Overview Reviews Product Description Merchant Automotive 10196 Valve Cover Bolt Kit for GM Duramax 6.6L Merchant Automotive 10196 Product Videos Custom Field Product Reviews Write a Review Write a Review × Merchant Automotive Merchant Automotive 10196 Valve Cover Bolt Kit for GM Duramax 6.6L Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *