+3 16x Aftermarket Manifold 12 Point Bolts for 6.6l Duramax Chevy GMC 01-16 LB7-LML KB-AEMBK-6.6l $29.95 In stock Quantity: 1 Add to Bag Product Details MPN: KBDP-6.6l-TUPK 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 Save this product for later Favorite