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2003 - 2006 Lingenfelter Chevrolet SSR 427 CID 

500 BHP @ 6000 RPM
530 lbs-ft of torque @ 4600 RPM

Package includes:
• Engine removal, inspection and disassembly
• Block machining and machining for sleeves
• Custom aluminum block preparation
• Darton modular sleeve assemblies
• ARP 8740 premium grade head studs
• Lingenfelter CNC ported & polished LS6 cylinder heads
• Stainless steel 2.100" hollow stem intake valves
• Stainless steel 1.57" hollow stem sodium filled exhaust valves
• Comp Cams double valve springs and titanium retainers
• 3 angle valve job, checking of spring tensions and heights
• Custom designed Lingenfelter hydraulic roller camshaft
• 1.85:1 roller rocker arms and HD pushrods
• Cloyes heavy duty timing chain set
• Lingenfelter HD rocker arm stands
• Custom forged aluminum pistons - 11.0:1 compression
• Custom forged steel crankshaft - 4.00" stroke
• Billet steel connecting rods - 6.125" long
• Computer balanced rotating assembly
• Reassembly and blueprinting of the engine
• Stainless steel exhaust by Corsa Performance
• Lingenfelter low restriction air inlet system
• Lingenfelter engine oil cooler package
• Port matched factory intake manifold & fuel injectors
• ASP underdrive pulley & Goodyear belt 
• Professional installation, testing and tuning
• Chassis dyno testing after installation
• 2 year / 24,000 mile warranty

Normal installation time required: 2 weeks with prior notification.

All power figures shown are crankshaft numbers unless otherwise stated.