TNT ring sets from Total seal feature the latest in hybrid ductile iron ring technology. The centrifugally spun, heat-treated ductile iron top ring is specifically designed to withstand the rigors of nitrous oxide and forced induction environments. They're quick seating, easy on the cylinder walls, and available with optional PVD face coatings for further reductions in friction and increased wear ability. These Total Seal TNT piston ring sets are available with conventional, gapless top, or gapless second rings.

Total Seal Rings show up on the world's fastest race engines, from Winston Cup to IMCA to IRL, from marine to drag racing, oval track to off road - nobody builds piston rings that seal better than Total Seal.

Item Code	CT3690 5
Product Type	Ring Set
Manufacturer	Total Seal
Application	UNIVERSAL STREET / RACE
Bore (inches)	4.000
Top-Ring Groove	1/16"
2nd-Ring Groove	1/16"
Oil-Ring Groove	3/16"
Ring Type	Moly
Fitment Type	File Fit
Oil Tension	STD OIL , 20LB+/_
Qty	8 Cylinder Set
Notes	TNT - Conventional