MAD billet girdle is made from 7075 aluminum to add significant rigidity to the VR38 engine designed by our chief engineer Daniel. The result is a product that strengthens the complete OEM VR38 block allowing the engine to withstand the abuse from a tuned engine. This CAD engineered girdle is CNC manufactured in house at MAD from a solid block of 7075-T6 aluminum alloy. 7075 offers strength properties comparable to most steels while providing more corrosion resistance than some other aluminum alloys like 6000 series.

Heat treatment of the MAD 7075-T6 girdle is a way to force the material to stress relife before we finish it up in our 5 axis CNC mill for a 100% straight product, that won’t twist and get out of tolerance when motor gets hot the first time installed in car!
This is a MAD exclusive process!

NOTE: This billet girdle will require line boring to your engine builder’s
bearing specifications.

Hardox 400 dual hole washers are included in package and must be used when installing!

Designed and manufactured by MAD Sweden in Sweden!

Estimated lead time: 3 days + shipping
Prices in Swedish Krona (SEK) and excluding VAT.