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![ProSeries Short Block Crate Engine Assembly [Big Block Chevy 598 ci]](https://www.jegs.com/images/mini_750/100/138/138-ps5980.jpg)
Vehicle Info NeededBLUEPRINT ENGINESPART NUMBER: 138-PS5980
ProSeries Short Block Crate Engine Assembly [Big Block Chevy 598 ci]
$7,03999
Truck Freight
Ships on Sep 15, 2026
Lowest Price GuaranteeChevy Big Block
ProSeries Short Block Crate Engine AssemblyBig Block Chevy 598 ci Fully Forged Rotating Assembly 4-Bolt, 1-Piece Rear Main, Cast Iron Block Standard Deck Height
Short Block Information
- New BluePrint cast iron block
- 4-bolt mains
- 1-piece rear main seal
- 4.600 in. bore
- 4.500 in. stroke
- Standard deck height
- Forged rotating assembly (crankshaft, connecting rods, pistons)
- 6.480 in. length H-beam rods
- The compression ratio with 117 cc heads is 10.5:1
Notes
- 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 Height34.0
Package Width35.0
Package Length44.4
Weight420.0 PG
Part CategoryPerformance Parts
Crankshaft MaterialForged 4340 steel
Engine Block MaterialCast iron
Connecting Rod MaterialForged 4340 steel
Harmonic Balancer IncludedNo
QuantitySold individually
Flexplate IncludedNo
AssembledYes
Connecting Rod Beam StyleH-beam
Main Bolt Style4-bolt
Deck HeightStandard deck
Flywheel IncludedNo
Engine BalanceInternal
Rear Main Seal Style1-piece
Piston MaterialForged aluminum
Oil Pan IncludedNo
Timing Cover IncludedNo
Engine Stroke4.5 in (114.3 mm)
Package Qty1
Package TypeEA
No Questions
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