Lingenfelter LS7 427 CID 630 HP 11.5 Crate Engine LS7 Heads


Part Number: L130085306
$21,112.00
Quantity in stock: 0
Estimated shipping date: 4-5 Days
Free Shipping: No
Lingenfelter LS7 427 CID 630 HP 11.5 Crate Engine LS7 Heads
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Product Details


Lingenfelter LS7 427 CID 630 HP 570 lbs ft of torque
11.5:1 compression ratio 93 octane fuel
GM LS7 7 L aluminum block
Oliver 6.125 4340 billet steel I-Beam connecting rods
JE forged aluminum pistons high tensile 2618 T6 alloy
Total Seal Premium file fit rings
Callies 4340 forged steel Dragon Slayer crankshaft -58x reluctor
Clevite heavy duty HN rod bearings
Federal-Mogul Speed-Pro heavy duty main bearings
GM camshaft sprocket, crank gear & HD timing chain
Lingenfelter GT19 hydraulic roller camshaft
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
Competition Cams double valve springs, titanium retainers, 10 degree locks
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
Properly sized fuel injectors
LS7 coils, Magnacor plug wires, LPE logo Koolsox wire protectors, AC Delco 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

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.

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