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
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 14176028635

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T. J. MCNEILL
Grantham, US
★★★★★ 5
Great Cookware Best purchase
Color: Blue, Size: 6-Quart
I purchased mine back in 2021 and I absolutely love it, cooks the best stew ever easy wash and cleanup. Also great for deep frying
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Reviewed in the United States on June 6, 2026
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Firebabe
Lexington, US
★★★★★ 5
Great quality. Easy to clean. Nice appearance.
Color: Red, Size: 4.3-Quart
Solid, heavy pot for cooking and baking. I bought it mainly for making soups, stews and breads. I have only tried soups thus far. The pot cleaned up very easily. The bottom of the pot heated uniformly. Nothing was stuck to the pot when I was simmering on the glass top stove. I have not had the chance to bake yet, but seeing how evenly it held heat while cooking, I am thinking this will be perfect. I bought the red color. It gives a nice pop of color in my kitchen. This pot will probably last me a long time. I would buy one if I needed a replacement, or a gift for someone.
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Reviewed in the United States on November 29, 2025
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Amazon Customer
Carnegie, US
★★★★★ 5
Great quality for price after 3 years of use
Color: Matte Navy, Size: 6-Quart, Color: Matte Navy, Size: 6-Quart
I’m 3.5 years in and use it weekly. So far it’s been a great product especially for the price. We are really into soups, roast, and I bake bread a lot. This thing is amazing and a great quality. It’s easy to clean, does great in the oven, and stands up great to constant use. I only have a small amount of staining at the bottom, and a couple scratches from metal utensils. The lid is solid and the handle is really secure still, which is a problem I’ve had with other brands I’ve tried.
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Reviewed in the United States on February 2, 2026
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Gwen Jones
Omaha, US
★★★★★ 5
Quality product
Color: Navy, Size: 6-Quart
I absolutely LOVE my Dutch oven! The reduced cooking time for certain cuts of meat for stews, pot roast, etc., is a definite game changer!! The meat comes out so juicy and tender. I made curry and did the "burning" of the curry and was hesitant because I didn't want the pot to be stained. There were no stains left at all. I've used it numerous times since purchasing and it still looks new. It's very durable and the color is beautiful. If you're looking for a functional, quality, and durable Dutch oven without breaking the bank, this is it! I highly recommend.
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Reviewed in the United States on February 9, 2026
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Serhii
Draper, US
★★★★★ 5
Exactly what I wanted
Color: Blue, Size: 6-Quart
Amazing! Looks beautiful, high quality, good price. Well packaged, no defects. Heavy of course :) Blue color is amazing!
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