SKU: 91355008227

Wing Bolt Wrench - Set 14 pieces

Sale price$1190.70 Regular price$1323.00
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Description

Wing Bolt Wrench - Set 14 piecesBeechcraft has been changing the hardware for the wing attach bolts and nuts. It used to be that all of the bolts had an internal wrenching hexagon socket head. This would require a tool like an "Allen Wrench" to hold for torquing. The new ones come with a twelve point external wrenching head. These require a tool that looks like a twelve point socket to engage. The older aircraft had an internal wrenching nut on the wing bolts. Approximately 1991

Beechcraft has been changing the hardware for the wing attach bolts and nuts. It used to be that all of the bolts had an internal wrenching hexagon socket head. This would require a tool like an "Allen Wrench" to hold for torquing. The new ones come with a twelve-point external wrenching head. These require a tool that looks like a twelve-point socket to engage.

The older aircraft had an internal wrenching nut on the wing bolts. Approximately 1991 they switched to a nut that is external wrenching and has twelve points. It is possible that some of the new hardware has been installed on the older airframes. For this reason, it is difficult to forecast which tools may be needed on a given plane without examining the hardware installed and any replacement nuts and bolts to be installed.

Recently our set of wrenches was expanded from a total of 13 to 14. The new wrench is a 1 and  5/16 wrench x 1/4 drive x 4'' CTR to CTR.  This wrench is used to torque the hex nut while checking the "Drag" on the PLI washer.  It is only used on 3rd generation King Air main spars.

One recent improvement to the set was to attach a disc with a half-inch square hole to the end of our offset style wrench (the one with two bends in the handle). This makes the wrench compatible with any standard half-inch drive tool for added leverage.

The 1 and 1/16 inch Socket Torque extender has been changed to a "Box End" style. This was required for fit issues on the Beechcraft Duke and the King Air 90 Series.

 Wing Bolt Wrench - Set 14 pieces Part Number STS 1203

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SKU: 91355008227

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Michael J. Tuten
Phoenix, US
★★★★★ 4
Easy valve cleaning for the engine
Size: 150 ml, Pack of 1
Just tried the LIQUI MOLY Valve Clean in my car. added it to my fuel, and it seems to help keep things running smoothly. it's handy to have on hand for maintenance, especially when I want to avoid engine issues. it works well in my daily drive and is pretty simple to use. glad i picked this up.
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Reviewed in the United States on May 5, 2026
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Adam
Belleville, US
★★★★★ 5
Fine product
Size: 150 ml, Pack of 1
This one works
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Reviewed in the United States on May 24, 2026
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Palmetto Dan
Carnegie, US
★★★★★ 5
Works great!
Size: 150 ml, Pack of 1
This product works great for cleaning valves. Very effective formula that does the job well. Arrived quickly and was exactly as described. Would definitely buy again!
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Reviewed in the United States on May 2, 2026
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cb
Grantham, US
★★★★★ 5
Molly valve cleaner
Size: 150 ml, Pack of 1
Put this in my truck with a RAM engine it was kind of running a little bit rough not really sure what was going on I thought I'd get this liquid Maui a try and she smoothed out some but you know who knows it could be all Hocus pocus
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Reviewed in the United States on May 23, 2026
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Amazon Customer
Birmingham, US
★★★★★ 5
Good product
Number of Items: 1
Bought to see if it would help with oil consumption. Good quality it seemed to help for first 1000 miles. Xc60 with over 140k
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Reviewed in the United States on April 24, 2026

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