6238 - 5.5hp PROSTOCK Ported 30.5cc 4 Bolt Top End The PROSTOCK engines produce more

The PROSTOCK engines produce more power than the race ports and are more economical

Losi and most other large scale rc cars

This allows the motor to rev higher and still have a massive amount of torque

We have seen horsepower and torque numbers we never thought possible out of engines this size

all ports resurfaced

6238 - 5.5hp PROSTOCK Ported 30.5cc 4 Bolt Top End The PROSTOCK engines produce more<p>(Our porting is not shown in picture)&nbsp;< p> <p>PROSTOCK An affordable mild version of a full mod. The PROSTOCK's are rated at 5 5. 5hp, full mod's 6 6. 5hp, and full mod long rods 7 7. 5hp.&nbsp;<span>We guarantee performance of this top end to be as much if not more than similary priced ported top ends from our competitors.&nbsp;< span>< p> <p>The PROSTOCK line has replaced the Race Ported line. The PROSTOCK engines produce more power than the