xMounts Layout: GMC Sierra
1
Step 1 of 4
"H3"
Front Mount, both sides
Standard Front holes on chassis rail
2
Step 2 of 4
"H3"
2nd Mount, both sides
(387mm from front of 1st mount to front of this mount)
3
Step 3 of 4
"H3" spaced out 10mm off chassis Rails (2 x 5mm spacers per bolt)
3rd Mount, both sides
(1470mm from front of 1st mount to front of this mount)
4
Step 4 of 4
"W" Plus 16mm spacer
Back Mount, both sides
(1847mm from front of 1st mount to front of this mount)