Exhaust Manifold/Header Bolt Studs

For 1984-1999 Harley Big Twin Evolution, 1986+ Evolution Sportster & 1999-2017 Twin Cam Engines 

Features:

• These studs thread directly into the cylinder head for mounting exhaust headers/head pipes.
• The total length of each stud is 1-1/2".
• The threads on either side of the stud measure 5/16-24 x 3/4" & 5/16-18 x 9/16".
• Zinc Plated Studs (Pack of 4).
• Fits 1984-1999 Harley Big Twin Evolution, 1986+ Evolution Sportster & 1999-2017 Twin Cam Engines.
• Replaces HD# 16715-83

Fitment:

• For 1984-1999 Harley Big Twin Evolution, 1986+ Evolution Sportster & 1999-2017 Twin Cam Engines