Coolant Crossover Kit
Never worry about airpockets again!
PRP’s new plumbing kit includes all of the necessary parts to complete a 4 corner water crossover on your LS engine. Each kit comes complete with #4 hose and #4 fittings to fully plumb your kit the way you want it. All necessary hardware and O-rings included. All fittings made from billet aluminum and are black anodized for corrosion protection.