GTO 2004 LS1 > 427 CID 530 HP 7.0 L

530 BHP / 530 lbs-ft of torque

Package includes:

Engine removal, inspection and disassembly
Custom LS7 aluminum block preparation
JE forged aluminum pistons
Callies 4.000" stroke forged steel crankshaft
Manley 6.125" fully machined 4340 forged steel I-Beam connecting rods
Computer balanced rotating assembly
New GM head bolts
Lingenfelter CNC porting and polishing of LS2 cylinder heads
2.055" / 1.57" one piece stainless steel intake & exhaust valves
Competition Cams double valve springs, titanium retainers, 10 degree locks & valve stem seals
Three angle valve job, checking of spring tensions and heights
Lingenfelter designed Competition Cams hydraulic roller camshaft
High volume oil pump assembly
90mm composite intake manifold
Properly sized fuel injectors
Lingenfelter High Flow Air Intake
Reassembly and blueprinting of the engine
Professional installation, testing and tuning
Stainless steel exhaust by Corsa Performance - sport system
ATI underdrive harmonic balancer
Chassis dyno testing after installation
Excellent drivability, highway mileage not adversely affected
Lingenfelter 3 year/ 36,000 mile warranty
Lingenfelter certificate of authenticity

Package Price - $19,995.00

Options and upgrades
HD automatic transmission rebuild $2,995.00
Yank 2,800 stall torque converter $759.00

Normal installation time required: 4 weeks with prior notification.

Items on this page are not legal for sale or use on California pollution controlled motor vehicles unless they are listed with an E.O. number.