6:1 High Compression Head Set Aluminum
and may work on WL, WLA, and WLDR 45" Flathead Models.
Heads have a steel insert, cast in, to accept the 18mm spark plug.
Such as Champion D-16 type Spark Plugs, we sell a box of 6 for $22.
Combustion champer is 10.5mm deep.
Beautiful Aluminum Cast Heads, replicates stock heads on WLD Solo model 45" Flatheads from the 40's,
with a extra bump of compression.
Each Head is Marked "F" or "R" to designate front or rear.
Well packaged with oils to prevent any possible corrosion.
Some WL models may need to clearance valves, depending on what size cams, lifters, and valves are used.
We recommend doing the old clay check, as well as aluminum head type gaskets.