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
Bore/Stroke: 4.040 x 4.000
Displacement: 408 C.I.D.
Crankshaft: Scat 4340 Forged 4.000" Stroke Internally Balanced
Connecting Rods: Scat 4340 Forged I Beam 6.123" ARP 8740 Bolts
Pistons: Forged Dished +20.50cc
Piston Rings: Moly Rings
Compression Ratio: 62cc=10.2:1/68cc=9.6:1/72cc=9.3:1
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)