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Maverick · 12-13-2011, 02:03 PM

The neck collars are spec 3.3 and I don' t see a expiration date for them yet. The SFI spec 381 is for the neck restraint system and it looks like five years. I will have to try to look for the SFI spec 3.3 and see if it expires. SFIfoundation.com is the website

12-13-2011, 02:03 PM	#70
Maverick Member Join Date: Dec 2010 Posts: 291 Likes: 2 Liked 26 Times in 19 Posts	Re: Time to Revisit the Super Times? The neck collars are spec 3.3 and I don' t see a expiration date for them yet. The SFI spec 381 is for the neck restraint system and it looks like five years. I will have to try to look for the SFI spec 3.3 and see if it expires. SFIfoundation.com is the website Last edited by Maverick; 12-13-2011 at 02:07 PM.