77mm Grant Piston Rings For Volkswagen Air-cooled Engines.

Specs:
77mm Bore
2.5mm Top X 2.5mm Middle X 4mm Bottom
Cast Top Ring
Complete Full Set, Set Includes All 4 Cylinders
Vw / Volkswagen Air Cooled Engines.

All Grant Piston Rings Are Made In The USA. Ring Sets Contain Compression Rings Which Are Manufactured To Precision Specifications From High Grade Grey Iron Castings. The Top Compression Rings Are Black Phosphate Coated And Beveled On The Inside Top, Which Gives A Torsional Twist Characteristic And Relieved On The Lower Ridge For Oil Scraping Characteristics. The Second Compression Ring Is A Scraper Ring Used In The Second Groove. Oil Rings Are 3-Piece Circumferential Style, Which Provide Quick Seating, Positive Oil Control And Long Life.

Empi 98-1148-B