1975 CHEVROLET MONTE CARLO ATK High Performance Engines HP291PC ATK High Performance GM 350 330 HP Stage 3 Long Block Crate Engines | Summit Racing (2024)

3.5 out of 5 stars ( 5 )

Part Number: HPE-HP291PC

ATK High Performance GM 350 330 HP Stage 3 Long Block Crate Engines

Crate Engine, GM 350, Stage 3, Long Block, Internal/External Engine Balance, Cast Iron Heads, Chevy, 350, Each
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Estimated USA Ship Date: Today Estimated International Ship Date: Today



Brand:

Manufacturer's Part Number:

HP291PC

Part Type:

Product Line:

Summit Racing Part Number:

HPE-HP291PC

UPC:

00653517328848

Crate Engine Family:

Chevy Small Block

Actual Engine Displacement:

5.7L/350

Crate Engine Cylinder Head Material:

Cast iron

Engine Block Material:

Cast iron

Advertised Compression Ratio:

9.1:1

Assembled:

Yes

Engine Balance:

Internal/External

Cam Style:

Hydraulic flat tappet

Rear Main Seal Style:

1-piece

Intake Manifold Included:

Yes

Intake Manifold Style:

Carbureted

Cylinder Heads Included:

Yes

Carburetor Included:

Yes

Throttle Body Included:

No

Distributor Included:

Yes

Oil Pan Included:

Yes

Valve Covers Included:

Yes

Timing Cover Included:

Yes

Water Pump Included:

Yes

Harmonic Balancer Included:

Yes

Flexplate Included:

Yes

Flywheel Included:

No

Air Cleaner Included:

No

Spark Plugs Included:

Yes

Spark Plug Wires Included:

Yes

Computer Included:

No

Wiring Harness Included:

No

Water Pump Style:

Long

Supercharger Included:

No

Remanufactured:

Yes

Quantity:

Sold individually.

Notes:

Dipstick is located on the passenger side of the vehicle. Internal balance on the front, external balance on the rear of the crank.

Give new life to your ride with ATK High Performance GM 350 330 hp/380 lbs.-ft. Stage 3 long block crate engines. They are based on the tried-and-true small block Chevy and are built to perform right out of the box. ATK hand-assembles and balances each engine using top-quality parts to help them produce awesome power. Whether you are replacing an older, tired engine or just looking for a little more performance, ATK has you covered.

Stage 3 long block crate engines include:

* Handpicked, OE remanufactured blocks
* ATK cast iron cylinder heads
* 76cc combustion chambers
* 165cc intake runners
* 1.94 in./1.5 in. valves
* ATK dual plane Intake manifold
* OE crankshaft
* OE 5.7 in. powder metal connecting rods
* Hypereutectic flat-top pistons
* Hydraulic flat tappet camshaft
* .465 int./.488 exh. cam lift
* 224 int./234 exh. cam duration at 0.50
* 9.1:1 compression
* Distributor, spark plugs, and plug wires
* Valve covers
* Timing cover and double roller timing set
* Oil pan, pump, and pickup tube
* OE style long water pump
* Balancer and 168 tooth flexplate

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