AA Performance 94mm extended thickwall cylinder liners. Fits VW Type 1 engines and cylinders are .003in undersized so you can custom hone piston wall clearance. Cylinders are extended length for custom stroker size or long rod engines, and stud holes are undrilled for custom size or spacing.
Specs: 6 inch overall length, 5mm upper wall thickness, 4.094 inch upper OD, 3.870 inch lower skirt OD.
AA Performance 9400T1KL