PAC Racing Springs Mini 8 Degree Valve Lock - 5/16 in Valve Stem - Standard Height - Black Oxide (Set of 16) PAC-L8137-16 Edge Can be converted to left

Can be converted to left or right side air

Flows up to 12 GPM

Black Anodized CNC Machined Aluminum ComponentsVehicle Applications: Ford F-150: 2004 - 2020Vehicle Applications: Ford F-150: 2004 - 2020

and R80402-1

Intake Duration 220

PAC Racing Springs Mini 8 Degree Valve Lock - 5/16 in Valve Stem - Standard Height - Black Oxide (Set of 16) PAC-L8137-16 Edge Can be converted to leftProduct Description: Valve Lock Mini 8 8 Degree 5 16 in Valve Stem Standard Height Steel Black Oxide Set of 16 Traditional Springs are made from the same size (Diameter) wire throughout the helix of the spring. PAC Racing Springs has partnered with technology leaders in order to provide this advanced new tapered wire product. Tapered wire allows for a true progressive and dual rate without reducing spring travel and increasing weight from traditional