VW Aircooled Engine Case | Mag Allow | Stock Care Bore | 1500-1600cc

$39.80 (Fixed Shipping Cost)
  • VW Aircooled Engine Case | Mag Allow | Stock Care Bore
  • VW Aircooled Engine Case | Mag Allow | Stock Care Bore


Brand New AS41 VW Dual Relief Magnesium Engine Case

AS41 mag cases generally weigh about 17 pounds less than aluminum engine cases, and magnesium engine cases have better heat dissipation properties. AS41 mag cases have been used by VW drag racers, daily drivers and restorers for many years.

Stock replacement 1500-1600cc can be bored and machined to work on engines all the way up to 2386cc.

Machine work available:

  • Bore to 92mm needed for 90.5 and 92 STD piston and liner kits
  • Bore to 94mm needed for 92 thick wall and 94mm piston and liner kits
  • Sand Seal for machine in sand seals that are sturdy than the bolt on
  • Shuffle Pin for extreme revving up pass 6000 RPM
  • Stroker clearance needed for cranks bigger than 76mm
  • Tap for Full Flow needed for remote oil coolers and or filters

Part#: 043 101 025

 Prop 65 Warning

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


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Warranty Information


Customer satisfaction is our top priority. We accept returns on unused products, buyers have decided against them after receiving them, on a case-by-case basis.

Contact us if you ordered a product that you have since decided against, and we will do our very best to get it returned or exchanged.

Any unused merchandise in the original packaging may be returned within 10 days of the original purchase date or received date depending on the shipping timeline. There are no returns on electrical items, special orders such as build to order products. Discontinued items will be evaluated to determine if the product can be returned. No returns will be accepted of damaged (by user) or used items.

Return requests need to be submitted using the attached form, so we can issue an RMA. Please include the original packaging and a copy of your invoice or receipt.

For more information or any other questions you may have, please call us at 1-75-553-8333 or email during normal business hours 8:00am to 5:00pm PST Monday to Friday

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