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P-Ayr Products

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P-Ayr Products, Inc. is a manufacturer of lightweight plastic replica engine blocks and transmissions for use in mocking up a chassis. P-Ayr mock-up blocks are great for setting up engine mounts in a chassis, and you can even bolt up all of your accessories to check for fit and clearance. Perfect for the "Measure twice, cut once" type of builder that understands the value in mocking up projects.