ECSiNG 2pcs Engine Piston Rings 55 x 1.2 mm 503 28 90-53 Compatible with Husqvarna 390 390xp

Name: ECSiNG 2pcs Engine Piston Rings 55 x 1.2 mm 503 28 90-53 Compatible with Husqvarna 390 390xp
Brand: ECSiNG

ECSiNG

Compatible with Husqvarna chainsaw 390 390xp, replaces part number 503 28 90-53. Dimensions when open: outer diameter 57.5 mm, inner diameter 53 mm, ring width 1.2 mm, closed: outer diameter 55 mm, width 1.2 mm. Made of steel, high temperature and wear resistant, for long service life. Seals the engine piston, prevents air and oil leakage, maintains cylinder pressure. Ideal as piston rings, cylinder rings and ring set for maintenance and repair., Manufacturer: ECSiNG