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Pontiac GTO 403 LS2
2005 - 2006 LS2

510 BHP / 500 lbs-ft of torque

Package includes:
• Engine removal, inspection and disassembly 
• Callies 4.000" stroke forged steel crankshaft 
• JE 4.005" forged aluminum pistons
• Manley 6.125" fully machined, 4340 forged steel connecting rods 
• Computer balanced and blueprinted 
• Lingenfelter CNC ported & polished LS2 cylinder heads 
• 2.055" / 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 dual valve springs, titanium retainers 
  10 degree locks, valve seals and HD pushrods 
• Lingenfelter designed Competition Cams hydraulic roller camshaft 
• High volume oil pump assembly 
• Ported & polished throttle body 
• 160 degree thermostat
• 90 mm composite intake manifold
• Corsa stainless steel cat back exhaust - sport system 
• Lingenfelter High Flow Air Intake 
• Properly sized fuel injectors 
• All necessary gaskets, fluids & bolts 
• Professional assembly & engine installation 
• Engine testing & expert PCM tuning 
• Chassis dyno testing before & after installation 
• Excellent drivability, highway mileage not adversely affected 
• 21st Century Muscle Cars 2 year/ 24,000 mile warranty 

Package price $15,495.00