This Stroker Kit Assembly adds a little more than 12cc to the Tillotson 225R/R(223.93cc) to make it 236.15cc or 14.41ci.

This means it added as much displacement to the 225 as the 225 added to the 212 Tillotson, Predator, and other Clone Engines of similar size. Or if you compare it to the 212(211.67cc) Engines, this kit will make 24.48cc more displacement.

*Note engines with the 58mm crankshafts, including the Wildcat 223, and Predator 224 may require clearance for the compression release to pass the crankshaft weights.

Note: This is a EC Carb part, not an NR Racing Kit!

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