Piston Ring Set Hasting 040 TR250 TR6

This is a piston ring set Made by Hasting Piston Rings in Hastings Michigan for your Triumph TR250 to TR6. Piston Size 040, Ring Set fits 2.980 Cylinder Diameter Top Groove = 1/16 2nd Groove = 1/16 3rd Groove = 5/32

At Hastings Manufacturing they have mastered the engineering and craftsmanship of piston rings. Hastings Piston Rings protect and enhance the performance of engines by reducing friction, improving heat transfer, maximizing the sealing of compression gases, and enhancing oil control with Flex Vent® oil control ring. The result is superior performance and easy installation on your pistons.