Comp Cams Valve Springs Spring Rate:105 lb Regal customer note: If you

Regal customer note: If you are looking to purchase our ZZP stage 2 kit our ZZP 3" Regal catback will NOT fit

For example but not limited to 97-03 Grand Prix

5" tensioner pulley (stock is 3") will allow you to reuse your stock belt with a 3

2011 CHEVROLET CRUZE 1LT

Turn the engine over so that one valve on a cylinder is open

Comp Cams Valve Springs Spring Rate:105 lb Regal customer note: If youSafely 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