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
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 14176028635

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AgentH2
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★★★★★ 5
Holds the phone tight without blocking the road view.
Works very well an d gives me clear view of the phone withgout blocking the view of the road. Exactly what I was looking for.
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Reviewed in the United States on April 20, 2026
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Evgenii Boronin
Fort Morgan, US
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the best
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Reviewed in the United States on February 21, 2026
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patrick cadenhead
New York, US
★★★★★ 2
Doesn’t work properly
The mount part was great, but I couldn’t get the charger to work. Had it replaced and it still didn’t work. Disappointing because otherwise it was great. I still use it as a mount and use a cord to charge.
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Reviewed in the United States on April 25, 2026
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Ron
Battle Creek, US
★★★★★ 5
An amazing charger for the car that is super fast with just contact
This wireless charger mount charges much faster than my old wireless charger and now helps me keep my phone charged throughout the day just from my commute. The mount works well in my Ford Lightning display which is similar to the Tesla as well. The ability to charge at 25W really makes it faster than even plugging it in directly with a cable. This is very helpful for quick access and making sure it is always charging. The magnet is quite strong and I have no concerns of the phone falling off at all. The maneuverability of the mount is quite robust and allows the phone to sit at whatever angle you want it to. You can adjust to the side of the monitor, all the way to the top as well with articulation for fine tuning the angle on the z axis. The phone charges about 15-20% during my 15 minute commute which is huge to keep the charge up before and after work.
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Reviewed in the United States on May 3, 2026
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Jon V
Lexington, US
★★★★★ 4
Super helfpul in the summer
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Reviewed in the United States on February 18, 2026

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