Hastings Ring Set — 88mm, 2×2×5 Cast Iron | VW Type 1 Big-Bore (98-1240-B)

Hastings piston ring set for 88 mm bore VW air-cooled engines. Cast iron compression rings — Hastings' standard street-quality material. Complete set for a 4-cylinder engine.

Application

• 88 mm bore — big-bore Type 1 (≈1679cc on stock 69 mm stroke)
• Pair with matching 88 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: Cast iron 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 #: 98-1240-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.