Hastings Ring Set — 87mm, 2×2×5 Chrome | VW Type 1 Big-Bore 1641cc (98-1237-B)

Hastings Ring Set — 87mm, 2×2×5 Chrome | VW Type 1 Big-Bore 1641cc (98-1237-B)Hastings piston ring set for 87 mm bore VW air cooled engines. Chrome compression rings Hastings' upgrade material for longer life, better wear resistance, and reduced break in time compared to cast iron. Complete set for a 4 cylinder engine. Application 87 mm bore common big bore step up from stock 85. 5 mm (1641cc on stock 69 mm stroke) Pair with matching 87 mm pistons during a rebuild Ring Stack read before ordering Hastings rings are specified by

Hastings piston ring set for 87 mm bore VW air-cooled engines. Chrome compression rings — Hastings' upgrade material for longer life, better wear resistance, and reduced break-in time compared to cast iron. Complete set for a 4-cylinder engine.

Application

• 87 mm bore — common big-bore step up from stock 85.5 mm (≈1641cc on stock 69 mm stroke)
• Pair with matching 87 mm pistons during a rebuild

Ring Stack — read before ordering

Hastings rings are specified by their groove widths in millimeters, in the order top compression / second compression / oil control:

• Top compression: 2 mm
• Second compression: 2 mm
• Oil control: 5 mm
• Material: Chrome compression rings

Confirm the ring groove widths cut into your pistons match this stack before ordering. Mismatched ring stacks will not seat properly.

Specifications

• EMPI Part #: 98-1237-B
• Set covers 4 cylinders (one complete engine)

About Hastings

Hastings has been making piston rings in the United States since 1915. Their cast iron and chrome ring sets are a long-standing standard for air-cooled VW engine rebuilds — known for consistent quality and tight gap tolerances out of the box.