As with any new exhaust

V-Twin Specific Formula: Formulated from superior petroleum stocks and combined with the most advanced anti-wear and anti-carbon additive systems available

Superior Strength: Forged from 6061-T6 aluminum for maximum durability and safety

Chrome Plated Acorn Stem Nut High Crown 1-24 thread Fits Harley '74 Stem

- Fits 2006 and Up Harley Dyna Models with decorative trim on the battery cover

#2069-5 Rear Axle Adjuster Kit 1930-1936 Harley-Davidson 74/80 Twins - CAD Plated Subcategory_Tappet Components As with any new exhaustCAD plated bolts OEM# 2826 30, parkerized collar OEM# 3011 30 and parkerized nuts OEM# 0129 fit 1930 36 74 & 80 Twins. Made in Ohio, USA.