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Mercury Quicksilver - Small Block V-8 385 Cylinder Head Assembly - Fits 385 Performance Tuned Plus Series, 5.7L L31 Pressure Charged Engines - 938-8M0115140
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ShareMercury Quicksilver - Small Block V-8 385 Cylinder Head Assembly - Fits 385 Performance Tuned Plus Series, 5.7L L31 Pressure Charged Engines - 938-8M0115140
All new Quicksilver cast iron cylinder head, hardened valve seats press fit into the cylinder head with 24 N stainless steel intake valves featuring seats treated with a cobalt-chromium alloy for extreme durability and nickel super-alloy exhaust valves for high temperature durability. Heavy duty springs for engine speeds up to 5800 RPM. This fits 385 PT e…
All new Quicksilver cast iron cylinder head, hardened valve seats press fit into the cylinder head with 24 N stainless steel intake valves featuring seats treated with a cobalt-chromium alloy for extreme durability and nickel super-alloy exhaust valves for high temperature durability. Heavy duty springs for engine speeds up to 5800 RPM. This fits 385 PT engines featuring upgraded ports for higher airflow. These are for engines with an 8-bolt intake manifold pattern. This cylinder head features screw-in rocker studs. Fits 385 Performance Tuned Plus Series engine 5.7L L31 Pressure charged automotive & truck engines
Description
All new Quicksilver cast iron cylinder head, hardened valve seats press fit into the cylinder head with 24 N stainless steel intake valves featuring seats treated with a cobalt-chromium alloy for extreme durability and nickel super-alloy exhaust valves for high temperature durability. Heavy duty springs for engine speeds up to 5800 RPM. This fits 385 PT engines featuring upgraded ports for higher airflow. These are for engines with an 8-bolt intake manifold pattern. This cylinder head features screw-in rocker studs. Fits 385 Performance Tuned Plus Series engine 5.7L L31 Pressure charged automotive & truck engines