PAC Racing Springs 1200 Series Drag Race Dual Valve Spring - 644 lb. - 1.150 in Coil Bind - 1.550 in OD AEB5M429HC-010 1310 u/joint size

1310 u/joint size

the system is mandrel bent for maximum performance and includes specially selected mufflers to support the performance image of the car

5/16 in ID

shop wall or pit cart

but require a special key tool for installation and removal

PAC Racing Springs 1200 Series Drag Race Dual Valve Spring - 644 lb. - 1.150 in Coil Bind - 1.550 in OD AEB5M429HC-010 1310 u/joint sizeProduct Description: Valve Spring 1200 Series Drag Race Dual Spring 644 lb in Spring Rate 1. 150 in Coil Bind 1. 550 in OD Sold Individually 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