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JWL · 04-14-2016, 04:57 AM

I think Ross's picture confused the issue. The flange head 12 point cap screw is NOT an internal drive. It uses common/standard SAE wrench sizes. Sorry I am not a picture poster.

JWL:

04-14-2016, 04:57 AM	#11
JWL Member Emeritus Join Date: May 2010 Location: Fitzgerald, Georgia Posts: 2,204	Re: Cylinder Head Fastener Options I think Ross's picture confused the issue. The flange head 12 point cap screw is NOT an internal drive. It uses common/standard SAE wrench sizes. Sorry I am not a picture poster. JWL: