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Tillotson 212R-225RS 27/25 5mm Bare Cylinder Head
138210100 Tillotson 212R/225RS Cylinder Head Bare
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Tillotson 212R-225RS 27/25 5mm Bare Cylinder Head

Part Number: 138210100
Your Price: $29.95
Availability: In Stock.

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Description

The Tillotson JT-207 has been modified from 25/24mm to 27/25mm diameter valves, and 5.5mm to 5mm valve stems improve flow. 

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

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