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21st Century Muscle Cars Pontiac
GTO
2005 - 2006 LS2
6.0 L Engine package
490 BHP / 440 lbs-ft of torque
Package includes:
• Engine removal, inspection and cleaning for assembly
•
Lingenfelter CNC ported & polished LS2 cylinder heads
•
2.02 / 1.57" one piece stainless steel intake & exhaust valves
•
Three angle valve job, hand blending of valve seats
•
CC chambers, surface, set spring heights and assembly
•
Competition Cams double valve springs, titanium
retainers
10 degree locks & seals
•
Lingenfelter designed Competition Cams hydraulic roller camshaft
•
Modified LS2 oil pump assembly
•
Lingenfelter ported & polished throttle body
•
160 degree thermostat
•
Corsa stainless steel cat back exhaust
•
ASP underdrive pulley system
•
Professional assembly & engine installation
•
Lingenfelter high flow air intake system
•
All necessary gaskets, fluids & bolts
•
Professional assembly & engine installation
•
Engine testing & expert ECM tuning
•
Chassis dyno testing before & after installation
•
21st Century Muscle Cars 2 year/ 24,000 mile warranty
•
Excellent drivability, highway mileage not adversely affected
366 CID LS2 490 HP Package - $7,895.00
*Includes automatic transmission shift improvements.
Normal installation time required: 2 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.
|
HD automatic transmission rebuild |
$2,595.00 |
| Yank 2,800 stall torque
converter |
$759.00 |
| Heavy duty single disc clutch assembly |
$520.00 |

Normal installation time 2 weeks with
prior notification.
All power figures shown are crankshaft
numbers unless otherwise stated.

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