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No one likes paying big bucks for custom headers, but fortunately Hooker makes a set of 1.75-inch long-tube headers (PN 3902-1HKR) that will fit early A-body chassis equipped with big-block Olds engines. They feature 5/16-inch flanges, 3-inch collectors, and 27-inch-long primaries. The headers wrap around a Mondello 7-quart oil pan. Since the 461 uses a Mondello high-volume pump, the larger oil pan capacity is a must.