Give a drastic boost in performance to your ride with this ATK HP21M Ford 408 Stroker Engine 430HP Mid Dress. Hand built by experts, it offers a whopping 500 ft.lb torque and 430 horsepower to pull anything with ease. This crate engines creates optimal vacuum to work perfectly well with power brakes.
- Horsepower: 430
- Torque: 500 lbs./ft.
- Block: Seasoned OE Roller Block
- Bore/Stroke: 4.040 x 4.000
- Displacement: 408 C.I.D.
- Crankshaft: Scat Nodular Iron 4.000" Stroke 1 Piece Internally Balanced
- Connecting Rods: Scat 4340 Forged I Beam 6.200" ARP 8740 Bolts
- Pistons: Forged Dish W Valve Reliefs
- Piston Rings: Moly Rings
- Compression Ratio: 10.0:1 Compression
- Camshaft: Hydraulic Roller
- Camshaft Specifications: 220/224 @050 .512in/.512ex 112LSA
- Camshaft Bearings: Installed & Clocked to OEM Position
- Cylinder Heads: Dart Pro 1 aluminum 58cc/170cc 2.02/1.60
- Freeze Plugs: Brass Installed & Sealed
- Rocker Arms: Billet Aluminum 1.6 Full Roller
- Oil Galley Plugs: Installed & Sealed
- Oil Pan: OE 5qt. Front Sump
- 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.
ATK High Performance Ford 408 Stroker 430 HP Stage 2 Long Block Crate Engines
•Oil Filter: Wix or K&N Recommended Per Your Application
•Fuel Delivery: Quick Fuel Carburetor 780cfm #HR-780-VS
•Intake Manifold: Edelbrock Performer RPM Dual Plane #7181
•Spark Plugs: Autolite #3923
•Spark Plug Gap: .035"
•Harmonic Balancer/Damper: Professional Products Internally Balanced Weight Must Be Removed #80006
•Flex Plate / Flywheel: Internally Balanced 164 Tooth
•Timing: 34-36 Degrees Total
•Water Pump: Standard Rotation Right Hand Inlet
•Firing Order: 1 3 7 2 6 5 4 8
•Exhuast: 1 5/8 Headers
•Fuel Pump: Holley 110GPH Mechanical #12-289-11
•Fuel: 91+ Octane
•Ignition: Pro Billet with Melonized gear
•Automatic Transmission Stall Converter: 2000-2500
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.
Carburetor: Quick Fuel 780cfm #793-HR-780-VS (vacuum secondary's, electric choke) Fuel Pump: Holley Mechanical 110gph #510-12-289-11 Spark Plugs: Autolite #417-3923 Spark Plug Wires: 8mm
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