ATK SP53NB 377 Stroker Short Block

The ATK SP53NB is a new, unassembled Chevy 377 (6.2L) stroker short block with a cast iron block, 4.0-inch bore and 3.750-inch stroke, forged 4340 crank and H-beam rods, forged aluminum flat-top pistons and internal balance. Flexplate, flywheel, balancer, oil pan and timing cover are not included.

Specifications

• Brand: ATK High Performance Engines
• Part / Model Number: SP53NB
• Actual Engine Displacement: 6.2L/377
• Assembled: No
• Connecting Rod Beam Style: H-beam
• Connecting Rod Material: Forged 4340 steel
• Crankshaft Material: Forged 4340 steel
• Crate Engine Family: Chevy Small Block
• Engine Balance: Internal
• Engine Block Material: Cast iron
• Part Type: Short Block Engines
• Piston Material: Forged aluminum
• Product Line: ATK High Performance Chevy 377 Stroker Short Blocks
• Remanufactured: No
• Short Block Piston Style: Flat top

Actual Engine Displacement: 6.2L/377

Assembled: No

Brand: ATK High Performance Engines

Connecting Rod Beam Style: H-beam

Connecting Rod Material: Forged 4340 steel

Crankshaft Material: Forged 4340 steel

Crate Engine Family: Chevy Small Block

Engine Balance: Internal

Engine Block Material: Cast iron

Flexplate Included: No

Flywheel Included: No

Harmonic Balancer Included: No

Manufacturer's Part Number: SP53NB

Oil Pan Included: No

Part Type: Short Block Engines

Piston Material: Forged aluminum

Product Line: ATK High Performance Chevy 377 Stroker Short Blocks

Quantity: Sold individually.

Remanufactured: No

Short Block Piston Style: Flat top

Timing Cover Included: No

UPC: 00653517679018

NST Cargo coordination: Heavy or oversized equipment delivery is coordinated according to the product and destination address.

Delivery estimate: Timing and applicable arrangements are confirmed during checkout or by Kayros Tool support.

Returns: Contact Kayros Tool before returning an item so eligibility, condition, and instructions can be confirmed.