For Piper PA31-310 Navajos & PA31-325 Navajos

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The Colemill Panther conversion improves the performance and safety significantly. Installation of 350 horsepower turbo-charged engines and 4-blade "Q-Tip" propellers optimize the power/weight ratio of the small-body Navajo. The result is superior performance.

Your Colemill Panther conversion includes... Optional Accessories

All conversions are FAA STC approved
Custom stripping is extra
Conversion prices do not include: replacement or repair of airboxes, or fuel costs for test flying
Prices assume core engines have repairable cases and cranks.

Panther Articles

article icon Colemill Panther's Quiet Sound And Great Looks Attract Attention article icon New Engines Make the Colemill Panther a Better Choice Than Ever article icon Aircraft Owners Come Thousands Of Miles For Colemill Service article icon Panther Popularity is Worldwide article icon Colemill Modifications Are Much More Than An Engine Swap article icon Panther Power Too Good To Wait For