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

Hastings Piston Ring Set — 88mm Bore, 2×2×5 Cast Iron | VW Type 1 Big-Bore

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.

Vehicle Fitment

• VW Type 1 (Beetle): 88 mm big-bore (≈1679cc on stock 69 mm stroke)
• VW Karmann Ghia: 88 mm big-bore application
• VW Type 2 (Bus): 88 mm big-bore application

Pair with matching 88 mm pistons during a rebuild.

Why Choose 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.

Key Features & Benefits

• Cast iron compression rings: Hastings' standard street-quality material.
• Big-bore fitment: 88 mm Type 1 big-bore.
• Complete engine set: covers all four cylinders with tight gap tolerances out of the box.

Technical Specifications

• EMPI Part #: 98-1240-B
• Bore: 88 mm
• Material: Cast iron compression rings
• Sold as: Set covers 4 cylinders (one complete engine)

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.

Frequently Asked Questions

• What engine size does this fit? The 88 mm bore is a VW Type 1 big-bore (≈1679cc on stock 69 mm stroke).
• Is this a complete set for one engine? Yes — the set covers all four cylinders of one complete engine.
• How do I confirm it fits my pistons? Match the groove widths cut into your pistons to the 2×2×5 ring stack (2 mm / 2 mm / 5 mm) before ordering.

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