
Cylinder Head for GM Cars. OEM and Customized Service: Full customization available for auto parts including cylinder heads and crankcases. 24 Months Warranty: Comprehensive 24-month warranty coverage for all mechanical defects. ISO 9001 & TS16949 Certified: Manufacturing strictly managed under ISO 9001 and TS16949 quality standards. Aluminum Alloy Material: High-quality aluminum alloy die casting ensures durability and performance. Advanced Manufacturing Capacity: Annual capacity of 3000 tons with 30+ CNC machining centers and 7 die casting machines. Comprehensive Quality Control: Includes chemical checking, NDE, mechanical testing, and final dimension inspection. Flexible Payment Terms: Accepts T/T, L/C, and PayPal with negotiable terms based on customer level.