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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 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 |
Contents
ATK High Performance GM 350 Supercharged 500 HP Stage 3 Long Block Crate Engines
Specifications
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.
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
Shipping Instructions
Shipping is free and lift gate will be provided.
Eastwood Offers Free Lifetime Technical Support
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WARNING - Cancer and Reproductive Harm - www.P65Warnings.ca.gov