Hastings Ring Set — 93mm, 2×2×4 Cast Iron | VW Type 1 Big-Bore (98-1234-B)
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Hastings Piston Ring Set — 93mm Bore, 2×2×4 Cast Iron — VW Type 1 Big-Bore (98-1234-B)
Hastings piston ring set for 93mm bore VW Type 1 Big-Bore. The 2×2×4 stack identifies this as a Type 1 big-bore application, one step up from 92 mm for cylinders bored 0.5 mm oversize. The cast iron compression rings are Hastings' standard street-quality material. Complete set for a 4-cylinder engine.
Important — read before ordering: Hastings rings are specified by groove width (top compression / second compression / oil control). This is a 2 mm top / 2 mm second / 4 mm oil stack. Confirm the ring groove widths cut into your pistons match this stack before ordering. Mismatched ring stacks will not seat properly.
Vehicle Fitment
- VW Type 1 (Beetle, Bus, Karmann Ghia): 93 mm big-bore engines (cylinders bored 0.5 mm oversize)
- Pairing: match with 93 mm Type 1 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
- Complete engine set: covers all 4 cylinders (one full engine)
- Consistent quality: known for tight gap tolerances out of the box
Technical Specifications
- Bore: 93 mm
- Ring stack (top / second / oil): 2 mm / 2 mm / 4 mm
- Top compression: 2 mm
- Second compression: 2 mm
- Oil control: 4 mm
- Material: Cast Iron compression rings
- Coverage: 4 cylinders (one complete engine)
- EMPI Part #: 98-1234-B
Frequently Asked Questions
- What is the ring stack for this set? The groove widths are 2 mm top compression / 2 mm second compression / 4 mm oil control, in cast iron compression rings.
- How many cylinders does the set cover? All four — the set is one complete engine.
- How do I know it will fit my pistons? Confirm the ring groove widths machined into your pistons match this stack before ordering. Mismatched ring stacks will not seat properly.