PRI 2019: Alan Johnson Performance Engineering H20 Block & Heads - Dragzine

PRI 2019: Alan Johnson Performance Engineering H20 Block & Heads

Amanda Bourne
December 17, 2019

Capitalizing on the hubbub from last year, Alan Johnson is now proud to showcase the full 481X H20 engine. This includes the engine block and heads, and features water jackets running through all of it to give cooling power to this beastly power plant.