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: Forged Flat Top
Piston Rings: Moly Rings
Compression Ratio: 62cc=12.1:1/68cc=11.3:1/70cc=11.0:1
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)