US$ 28.27
and nyloc nuts
Multi-Layer Clear
STILO Helmet Screw Kit - Stilo ST5
eliminating two prime sources of leakage
Hastings 4.165" Bore Piston Rings 5/64 x 5/64 x 3/16" Thick Standard Tension Moly - 8 Cylinder Ear Buds & Helmet Speakers and nyloc nutsProduct Description: Piston Rings 4. 165 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Steel Plasma Moly 8 Cylinder For nearly 100 years, Hastings has earned its reputation as a leader in piston ring technology.