Skunk2 Racing Alpha Series Valve Spring Set (311-05-1380) 1604 This version turns the Raptor's

This version turns the Raptor's exhaust route into a true dual configuration

They are a direct fit to the stock catalytic converters

Simple bolt-on exchange simple installation

Silica carbide quality

BHP: 707 2021 Dodge Charger Engine: 6

Skunk2 Racing Alpha Series Valve Spring Set (311-05-1380) 1604 This version turns the Raptor'sSeat Pressure: 62 lbs at 1. 975in. Open Pressure: 220 lbs at 1. 100in. Coil Bind: 1. 000in. Must Use Skunk2 P N: 312 05 0010 (Spring Bases) to Install Dual Springs in Single Spring K Heads or to Install in F20C F22C Engines. Manufactured exclusively from super clean, chrome silicone wire milled in Japan, Skunk2's Alpha Valve Springs for Honda Acura K series VTEC engines are a product of the company's years of racing and engine building experiences. By