**Customer must install 4x 1/2" Grade 5 cross bolts as close to the turbo as possible** For racing/sled pulling use only.
Fits: 2005-2006 +07 classic Chevy GMC Duramax 6.6 LLY LBZ Duramax engines. Does not fit LMM applications!
Approximate location of the hood hole: 21.25" towards the passenger side from the centerline of the turbo 8.5" forward from the outlet of the turbo There is some variance as the stack can be rotated at the back of the turbo and at the v-band joint on the stack.
