Shop › LS Zinc Exhaust Manifold Bolts (Header Bolts) Image 1 of 1 LS Zinc Exhaust Manifold Bolts (Header Bolts) $4.99 Speed Engineering LS Zinc Exhaust Manifold Bolts (Header Bolts)Features Include:8.8 Zinc Flange Bolts12 Qty Included Quantity: Add To Cart Added! Speed Engineering LS Zinc Exhaust Manifold Bolts (Header Bolts)Features Include:8.8 Zinc Flange Bolts12 Qty Included