitic drag on the crankshaft, supporting improved fuel efficiency and power delivery—particularly valuable in naturally aspirated engines where ring friction directly impacts performance. File-fit installation requires honing to precise bore specifications, ensuring the rings achieve their design clearances and sealing characteristics. The 3.0mm land thickness provides structural rigidity and thermal conductivity necessary for sustained high-load operation.
This ring set serves engine builders and machine shops performing rebuilds on eight-cylinder performance engines, race applications, and high-displacement street builds. The Total Seal Piston Ring Set is commonly specified for full-bore engine restoration where maximizing seal efficiency and minimizing oil consumption are critical. Proper bore preparation and honing are essential prerequisites; rings must be installed with gap measurement and clearance verification per Total Seal specifications to achieve optimal performance and ring life.
Total Seal's MaxSeal Gold series represents advanced piston ring technology engineered for engines where conventional rings compromise efficiency or sealing. The gapless top ring, combined with ductile iron construction and low-tension design, positions this set for demanding applications where combustion seal quality directly influences horsepower, emissions compliance, and engine longevity.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
