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What Are the Basic Specifications for the Discontinued BP4965CT Big Block Chevrolet Engine?

If you're trying to identify a discontinued BP4965CT engine or need basic information for service, repairs, or parts ordering, this guide provides an overview of the engine's key specifications and features.

 What Is the BP4965CT Engine?

The BP4965CT is a discontinued 496 cubic inch Big Block Chevrolet (BBC) V8 that was offered as a high-performance street and muscle car crate engine.

Basic Specifications

  • Engine Model: BP4965CT
  • Displacement: 496 CID
  • Configuration: V8
  • Engine Family: Chevrolet Big Block
  • Fuel Type: Gasoline
  • Application: Street performance, muscle cars, hot rods, trucks, and custom builds
  • Status: Discontinued
What Block and Rotating Assembly Does It Use? The BP4965CT is based on a Big Block Chevrolet stroker combination.

Rotating Assembly

  • Bore: 4.310"
  • Stroke: 4.250"
  • Displacement: 496 CID
  • Performance stroker crankshaft
  • Heavy-duty connecting rods
  • Performance pistons
This bore and stroke combination is the traditional formula used to achieve 496 cubic inches. What Cylinder Heads Does It Use? Depending on production date, the BP4965CT was typically equipped with:
  • Performance aluminum cylinder heads
  • Oval-port intake runner design
  • Hardened valve seats
  • Street-performance valve sizing
Always verify casting numbers or component part numbers on the engine before ordering replacement parts. What Camshaft Does It Use? The BP4965CT utilized a hydraulic roller camshaft designed for:
  • Strong low-end torque
  • Excellent mid-range power
  • Broad street-performance powerband
  • Good drivability for street vehicles
What Fuel and Ignition Systems Were Used? Engine packages could include:
  • Carbureted intake system
  • HEI distributor
  • Mechanical fuel pump provision
  • High-performance aluminum intake manifold
Equipment may vary depending on the original engine package ordered. Important Service Information Before ordering replacement parts for a discontinued BP4965CT engine, verify:
  • Engine serial number
  • Block casting number
  • Cylinder head casting number
  • Crankshaft balance style
  • Harmonic balancer type
  • Flywheel or flexplate type
  • Camshaft specifications
  • Piston type

Because many of these engines have been modified over the years, visual inspection is recommended before purchasing internal engine components. 

 Frequently Asked Questions

Is the BP4965CT still available?

No. The BP4965CT engine has been discontinued.

What engine family is the BP4965CT?

Big Block Chevrolet (BBC).

What displacement is the BP4965CT?

496 cubic inches.

What crankshaft stroke does it use?

4.250-inch stroke.

Is this a stroker engine?

Yes. The BP4965CT is a Big Block Chevrolet stroker engine.

Can I order parts using only the model number?

No. Always verify the serial number and component specifications before ordering replacement parts.