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OPGI Price: $138.99
Part Type: (R) = Authentic reproduction of the original GM product
Sold As: EACH
2018 Eldorado Catalog Page: 150
Original style heat riser valves are a must for proper engine preheat function. These cast-iron valves are fully machined for a precise fit between your manifold and head pipe. The valves feature a thermostatically activated butterfly valve that is controlled by engine temperature. Satisfaction guaranteed.