Item # 22652 BRAND: ATK Engines

ATK Chevy 383 Stroker Engine 415HP Mid Dress HP94M

ATK Chevy 383 Stroker Engine 415HP Mid Dress HP94M
ATK Chevy 383 Stroker Engine 415HP Mid Dress HP94M
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ATK Chevy 383 Stroker Engine 415HP Mid Dress HP94M

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ATK Chevy 383 Stroker Engine 415HP Mid Dress HP94M

Product Overview:

Description

This ATK HP94M Chevy 383 Stroker 420HP Mid Dress Engine will provide the powder and performance you need.

Engine Specifications:

  • Horsepower: 420 @ Crank
  • Torque: 465 ft/lbs @ Crank
  • Block: OE roller block 4 bolt main 1pc seal 1996-2000
  • Bore/Stroke: 4.040 x 3.750
  • Displacement: 383 C.I.D.
  • Crankshaft: Scat Nodular Iron external balance rear of crank/internal balance front of the crank
  • Connecting Rods: Scat I Beam 5.7” Rods with ARP 8740 Bolts
  • Pistons: Hypereutectic 9.7:1 Compression
  • Piston Rings: Moly Rings
  • Compression Ratio: 9.7:1 Compression
  • Camshaft: Hydraulic Roller
  • Camshaft Specifications: 220/224 @050 .528in/.536ex 112LSA
  • Camshaft Bearings: Installed & Clocked to OEM Position
  • Cylinder Heads: ATK High Performance aluminum with 2.020 in. /1.600 ex. valves
  • Freeze Plugs: Brass Installed & Sealed
  • Rocker Arms: Stamped Steel 1.6 Ratio
  • Oil Galley Plugs: Installed & Sealed
  • Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some corvettes and 62-67 chevy II’s)
  • Weight: 375

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.



Don't forget the engine paint!
Engine Paint

Warranty

Click Here to view ATK Engines Warranty

Specifications

Engine Information:

• Oil Filter: Wix or K&N Recommended Per Your Application
• Fuel Delivery: Quick Fuel Carburetor 680cfm #HR-680-VS
• Intake Manifold: Weiand Stealth Dual Plane #8150
• Spark Plugs: Autolite #3923
• Spark Plug Gap: .035''
• Harmonic Balancer/Damper: POWERBOND Externally Balanced 8" #PB1046-N
• Flex Plate / Flywheel: Externally Balanced 168 Tooth
• Timing: 34-36 Degrees
• Water Pump: Long Water Pump
• Firing Order: 1 8 4 3 6 5 7 2
• Fuel Pump: Holley 110GPH Mechanical #12-327-11l
• Ignition: MSD HEI #8362

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 & Handling

Shipping is free and lift gate will be provided.

In the Box

Contents

ATK High Performance GM 383 415 HP Mid-Dress Engine

Guides & Accessories

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Questions & Answers

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ATK Chevy 383 Stroker Engine 415HP Mid Dress HP94M
$5,375.27
In Stock