Subaru
GENUINE SUBARU JDM EJ20 THICK WALL SHORT BLOCK ASSEMBLY 2015+
Genuine Subaru JDM Short Block, as fitted to 2015+ Impreza 2.0ltr.
This block has thicker cylinder walls than on the UK version (13.1mm), allows higher power to be made safely, and can make 400bhp safely with supporting modifications.
This is fitted with the heat-treated and nitrided crankshaft
Recommended maximum 450BHP