S&S® aluminum nine bolt cylinder heads for 1936 V model and 1937-'48 U model flathead sidevalve engines offer better cooling than stock cast iron heads. Kit includes front and rear heads and copper head gaskets. Head bolts are not included.
This is a special order part. Options include compression ratio (5.5:1, 6.1:1, 6.25:1, or 7:1) based on an 80" engine, and your choice of machining for stock 18mm, or more readily available 14mm spark plugs.
Download the Special Order Form at www.sscycle.com/soforms