Talk to a performance expert
mon-thurs 9-5 cst
This head is the same used on the Tillotson 212R and coming 225RS engines. This makes a great replacement for the Predator Hemi engines gaining as much as .6:1 compression from just changing heads. Typical Predator Hemi is around 8.2:1. This head will bump it up to 8.81:1.
• Intake Valve: 27mm
• Exhaust Valve 25mm
• Valve Stem 5mm
• Combustion Chamber 20.9cc