Lingenfelter LS7 427 CID 650 HP 11.5 Crate Engine LS7 Heads

Part Number: L130265306
Product availability: Call Sales @260-724-2552
Free Shipping: No
Lingenfelter LS7 427 CID 650 HP 11.5 Crate Engine LS7 Heads

Product Details

Lingenfelter LS7 427 CID 650 HP
11.5:1 compression ratio 93 octane fuel
GM LS7 7 L aluminum block
JE forged aluminum pistons high tensile 2618 T6 alloy
Total Seal Premium file fit rings
Callies 4340 forged steel Dragon Slayer crankshaft -58x reluctor
Oliver 4340 billet steel 6.125 I beam connecting rods
Clevite heavy duty HN rod bearings
Federal-Mogul Speed-Pro heavy duty main bearings
Lingenfelter LS 3 bolt cam conversion kit (L200175307)
GM crank gear & HD timing chain
Lingenfelter GT21 hydraulic roller camshaft (L210146006)
GM LS7 dry sump oil pump
GM keyed harmonic balancer
GM LS7 lifters, lifter guides
Corvette LS7 dry sump aluminum oil pan
C6 Corvette valley cover, valve covers
C6 Corvette rear cover
Multi-layer steel (MLS) cylinder head gaskets
GM head bolts, crank bolt
Lingenfelter CNC ported & polished LS7 cylinder heads
LPE Ferrea double valve spring kit (L230036006)
GM LS7 2.205 diameter titanium intake valves
GM LS7 1.615 diameter hollow stemmed sodium filled exhaust valves
Competition Cams HD pushrods
GM LS7 roller rocker arms, rocker arm stands, bolts
LS7 Corvette composite intake manifold - fuel rails
90 mm throttle body, electronic
50 lbs/hr at 58 psi (4 bar) fuel injectors
LS7 coils
Magnacor spark plug wires
LPE logo Koolsox wire protectors
LS9 iridium spark plugs
Lingenfelter Precision Built Engine certificate of authenticity

Component Preparation:
All internal parts de-burred, hand washed & inspected
Pistons, pins and connecting rods are pin fit
Crankshafts - computer balanced to .2 grams per inch
Chamfered oil holes & bearing surfaces micro polished
Cylinder Block align hone checked / machined
Precision honed on a Rottler HP6 with torque plates
Hand de-burred, bolt holes are checked and re-tapped
Cylinder heads precision 3 angle valve job to maximize flow & provide extended life
CC checking chamber size for correct compression, surfacing to insure deck flatness
Deburring, pressure testing, professional assembly, setting spring height
Checking all tolerances
Professional assembly & blueprinting 

Horsepower numbers shown are with dry sump oil pan & pump.  Wet sump engines will be 10 –15 HP less horsepower

Lingenfelter Precision built custom engine assemblies for street and race applications can be ordered with many additional components and features. You can select specific options to make your engine assembly exactly as you need it.

Shipping will be freight collect via least expensive way.

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