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Fed directly from the main oil galley, the piston-cooling oil jets bolt to the bottom of the block valley. Fabricated from tubing welded to flat plate, the ends of the squirt tubes are pinched to form an oil-misting nozzle. As you'd imagine, they just clear the piston skirt, rod, and crankshaft counterweights in the crowded Coyote crankcase. This early test block uses large, rectangular PCV vents.