Bolt Size - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**roushinator** · 03-06-2015, 02:30 PM

I bought a MAC's engine cradle but need longer bolts than the header bolts. Not my photo but i got one just like this.

I no longer have the header bolts to go match up. My engine is a 2014 6.2 L99. Does anyone know the size/threads of the bolts i need? Thanks.

**roushinator** · 03-06-2015, 04:09 PM

A little search came up with this... 8mm x 1.25, 25UHL

03-06-2015, 02:30 PM	#1
roushinator Senior Member Join Date: Jul 2012 Location: Baton Rouge, LA Posts: 385	Bolt Size I bought a MAC's engine cradle but need longer bolts than the header bolts. Not my photo but i got one just like this. I no longer have the header bolts to go match up. My engine is a 2014 6.2 L99. Does anyone know the size/threads of the bolts i need? Thanks. __________________ Ryan... 1972 C10 Stepside With 2014 Camaro 6.2L/6l80e drivetrain http://67-72chevytrucks.com/vboard/s...11#post5532411

03-06-2015, 04:09 PM	#2
roushinator Senior Member Join Date: Jul 2012 Location: Baton Rouge, LA Posts: 385	Re: Bolt Size A little search came up with this... 8mm x 1.25, 25UHL __________________ Ryan... 1972 C10 Stepside With 2014 Camaro 6.2L/6l80e drivetrain http://67-72chevytrucks.com/vboard/s...11#post5532411

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