1.500 NexTek Dual Valve Springs 2013-bmw-750i-xdrive-esi8000715 Fuel Additive - Heavy Duty

Fuel Additive - Heavy Duty - Cleaner / Lubricant / Protectant - 1 gal Jug - Gas / Oil - Each

Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Black Oxide - GM LS-Series - Kit

5 in ID - 18 in Length - 50 lb/in Spring Rate - Steel - Copper Powder Coat - Each

03 in Opening - 1-1/4-12 in Thread - Weld-On - Steel Bung - O-Ring - Knurled Grip - Aluminum - Natural - Kit

042 in Compression Thickness - Steel Core Laminate - Gen VI - Big Block Chevy - Each

1.500 NexTek Dual Valve Springs 2013-bmw-750i-xdrive-esi8000715 Fuel Additive - Heavy DutyValve Spring NexTek Dual Spring 800 lb in Spring Rate 1. 130 in Coil Bind 1. 500 in OD Set of 16