Chevy Small Block - Secrets Of The Cheap Hydraulic Roller Lifters
If you're using a one-piece rear main seal truck block that was configured for a flat-tappet cam, there are three cast-in stands in the lifter valley (arrows) that may need to be drilled and tapped. Use the stamped-steel spider to position the holes, then drill and tap the holes. If the engine is assembled, mask off the open areas in the valley to prevent spreading iron shavings into the engine. View Related Article
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