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LT1/ LT4 Adaptor Plates


One of the best things about the world of Pro Touring is that it keeps our street cars up to speed with the latest technology better than any other part of the Hot Rodding industry. Helping you keep up with that technology Speedtech has now developed a universal LT1/4 engine mount system so that you too can have an LT1 or LT4 engine.

ATS was amongst the original instigators of the LT swap movement, and one of the first to produce a simple and effective way to install one of these engines in an older muscle car. Made in the USA from 6061-T6 billet aluminum, LT Motor Adapter Plates are CNC machined for a precise fit. After final machining they are black powder coated for a long trouble free finish. They are simple to install and an easy step to get your early model car up to late model speed. Sold in pairs with all necessary hardware.

Be sure to check out our additional LT swap items, including sheet metal oil pans, headers, and transmission cross members!