Questin about SIP heads


Which head do you recommend to use with Polini 207 with a 60mm crank?


Can I use this head?




I also have welded and matched cases, MMW2 reed, keihin PWK 28 carb

Use 13013970 or 13013975 ( depending on which piston type you have) with 1.5mm cylinder head spacer 90770000.