Overview
Brand:
ATK High Performance Engines
Manufacturer’s Part Number:
HP291PC
Part Type:
Crate Engines
Product Line:
ATK High Performance GM 350 330 HP Stage 3 Long Block Crate Engines
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
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.
ATK High Performance GM 350 330 HP Stage 3 Long Block Crate Engines
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
Warranty