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1997 - 2004 600 Horsepower Corvette 427 CID Engine Package

Price: $18,995.00
1997 - 2004 21st Century Muscle Cars Corvette
427 CID LS1, LS6 Engine package
Darton sleeved factory  LS1 block

600+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
• 21CMC CNC ported and polished 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
• Port matched intake manifold, 90 MM throttle body & fuel injectors
• NGK V-Power spark plugs
• Cold Air Intake
• Stainless long tube headers
• High flow cats and crossover pipes
• Chassis dyno testing after installation


Normal installation time required: 3 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
All power figures shown are crankshaft numbers unless otherwise stated.