ONLY FOR NIKASIL CYLINDERS
Siebenrock 1000cc pistons 9.5:1. Fits all 1000cc Nikasil cylinders, including the original BMW cylinders. At 9.5:1 compression, this kit is an excellent way to restore torque and HP to the low compression engines from 1980-on with parts that have less reciprocating mass for a smoother and more responsive engine.
To lower compression to 8.8:1 use one part number 11 11 1 335 650 base gasket under each cylinder.
Sold individually, for a set order quantity of two. Includes:
Specify your cylinder type A, B or C when ordering which is stamped at the base of your cylinder.