1-877-4-SPRUCE | email@example.com
Aircraft Spruce & Specialty Co.
Corona, CA | Chicago, IL
Wasilla, AK | Peachtree City, GA
Brantford, ON Canada
FREE SHIPPING ON ORDERS OVER $350 (USA ONLY - SOME EXCLUSIONS APPLY) | 877-4-SPRUCE
CYLINDER BASE NUT WRENCHES 64942 / 64943
From $48.70 to $74.50
|1/2" Allen Head Hex Wrench|
|3/8" Allen Head Hex Wrech|
|Cylinder Base Nut Wrenches Set|
Lycoming 64942 & 64943
• For lycoming engines
• For socket type nuts (internal wrenching)
• Standard 1/2" square female drive end
• Made from alloy steel forgings, heat-treated for maximum toughness.
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I chose to backorder the wrenches, and Aircraft Spruce sent them as soon as they got some inventory. Very good quality wrenches. I bought these NEW from Aircraft Spruce for LESS than used ones selling on eBay. Thank you!
January 6, 2018
I purchased the two wrench set for a narrow deck O-320. Neither wrench have the clearance needed to engage the socket cylinder head bolts. They will have to be modified. Disappointed.
May 16, 2019
Q: What are the size of these 2 wrenches? (64942 & 64943)
The 64942 has a 1/2" allen head hex, and the 64943 has a 3/8" allen head hex.