SpeedFactory - 85mm Bore Piston Ring - Single Cylinder - 1.5 x 1.5 x 3.0 High Pe

SpeedFactory Racing product information:
SOLD EACH. (1) RING SET IS FOR (1) CYLINDER.
These SpeedFactory Racing Honda B-Series High Performance GNH Piston Ring Sets are designed specifically to be used with SpeedFactory Racing / BME Honda B-Series Outlaw Pistons.
They are gas-nitrided which enhances piston ring durability by creating a hard, wear-resistant surface layer, improves friction reduction, and increases resistance to scuffing and seizing - all ultimately extending the ring's lifespan. 
Available in 84mm, 84.5mm, and 85mm bore sizes.
Piston Ring Specifications
Top Ring (Nitrided) - 1.5
Second Ring (Napier) - 1.5
Oil Control Ring (Soft Nitrided,3pc) - 3.0