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![ProSeries Short Block Plus Crate Engine Assembly [GM LS 427 ci Stroker 58x Reluctor]](https://www.jegs.com/images/mini_750/100/138/138-psls4270sp.jpg)
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BLUEPRINT ENGINESPART NUMBER: 138-PSLS4270SP
ProSeries Short Block Plus Crate Engine Assembly [GM LS 427 ci Stroker 58x Reluctor]
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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Chevy LS
ProSeries Short Block Plus Crate Engine AssemblyGM LS 427 ci Stroker w/58x Reluctor 6.2L Aluminum Block Forged Rotating Assembly Includes Cam, Oil Pan, Timing Cover & Balancer
Short Block Plus Information
- New 6.2L aluminum block
- 58x crank reluctor
- Forged crankshaft
- 4.125 in. stroke
- Forged connecting rods
- 6.125 in. length
- Forged 2618 alloy high-strength pistons
- 4.070 in. bore
- -8 cc volume yields 11.1:1 compression with 70 cc heads
- Performance coating
- Roller Cam Specs
- Lift: .624 in. Intake / .624 in. Exhaust
- Duration at .050: 239-degrees Intake / 255-degrees Exhaust
- Lobe Separation (LSA): 114-degrees
Notes
- Retrofit oil pan fits most 1955-1995 GM rear-wheel-drive V8 cars
- Requires a non-weighted flexplate or flywheel
- Corvette style balancer
- Recommend a 2200+ RPM stall converter
- Not for EGR
- Warranty 30-month / 50,000 miles
Durable Assembled Short Blocks for High-Performance Engine Builds
Blueprint Engines, Forged Short Block engines are the foundation for your next high-performance engine build. These Chevy short block engines are square and parallel decked. Engines are balanced to within 2 grams, have align-honed main bearing bores, and computer-honed cylinders to .0002 in. for straightness. Whether your next project is a race car, hot rod, or truck, with over 20 years in the high-performance engine business. You can trust Blueprint Engines, Forged Short Block engines will supply you with the horsepower you are looking for!
Part TypeEngine Short Block
Product LineBlueprint Engines Forged Steel Crankshaft Short Block Assemblies
BrandBLUEPRINT ENGINES
Package Height27.0
Package Width30.0
Package Length38.0
Weight350.0 PG
Part CategoryPerformance Parts
Crankshaft MaterialForged 4340 steel
Engine Block MaterialAluminum
Connecting Rod MaterialForged 4340 steel
Harmonic Balancer IncludedYes
QuantitySold individually
Flexplate IncludedNo
AssembledYes
Main Bolt Style6-bolt
Intake Manifold IncludedNo
Flywheel IncludedNo
Engine BalanceInternal
Oil Pump IncludedYes
Camshaft IncludedYes
Rear Main Seal Style1-piece
Piston MaterialForged aluminum
Cam Bearings IncludedYes
Oil Pan IncludedYes
Actual Engine Cid427
Timing Cover IncludedYes
Lifters IncludedNo
Engine Stroke4.125 in (104.775 mm)
Bore4.065 in (103.251 mm)
Package Qty1
Package TypeEA
No Questions
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