450hp 5.3L Truck Up-build Kit

(Does Not Include Engine Assembly)

Ratings based on 750cfm gas carburetor

425 FT LBS Torque

· Aluminum Intake

· MSD Timing Module (7000 Rev. Limit)

· Steel Wet 8Qt. Oil Pan

· Front Motor Mounts

· Valve Springs

· ATI Serpentine Under Drive Kit

· 550 Lift Hydraulic Roller Cam

· 1 ¾” Headers

· Installation Instructions

Recommended Part #’s (not included):

 Cast 5.3L Block #12551358

Head Only #862 or #706

Crank Forging Only #12552216

Schwanke Spec Induction Hardened Cam

Must Maintain 15” of Vacuum at Idle

Tech Rotation of PCM’s & Scanner Vacuum Check.

Sealing of Engine Track Option

Tech Rotation of PCM’s & Scanner Vacuum Check.

Sealing of Engine Track Option.

$2,499.00

Cross Over Header Option Add $100.00