Bugpack 4340 Chromoly 86mm Forged Stroker VW Crankshaft Chevy Journal vw bug header Fits Mahle 85

Fits Mahle 85

Beefed up intake and exhaust ports allow massive porting without the need for welding

In the industry these are referred to as 20mm OD

Thread size 10mm x 1

5 front and 15x5

Bugpack 4340 Chromoly 86mm Forged Stroker VW Crankshaft Chevy Journal vw bug header Fits Mahle 85Bugpack has developed these high quality counter weighted stroker cranks with high performance in mind. Multiple die stamp and forged forged 4340 chromoly. The cranks are magna fluxed, shot peened and all journals are nitrided, precision ground and then micro polished. Additional features include dynamic balancing, drilled to 8 dowel and 8mm pins are installed. Choose journal size, and stroker combination that best suits your application. This