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1997 - 2004 21st Century Muscle Cars Corvette
427 CID LS1, LS6 package
Darton sleeved factory  LS1 block

575+BHP/ 550 lbs-ft of torque

Package includes:

• Engine removal, inspection and disassembly 
• Block machining and boring for sleeves 
• Custom aluminum block preparation 
• Darton modular sleeve assemblies 
• ARP 8740 premium grade head studs 
• Lingenfelter CNC porting and polishing of cylinder heads 
• Comp Cams double valve springs, titanium retainers, locks & seals 
• Stainless steel 2.08" intake valves 
• Stainless steel 1.57" exhaust valves 
• Three angle valve job, correct setting of spring tensions 
• Custom Competition Cams hydraulic roller camshaft
• Competition Cams HD pushrods
• JE forged aluminum pistons 
• Callies 4340 forged steel crankshaft - 4.00" stroke 
• Manley fully machined, 4340 forged connecting rods - 6.125" long 
• Computer balanced rotating assembly 
• Reassembly and blueprinting of the engine 
• High Volume oil pump
• Fast composite intake manifold, 90 MM throttle body & fuel injectors 
• ASP underdrive pulley & Goodyear belt 
• Blackwing washable air inlet system
• Stainless long tube headers
• High flow cats and crossover pipes 
• Chassis dyno testing after installation
• 21st Century Muscle Cars 2 year / 24,000 mile warranty 

1997 - 2004 Package Price $19,995.00

Lingenfelter engine oil cooler package $1,195.00
HD Automatic transmission rebuild 2,995.00

Some applications may benefit from a higher stall torque converter. Please ask your salesperson for details and prices.

Normal installation time required: 4-5 weeks with prior notification.

All power figures shown are crankshaft numbers unless otherwise stated.

 

 
Terms of use          1.972.417.7177 : 2530 tarpley rd. #800 : carrollton  tx  75006