Product Summary

Deluxe Crate Engine Crate Engine Type, Oil Pan Included

  • Ford Windsor Crate Engine Family
  • Year Range: 1999-2007
  • Bore/Stroke: 3.903” x 4.000”
  • Displacement (cu.in): 383
  • Manley 4340 Forged Crankshaft
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Key Specs

Crate Engine TypeDeluxe Crate Engine
Compression Ratio10.1:1
Engine Displacement408 cu. in.
Camshaft TypeHydraulic Flat Tappet
Cylinder Head MaterialAluminum
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Need To Know

Made to Order

This custom item will ship when completed

Truck Shipment

Truck shipments must be pre-paid with a credit card, certified check or money order

Quick and Easy Returns

Return Policy

ATK Engines HP21C Details

Engine Specifications:

  • HP: 430
  • TQ: 500
  • Block: Seasoned OE roller block 1993-1997
  • Bore/Stroke: 4.040 x 4.000
  • Displacement: 408
  • Crankshaft: Scat nodular iron internal balance
  • Rods: Scat 4340 forged I beam with ARP 8740 bolts
  • Pistons: Forged 10.1 compression
  • Rings: Moly
  • Camshaft: Hyd. Roller
  • Cam Specs: 220/224 @50 .512in/.512ex 112LSA
  • Timing Chain: Double roller
  • Cylinder Heads: Dart pro 1 aluminum 58cc/170cc 2.02/1.60
  • Rocker Arms: Aluminum 1.6 roller rockers
  • Oil Pan: Front sump
  • Oil Pump: Melling high volume
  • Balancer: Internal balance
  • Flexplate/Flywheel: Internal balance 164 tooth
  • Intake Manifold: Edelbrock performer RPM dual plane #7181
  • Distributor: Pro billet (upgraded melonite gear)
  • Water Pump: Early RH inlet standard rotation
  • Carburetor: Quick Fuel 780CFM vacuum secondary’s electric choke #HR-780
  • Fuel Pump: Mechanical fuel pump
  • Spark Plugs: Autolite #3923
  • Spark Plug Wires: 8mm

 

Engine Info:

  • Oil: Conventional / Non Synthetic 10W30
  • Oil Filter: Wix or K and N per application
  • Timing: 34-36 Degrees
  • Spark Plug Gap: .035”
  • Firing Order: 13726548
  • Octane: 91+
  • Stall Converter: 2200-2500
  • Exhaust: 1 5/8 – 1 3/4 Headers

 

 

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 in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. ATK reserves the right to substitute parts used in engines if necessary.

CARB Warning

Follow EPA, CARB, and state regulations for engine changes

Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine

ATK Engines HP21C Specifications

KEY SPECS
MFG. Part #HP21C
BrandATK Engines
Crate Engine TypeDeluxe Crate Engine
Compression Ratio10.1:1
Engine Displacement408 cu. in.
Camshaft TypeHydraulic Flat Tappet
Cylinder Head MaterialAluminum
Piston MaterialForged Aluminum
Carburetor IncludedYes
Intake Manifold IncludedYes
Distributor IncludedNo
Valve Covers IncludedYes
Cylinder Heads IncludedYes
Throttle Body IncludedNo
Timing Cover IncludedYes
Oil Pan IncludedYes
Water Pump IncludedYes
Harmonic Balancer IncludedYes
Flexplate IncludedNo
Flywheel IncludedNo
Air Cleaner IncludedNo
Spark Plugs IncludedNo
Spark Plug Wires IncludedYes
Computer IncludedNo
Wiring Harness IncludedNo
GENERAL
Combustion Chamber Volume58cc
Camshaft Duration (.050 in)220° intake / 224 ° exhaust
Bore x Stroke (in)4.040" x 4.00"
Material TypeIron
GTIN Code00653517260100
Sold in QuantityEach

Questions & Answers

Fitment

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