Water Pump WP501 for 2007-2014 Chevrolet GMC Truck SUV 4.8L 5.3L 6.0L 6.2LWWater Pump for GM Trucks SUVs

Includes Timing Chain

2011 GMC Yukon 5

XFI™ NSR (NO SPRINGS REQUIRED) Hydraulic Roller Swinging/Finger Follower Camshafts

-beehive design

This is achieved with less spring pressure for better valve control and reduced weight of both the spring and retainer

One piece construction 4130 chromoly steel tubing

Material: 4130 steel

no piston change or valve relief machining necessary

Ultra-Gold ARC Rockers

enough to tell it’s NOT Stock

this cam is sure to add some heat to your build

This camshaft is designed for those who want to run an D1/P1 Procharger