N54B30 CR 9.5:1

9.5:1      Compression ratio

21cc      Dish volume

293g      Weight

€ 550

M52TUB28 Forced Induction

8.5:1      Compression ratio

12.8cc   Dish volume
306g      Weight

€ 550

M54B30 Natural Aspiration

84.00     Bore

10.2:1    Compression ratio

0cc        Dish volume
281g      Weight

€ 500

M50B31 Forced Induction

85.00  Bore

8.5:1   Compression ratio

14cc   Dish volume
288g   Weight

€ 550