Speed Engineering Rear Shock Extensions for 1999-2006 GM TruckSuspension Speed Engineering chassis and suspension components are designed and tested to create a high strength, durable product, with great fitment. Our manufacturing process employ automated tubing benders, CNC machining, and laser cut components. Features Include: Easy Installation Sold as Pairs Hardware Included Works on 6" 8" Rear Lowering Kits Corrects shock angle Helps prevents shocks from fully compressing Vehicle Applications: 1999 2006

These camshafts have been extensively tested against our competitors' designs

shorter pedal (in most cases) due to the increased cylinder bore

With offerings for 4

625" Lift Beehive Valve Springs

Part Number BTR31824100 Cam Type Naturally Aspirated Brand Brian Tooley Racing Engine Type GM Truck (Gen III/IV) Cam Style Hydraulic Roller Lift

you must tee into the heater hose ahead of these fittings

Tuning is required for installation

Aeromotive EFI regulator

PCV can set up with -8

the Digital 6AL delivers over 530 volts to the coil with up to 135mJ of spark energy for every firing

USB Keyboard and Mouse functionality makes it quick and easy to setup new layouts

99-13 GM Truck Applications