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Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
3400 Notes:
Regal customer note: If you are looking to purchase our ZZP stage 2 kit our ZZP 3" Regal catback will NOT fit
125# springs have the same spring rate as the 105's but the seat pressure is higher
5 Ohms / High Impedance / High-Z (No ECM driver modifications required)
Comp Cams Valve Springs Spring Rate:105 lb 3400 Notes:Safely increasing cam lift or maximum engine RPM can require new valve springs. On the 3800 we use LS1 beehive valve springs which means that when running new springs you will also need the beehive style LS1 retainers. 105# springs 105# @ 1. 800" Open 293# @ 1. 200" Spring rate 313# Coil bind 1. 140" 125# springs 125# @ 1. 800" Open 367# @ 1. 150" Spring rate 373# Coil bind 1. 100" 136# springs 136# @ 1. 800" Open 412# @ 1. 170" Spring rate 438# Coil
