Cometic, cylinder head gasket set. 4.00" .036" MLS - 84-99 EVO B.T.(NU) (S&S & TP 4" BIG BORE) 902257 Mounting on tubes with round

Mounting on tubes with round (two tubes needed) diameter of 12 - 28 mm or square diameter of 12 - 18 mm

Direct replacement for the stock upper rocker covers

The Original vest with zipper has inside and outside pockets closed by zipper

Knurled for extra grip in the riser area

No turn signal mount holes

Cometic, cylinder head gasket set. 4.00" .036" MLS - 84-99 EVO B.T.(NU) (S&S & TP 4" BIG BORE) 902257 Mounting on tubes with round. 036" 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