Total Seal TNT Gapless Top Racing Piston Ring Sets

Total Seal TNT gapless top racing piston ring sets are "dynamite" for your pistons! TNT piston rings feature the latest in hybrid ductile iron ring technology. The centrifugally spun, heat-treated ductile iron top ring is specifically designed to withstand the explosive rigors of nitrous oxide and forced induction environments. Quick seating, and easy on the cylinder walls, these complete TNT piston ring sets are available with optional PVD face coatings for further reductions in friction and increased wearability.