Pro Star™ 540 CID Big Block Chevy Crate Engine (Longblock)

Pro Star™ 540 CID Big Block Chevy Crate Engine (Longblock)
• Dart™ Big M Block
• Dart™ Pro 1 Cylinder Heads
• 610 Horsepower
• 620 Torque
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Quick Overview:
This 540 CID long block crate engine is brand new and assembled with high quality components.

Contact us to learn more about this Chevy big block for sale. Order Chevy 540 BBC crate engines from Tri Star Engines today.
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Online Price: $8,995.00
540 CID Big Block engine featuring a new Dart™ Big M block. The Dressed Longblock build comes with timing cover, oil pan, harmonic balancer and polished Pro Star valve covers installed. These blocks are machined and assembled to exact tolerances with the highest quality parts.

This Pro Star™ 540 longblock is supplied with 2618 forged pistons, 4340 I-Beam rods and a Scat forged crank.

Dart™ Big M blocks have many features that make them superior to their competition including a priority main oiling system, siamese cylinder bores with extra-thick walls and a variety of other benefits (see the Block section for more details). These new Dart™ blocks are the obvious choice for serious performance and durability.
Part Number
NEW Dart™ Big M Block
Featuring upgrades including...

True Priority Main Oiling System
Siamese cylinder bores with extra-thick walls that resist cracking and improve ring seal for more power
• Extra thick decks ensure reliable head gasket seal
• Blind head bolts don't go through to water jacket
Splayed outer bolts on middle main bearing caps
• All OE bolt holes for starter, clutch ball, etc...
Short Block Features
• Deck height 9.800"
• Rods 6.385
• Stroke 4.250
• Bore 4.500
• 2618 Forged Pistons
• Scat forged crank
• 4340 Forged Rods
• Brass frost plugs
• Moly piston rings
• HP cam bearings
• Howards hydraulic roller camshaft
• Internally balanced
Camshaft Advertised Duration
290° Intake
296° Exhaust
Camshaft Duration @ .050"
237° Intake
243° Exhaust
Camshaft Lift
.634 Intake
.640 Exhaust
Dart™ Pro 1 Cylinder head castings

►325cc Intake Runner
►121cc combustion chamber volume
►2.25 stainless intake valves
►1.88 stainless exhaust valves
►Rectangular intake port shape
►Howards HP valve springs
►Howards chrome moly valve spring retainers

►Premium alloy:
       •Dart aluminum heads are cast from virgin 355-T61 aerospace alloy for superior strength and integrity.
►Manganese bronze valve guides extend cylinder head life and reduce stem wear.
►Hardened exhaust seats are compatible with unleaded gasoline
►Multi-angle intake seats and radiused exhaust seats dramatically increase airflow.
►Spark plug holes are machined for gasketed 3/4" reach plugs.
►Heart shaped 121cc chambers improve combustion efficiency.
►Raised spark plug location improves flame travel for a quicker, more complete burn, producing more power.
►Exhaust ports raised .300" to improve flow
Cast, machined and assembled in the USA
Additional Parts Included
• SFI rated harmonic balancer
• High capacity oil pan
• Chrome timing cover
• Pro Star polished aluminum valve covers
2 years, unlimited mileage
Click here for warranty overview
Crude oil, gasoline, diesel fuel and other petroleum products can expose you to chemicals including toluene and benzene, which are known to the State of California to cause cancer and birth defects or other reproductive harm.

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