Block
Seasoned aluminum LS block completely CNC machined in our state of the art CNC machining center.
Short Block Features
Remanufactured GM LS GEN4 5.3L
Aluminum block freshly bored and honed
New forged and anodized Pistons with free floating pin and plasma moly Rings
Remanufactured GM LS crank ground and polished
New top quality High Performance bearings
Remanufactured GM LS Rods
New High Performance Hydraulic Roller cam: Advertised duration 278/287, Duration @0.050” 218/227, Lift 0.523”/0.524”
New LS standard Pressure/Volume oil pump
New timing chain and tensioner
Camshaft Advertised Duration
278° Intake | 287° Exhaust
Camshaft Duration @ .050"
218° Intake | 227° Exhaust
Camshaft Lift
.523 Intake | .524 Exhaust
Heads
Remanufactured GM LS Cathedral port Aluminum heads with new performance valves, and new GM High Performance springs
OE GM roller rockers
New performance pushrods
Additional Parts Included
New crank/cam/temperature sensors
OE GM Balancer
Edelbrock Performer RPM Intake & Timing Control Module
Holley Sniper EFI
MSD LS coils and plug wires
Polished finned aluminum valve covers, 2 piece with hidden coils mounts
Low profile Z-28 OE oil pan with pickup, dip tube and stick