ATK Chevy 350CI Blower Engine 500HP Complete HP38C

Item #22595

Made in the USA
ATK Chevy 350CI Blower Engine 500HP Complete HP38C
ATK HP38C Chevy 350CI Blower Engine 500HP
* ** THIS ITEM IS TEMPORARILY OUT OF STOCK *** FREE SHIPPING on ATK Engines. This item ships directly from the manufacturer and is not available for store pickup. Some engines are made-to-order or can be backordered. Delivery can be delayed up to 5 to 6 weeks but typically ship within 2 weeks.
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Don't forget the engine paint!

The ATK HP38C Chevy 350CI Blower Engine is hand-built and balanced to deliver smooth operation. Its aluminum cylinder heads enhance performance and the forged crankshaft and forged pistons assure durability. This long block engine includes carburetor, distributor, oil pan, valve covers, timing cover, water pump, harmonic balancer, flexplate, spark plug and spark plug wires.

ATK specializes in muscle. With the highest quality internal parts and Dyno Proven combinations of every engine built, ATK is able to add the most bang for your buck and back it up with an industry leading warranty.

Engine Paint

Engine Specifications:

Horsepower 500
Torque 494 lb/ft
Block Seasoned OE 4 Bolt Main 1pc Seal Roller Block P/S Dipstick
Bore/Stroke 4.040 x 3.480
Displacement 350 C.I.D.
Crankshaft Scat 4340 Forged 3.480" Stroke Externally Balanced Rear/Internal Front 1pc.
Connecting Rods Scat 4340 Forged H Beam 5.700" ARP 8740 Bolts
Pistons Forged Dished
Piston Rings Moly Rings
Compression Ratio 8.5:1 Compression
Camshaft Hydraulic Roller
Camshaft Specifications 220/224 @050 .528in/.536ex 112LSA
Camshaft Bearings Installed & Clocked to OEM Position
Cylinder Heads Dart SHP Aluminum 64cc/180cc 2.02/1.60
Freeze Plugs Brass Installed & Sealed
Rocker Arms Aluminum 1.6 Full Roller
Oil Galley Plugs Installed & Sealed
Oil Pan OE 5qt.
Weight 500


ATK High Performance GM 350 Supercharged 500 HP Stage 3 Long Block Crate Engines


Engine Information:
Oil 10W30
Oil Filter Wix or K&N Recommended Per Your Application
Fuel Delivery Quick Fuel 750cfm Blower Carburetor #Q-750-B1
Intake Manifold With Weiand 177 Supercharger Kit
Supercharger Kit 177 Weiand Polished #6506-1
Spark Plugs Autolite #3923
Spark Plug Gap .035"
Harmonic Balancer/Damper POWERBOND Internally Balanced 8" #PB1046-N
Flex Plate / Flywheel Externally Balanced 168 Tooth
Timing Tune for Supercharger
Water Pump Short Water Pump Only
Firing Order 1 8 4 3 6 5 7 2
Exhuast 1 3/4 Headers
Fuel Pump Holley 110GPH Mechanical #12-327-11
Fuel 91+ Octane
Ignition MSD HEI #8362
Automatic Transmission Stall Converter 2500-2800

Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. It is the customer’s responsibility to verify components will work for their application. Some modifications to the vehicle may be required using these and or other aftermarket parts.

Shipping Instructions

Shipping is free and lift gate will be provided.

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