SKU: 14176028635

EMPI Piston & Cylinder Set — 92mm × 69mm Stroke, 1835cc Thick-Wall Machine-In | VW Type 1 (98-1958-B)

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Description

EMPI Piston & Cylinder Set — 92mm × 69mm Stroke, 1835cc Thick-Wall Machine-In | VW Type 1 (98-1958-B)1835cc is the most popular displacement bump for a Type 1, and this is EMPI's thick wall machine in version (98 1958 B) 92mm cylinders with extra wall material for more strength and cooling surface than a standard 92mm slip in set. The hypereutectic high silicon alloy pistons run with minimal expansion for long service life. This is a machine in set: your case and heads must be cut for 94mm to clear the thicker cylinders. Features 92mm bore 69mm stock

1835cc is the most popular displacement bump for a Type 1, and this is EMPI's thick-wall machine-in version (98-1958-B) — 92mm cylinders with extra wall material for more strength and cooling surface than a standard 92mm slip-in set. The hypereutectic high-silicon-alloy pistons run with minimal expansion for long service life. This is a machine-in set: your case and heads must be cut for 94mm to clear the thicker cylinders.

Features

  • 92mm bore × 69mm stock stroke = 1835cc displacement
  • Thick-wall cast-iron cylinders — stronger and cooler-running than a standard 92mm slip-in
  • Hypereutectic aluminum-alloy pistons, high silicon content for low thermal expansion
  • Complete set of 4: cylinders, pistons, rings, wrist pins, and clips
  • Runs the stock 69mm crank — no stroker crank required

Fitment

CONFIRMED: VW Type 1 air-cooled — Beetle, Super Beetle, Karmann Ghia, Bus (Type 2), Type 3 (Squareback, Fastback, Notchback). Machining required: case machined for 92mm and heads cut for 94mm to clear the thick-wall cylinders. This is a machine-in set, not a slip-in. NOT CONFIRMED: Type 4 / 914 engines (different bore spacing and case).

Specifications

  • Bore: 92mm | Stroke: 69mm | Displacement: 1835cc
  • Piston: hypereutectic aluminum alloy, high silicon
  • Cylinder: cast iron, thick-wall (machine-in)
  • Sold as: complete set of 4 (includes rings, pins, clips)
  • Brand: EMPI | Part Number: 98-1958-B

Questions & Answers

Does this fit my air-cooled VW Type 1? Yes — Beetle, Super Beetle, Karmann Ghia, Bus (Type 2), and Type 3, with the case machined for 92mm and heads cut for 94mm.

Are these forged or cast pistons? Hypereutectic cast pistons — high-silicon alloy for low expansion and long service life. (For forged pistons in this displacement, see the Mahle forged 92×69 set, 98-1992-B.)

Is this a slip-in or machine-in set? Machine-in — the thick walls require the case cut for 92mm and the heads cut for 94mm.

Do I need a stroker crank? No — it runs the stock 69mm crank.

What's the part number? EMPI 98-1958-B.

Is Washburn's Metal an authorized dealer? Yes — Washburn's Metal is an authorized EMPI dealer.

Prop 65 Warning

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov. All parts legal for use on pre-pollution-controlled vehicles only.

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 14176028635

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