Brand: ATK High Performance Engines
Manufacturer’s Part Number: SP15NB
Part Type: Short Block Engines
Product Line: ATK High Performance Chevy 377 Stroker Short Blocks
Summit Racing Part Number: HPE-SP15NB
UPC: 00653517678981
Crate Engine Family: Chevy Small Block
Actual Engine Displacement: 6.2L/377
Rear Main Seal Style: 1-piece
Crankshaft Material: Nodular iron
Piston Material: Hypereutectic aluminum
Short Block Piston Style: Dish
Connecting Rod Material: Forged 4340 steel
Connecting Rod Beam Style: I-beam
Engine Block Material: Cast iron
Main Bolt Style: 2-bolt
Main Journal Type: Chevy 350
Engine Balance: Internal/External
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.
Looking to upgrade your old engine using your existing heads? ATK high performance Chevy 377 Stroker short blocks use a 100 percent new American-made cast iron block outfitted with a Scat crank kit. All the hard work is done, you just need to finish it off. These crate engines are available with forged H-beam or I-beam connecting rods; dish top or flat top pistons; forged 4340 steel or nodular iron crankshaft; and other options.
Note: Performance short blocks are based on dyno-proven combinations built with name brand parts. Stroker engine built over size of stock stroke. Short block strapped and shipped on wooden pallet crate.