We are offering piston rings. Piston rings from 35 to 130 mm long in special iron, malleable martensite iron, kv1 (nodularductile cast iron) ika and also steel rings as per dinjis standards in the diameter range of 35mm to 120mm dia and axial width from 0.8mm to 3 mm. Sprl supplies piston rings with hard chrome plating, nitrated, min phosphated & ferrous coated in rectangular, wedge key stone shaped napier with plain & barrel honed.