Replacement Stock Bore Cylinder Heads For S&S® P-Series Engines and Retro Conversion Kits For 1966-'84 HD® Big Twins

These are replacement single plug cylinder heads of S&S^® 3-7/16" and 3-1/2" bore P-Series engines, and for 1966-'84 HD^® shovelhead engines that have been upgraded with the S&S^® Retro Conversion Kit. Cylinder head kit includes front and rear cylinder heads, complete with valves and springs, cylinder head gaskets, pan cover gaskets, and exhaust port gaskets.

Note: These are not service part cylinder heads for panhead engines. They will not fit on stock panhead cylinders.
Compression depends on piston type and engine displacement.