SPR offers best quality and wide range of Piston Rings manufactured using high quality cast iron and steel materials like cast iron, alloyed grey cast iron, spheroidal graphite cast iron and more.
Advanced development of materials and metal matrix technologies make our Piston Rings best for the use in modern automobile industry that demands for long lasting strength and power.
SPR is the leading manufacturer and supplier of Pistons Rings across the globe.
Surface Treatment / Coating
RNS – M Coating
Physical Vapour Deposition (PVD)
Composite Plating of Chrome (CPC)
Plasma Inlaid Moly Coating
Gas & Salt Nitriding (GN)
Inlaid Chrome Coating
Shriram Pistons and Rings Ltd., initially known as Shama Pistons and Rings Ltd., was incorporated in the year 1963. However, in 1972, the management of the Company was taken over by Dr. Charat Ram a leading industrialist and the Company was re-named as Shriram Pistons & Rings Ltd.