Originally Posted by PhilM
Yes, ONLY if you use FOCUS type pisons with them! (Ie, from the states).
If you use "UK" mondeo type pistons, you'll run into all kinds of trouble!
yeah sorry i should of mentioned.. i use je pistons and eagle rods on a sliver top but they are meant for the black top focus engine so i had to use a 1.2mm de-comp plate
to reduce the comp ratio from 8:4:1 (57cc cvh head) to 7:8:1