C5 Corvette 383 CID LS1 LS6 475 HP 1997-2004

Product Details

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475 BHP / 450 lbs-ft of torque

Package includes:
- Engine removal, inspection and disassembly
- Custom LS block preparation
- Lingenfelter CNC porting & polishing of cylinder heads
- Lingenfelter double valve springs, titanium retainers
- Stainless steel intake & exhaust valves
- Three angle valve job, checking of spring tensions and heights
- Lingenfelter GT11 hydraulic roller camshaft
- JE 2618 alloy forged aluminum pistons
- Oliver 4340 billet steel I-Beam connecting rods
- Callies 4340 forged steel crankshaft - 4.00" stroke
- Total Seal file fit rings, heavy duty rod & main bearings
- Head gaskets & head bolts
- Computer balanced rotating assembly
- Reassembly and blueprinting of the engine
- Ported LS1 throttle body
- Port matched intake manifold
- Blackwing washable air inlet system
- All necessary gaskets, fluids and bolts
- Professional installation, testing and tuning
- Chassis dyno testing after installation
- Lingenfelter 3 year / 36,000 mile warranty
- Excellent drivability, highway mileage not adversely affected
- Lingenfelter certificate of authenticity

Automatic transmission HD rebuild - $2,995.00

Some applications may benefit from a higher stall torque converter. 99-00 models will require fuel injectors. Please ask your salesperson for details and prices.

Normal installation time required: 3-4 weeks with prior notification. Installation time may change based on current production levels. Package inclusions are subject to change without notice.

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.