Exhaust Manifold Bolts for 2001-2016 Chevy/GMC 6.6l Duramax engines equipped with aftermarket exhaust manifolds using a 1/2" flange.
Fits most cast high flow exhaust manifolds and fabbed manifolds with 3/8" to 1/2" header flanges (see photos).
Includes:
16x 12 point Grade 12.9 M10 Bolts & Washers
Fits: 2001-2016 Chevy/GMC 6.6l Duramax LB7 / LLY / LBZ / LMM / LGH / LML
*Does not fit OEM style exhaust manifolds.
*Listing does not include manifolds