Description
Overview
Brand: ATK High Performance Engines
Manufacturer’s Part Number: SP45
Part Type: Short Block Engines
Product Line: ATK High Performance Chevy 598 Dart Race Series Short Blocks
Summit Racing Part Number: HPE-SP45
UPC: 653517258145
Crate Engine Family: Chevy Big Block
Actual Engine Displacement: 9.8L/598
Rear Main Seal Style: 2-piece
Crankshaft Material: Forged 4340 steel
Piston Material: Forged aluminum
Short Block Piston Style: Flat top
Connecting Rod Material: Forged 4340 steel
Connecting Rod Beam Style: H-beam
Engine Block Material: Cast iron
Main Bolt Style: 4-bolt
Main Journal Type: Chevy 454
Deck Height (in.): 10.200 in.
Engine Balance: Internal
Oil Pan Included: No
Timing Cover Included: No
Harmonic Balancer Included: No
Flexplate Included: No
Flywheel Included: No
Assembled: Yes
Remanufactured: No
Quantity: Sold individually.
ATK High Performance Chevy 598 Dart Race Series Short Blocks
Big power requires a solid foundation, so start your next build with one of these ATK High Performance Chevy 598 Dart Race Series short blocks. These short blocks are built, balanced, and blueprinted to be the strongest and most reliable short blocks available for your race car or hardcore street car.
ATK blocks feature:
* Dart Big M 10.2 block
* Aligned and honed main bores
* 4340 forged crankshaft
* 4.50 in. stroke
* 4340 forged H-beam connecting rods
* Forged flat-top pistons
Applications
Make: CHEVROLET
Engine Type: V8
Engine Size: 9.8L/598
Engine Family: Chevy big block Mark IV
Fitment and ordering notes
- Confirm the exact model, part number, configuration, dimensions, and application against the information shown in this listing.
- Review the product images and listed attributes before ordering; fitment can vary by vehicle, equipment, year, and installation setup.
- Contact X Factor Motorsport for availability, fitment, product questions, or freight guidance before purchase.
