R R3dplanet Well-Known Member Joined Apr 18, 2008 Messages 283 Reaction score 50 Jun 2, 2010 #1 Hi there. Does anyone happen to know the length of the exhaust manifold bolts for a stock 273? I think that there's two different lengths in play. I know that the thread size is 5/16"-18. Thanks!
Hi there. Does anyone happen to know the length of the exhaust manifold bolts for a stock 273? I think that there's two different lengths in play. I know that the thread size is 5/16"-18. Thanks!
