Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances.

Each set includes a set of single valve springs, retainers, and titanium spring seats.

Spring Specifications:

• Type: BC1220 Single 
• Free Length: 1.731" 
• Seat: 1.425" @ 80 lbs 
• Open: 0.990" @ 192 lbs 
• Coil Bind: 0.900" 
• Retainer: BC2200 
• Spring Seat: OEM 
• Net Cam Lift: 0.450" / 11.43mm

Fits:

• 2004-2015 Nissan Titan (VK56DE)
• 2005-2015 Nissan Armada