Available in standard sizes only to fit Sport Parts Inc. pistons original equipment pistons and all other brands that utilize the original equipment design
SPI rings are manufactured to original equipment specs and interchange with the original equipment design on original pistons
All rings are compatible with the original cylinder material as well as re-sleeved cylinders
Available in standard sizes only to fit Sport Parts Inc. pistons original equipment pistons and all other brands that utilize the original equipment design
SPI rings are manufactured to original equipment specs and interchange with the original equipment design on original pistons
All rings are compatible with the original cylinder material as well as re-sleeved cylinders