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HPE-SP61 ATK SP61 Chrysler 408CI Magnum Short Block Hyper Pistons Cast Crank

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

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Pricing: $2,473.00

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This short block is designed to be a strong foundation for high horsepower street/ strip engine builds. Your engine may not necessarily come with all components listed, but they are listed as our recommendations of parts to run for optimal performance.

Block: Seasoned OE "Magnum" Block
Bore/Stroke: 4.040 x 4.000
Displacement: 408 C.I.D.
Crankshaft: Scat Nodular Iron 4.000" Stroke Internally Balanced
Connecting Rods: Scat 4340 Forged I Beam 6.123" ARP 8740 Bolts
Pistons: Hypereutectic -25cc Dish
Piston Rings: Moly Rings
Compression Ratio: 62cc=9.7:1 /68cc=9.2:1/70cc=8.9:1
Camshaft Bearings: Installed & Clocked to OEM Position
Freeze Plugs: Brass Installed & Sealed
Oil Galley Plugs: Installed & Sealed

Oil : 10W30
Harmonic Balancer/Damper : Internally Balanced (not included)
Flex Plate / Flywheel : Internally Balanced (not included)

Application List


Shipping Information

  • Item Requires Shipping
  • 500.0 lbs.
  • W5.0000” x H5.0000” x L5.0000”
  • Free Shipping!
  • FREE 48 State Truck Freight Shipping (International shipping will require freight quote)

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