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Product Description
Replica Cast Iron KNUCKLE HEADS
1940 - 1947 "Big Port" type
comes with Valves & Springs installed
and with Upper & Lower Tin Covers complete
HEADS take OEM 18mm Spark Plugs & Plumber Manifold
SPARE PARTS for Vintage Big Twin Harleys
Replica Cast Iron KNUCKLE HEADS
1940 - 1947 "Big Port" type
comes with Valves & Springs installed
and with Upper & Lower Tin Covers complete
HEADS take OEM 18mm Spark Plugs & Plumber Manifold