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OPGI Price: $98.99
Part Type: (R) = Authentic reproduction of the original GM product
Sold As: EACH
2018 Chevelle Catalog Page: 352
This reproduction relay is identical to original equipment and is a must-have for any 4-speed vehicle. The relay works with the Transmission Controlled Spark (TCS) switch to advance the engine timing when the transmission is in top-gear, which provides better fuel economy. The original style relay is stamped with the original GM part number on its zinc-plated metal top and also features a plastic body equipped with the correct 4-prong configuration. Sold per each.