Figure Machine XLFLOW-STACK, Installation Manual

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2) PREPARE XLFLOW-STACK BACK PLATE
2.1)
Install the breather spacer bolts to the engine
heads (using Loctite). On carbureted models
use install ½” washers between the bolts and
the heads.
2.2) Insert three ¼”-20 x ½” LOW head bolts
through the backing plate and then through
the stock gasket (use Loctite on the bolts).
Loosely install the bolts to the intake but do
not fully tighten.