12pt Up Pipe Bolt Set for 6.6L Duramax Diesel W3658

Features: 1-Year Warranty Full set of 12 for both up pipes Grade 12.9 for additional strength Black coating for corrosion resistance 12 pt head for more surface area to grip to reduce chance of stripping Specifications: Condition: New Performance Part: No Shape: Round Mounting Style: Screw-In Interchange Part Number: 116121500, 840171219500, PPE Material: Steel Vintage Part: No Type: Manifold Bolts Features: 100% Accuracy of Fit, Easy to Replace Color: Black Manufacturer Part Number: RDP-DMAX-BOLTS Finish: Coated CA Proposition 65 Warning: Cancer and Reproductive Harm Mounting Hardware Included: Yes Universal Fitment: No Placement on Vehicle: Engine Compartment Brand: Rudy's Manufacturer Warranty: 1 Year Items Included: Bolt Fitment: 2001-2016 GMC Sierra 2500/3500 Duramax Diesel 2001-2016 Chevrolet Silverado 2500/3500 Duramax Diesel Notes: Direct Replacement