Cometic, cylinder head gasket set. 4-1/8" .051" MLS - 99-17 Twin Cam (excl. 14-16 Twin Cooled) with 4-1/8" big bore cylinders (NU) 970804 Includes O-ring seal

Includes O-ring seal

Coarse gear

Replacement for OEM 11350-41M

Two separate coils will fire the spark plugs independently and only the spark plug of the cylinder that is on compression stroke will be fired

Cometic, cylinder head gasket set. 4-1/8" .051" MLS - 99-17 Twin Cam (excl. 14-16 Twin Cooled) with 4-1/8" big bore cylinders (NU) 970804 Includes O-ring seal. 051" thick MLS (Multi Layer Steel). Consists of a top and bottom layer of embossed stainless steel with both side coated with 250C high temperature polymer rubber layer. The inner ring(s) are also stainless steel. The gasket layers are rivited together, outside the gasket surface, for ease of installation. The outer layers are embossed and both sides coated with a 250C resitant polymer rubber layer. MLS head gaskets eliminate the use of dowel pin o