Performance Driverpak rebuild kit for Type 1 engines. Includes 042-casting performance cylinder heads featuring 53cc combustion chambers, larger 40 x 35mm stainless steel valves, single hi-rev valve springs. Cylinder heads use 12mm 3/4" reach spark plugs. Driverpak kit also includes 90.5mm cast pistons & cylinders, pushrod tubes and Elring gasket kit.
Note: 90.5mm cylinders require your case to be machined to fit the cylinders. The performance heads in this kit will be machined to fit 90.5/92mm cylinders. This builds a final engine size of 1776cc.
Kit number: 1901
**Each cylinder head is cut when the order is received. Please allow 3-5 business days for machining to be completed once your order is placed.**