LS Dual 1905 Springs | Titanium Retainers | Locators | Stem Seals KVSLS1D vf39 Then you need a wiring

Then you need a wiring loom to suit those bad boys

and unless you are running alloy rods

Flapper Check Valve in the following sizing -8AN

The ultimate in reliability for your valvetrain

high-performing 45mm external wastegate with a compact actuator for use in engine bays with limited space

LS Dual 1905 Springs | Titanium Retainers | Locators | Stem Seals KVSLS1D vf39 Then you need a wiring160lb at 1. 800" installed height. 425lb at 1. 125". Coil bind 1. 020". CHEVROLET LS V8. Performance Dual Spring kit. This kit features a PAC 1905 dual spring (x16), Kelford Titanium retainer (x16), steel locator spring base (x16) and Viton stem seal (x16). \nPAC 1905 is best suited to high performance street engines, or mild motorsport engines. For high performance motorsport engines Kelford recommends PAC 1204X. \n \n160lb at 1. 800" installed