Requires BHJ’s 2” Precision Support Bar and Main Bearing Bore Adapter Rings (sold separately)
BHJ’s Blok-Tru engine block blueprinting fixture corrects improperly machined deck surfaces, commonly caused by factory machine tolerances and production line inaccuracies. This precision-machined fixture has a true 45-degree angle machined at each side of its own centerline. The Blok-Tru index plate, when installed on the cam-crank centerline of the block, is then referenced to roll over and correctly index the block into position for the resurfacing operation. An optional upgrade allows the Blok-Tru to also work with Ford’s Triton/Modular blocks, which lack a cam tunnel by design.