Piston incl

This symmetrical Progressive Suspension monotube fork spring kit requires no modification to forks

More power across RPM range

Muffler body is 3 1/2" diameter and flare out to 4" diameter

Allows connecting a regular 1/4" I

Cometic Head Gasket .040 thick Pair Offset-delar Piston inclMLS (Multi Layer Steel). Consists of a top and bottom layer of stainless springsteel which is covered by high temperature rubber on both sides. The inner ring is also stainless steel. These 3 layer gaskets are rivited together, outside the gasket surface, for ease of installation. MLS head gaskets eliminate the use of dowel pin o rings. Fits: > 84 99(NU)B. T.(excl. Twin Cam); 88 21 XL1200 (excl. 08 12(NU)XR1200)