Chevy HT502 - Emission Legal Truck Conversion KitHT502 big block crate engines are made to convert 1991-93 Chevrolet and GMC 10-, 20-, and 30-series 2 wd trucks originally with a 454 TBI engine and 4L80E automatic overdrive transmission. HT502 kits provide better towing capabilities in a direct bolt-in replacement for any high-mileage 454. Truck drivers with older 454 engines will love the towing power from a new 502! The HT502 is meant as a replacement. You swap over your induction components like TBI manifold and throttle body along with ignition system and some other components. A new GM PROM electronic control module (ECM) chip is included, along with a detailed instruction guide. Technical Note: This kit will not work on four-wheel drive trucks, due to an exhaust interference. Possible Applications
*Applications have not been validated. They are merely suggestions of how you might enjoy your GM Performance Parts crate engine. Some applications may affect engine warranty. See specific warranty information. Some applications may not be emission legal; check state and local ordinances.
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Part #:88890533
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