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Return to Parts List Category : B- Small Block Dodge Magnum HUG 408MAGSTROKERMIDB MID COMP BALANCED ROTATING ASSEMBLY MID COMPRESSION RATIO, CAST CRANK, I BEAM RODS, KB HYPER PISTONS $2240.98 This is our mid compression stroker kit for the 360 block using the Keith Black Hypereutectic Piston and Cast Crankshaft. Magnum blocks tend to have a slightly shorter deck height than the older "LA" style blocks.  This particular piston has a 1.465" compression height and may come out of a Magnum block just slightly. If this happens on your application we suggest using a thicker head gasket to make up the difference. This kit includes: SCAT 9-360-4000-6123-2125 Cast Crankshaft SCAT 2-ICR6123-2124-7/16 (I-Beam rods) Keith Black Hypereutectic Pistons #KB416.030 (4.030") Ring Set Sealed Power 2114+030 (5/64-5/64-3/16") Rod Bearings CB481HN Clevite "H" series Main Bearings MS1266HG Clevite "H" Series (Wide Flange 74-03 blocks) Precision Race Balancing by Hughes Engines, inc. Note: All cast crank stroker kits will require heavy metal to balance and is always included in our price. Technical Specifications:   Compression Ratios:  Head Chamber Size (Most Iron) 62cc Piston Volume (KB416) -25cc Compressed Gasket Thickness (9898PT) .054" Gasket Bore Diameter (9898PT) 4.172" Deck Height 0 Calculated Compression 9.4:1     This is a good combination for pump premium 92 octane gas with iron heads. Head Chamber Size (Most Aluminum) 58cc Piston Volume (KB416.030) -25cc Compressed Gasket Thickness (1008) .039" Gasket Bore Diameter (1008) 4.180" Deck Height 0 Calculated Compression 10.1:1   This is low compression for aluminum heads needs 10.7:1 or more with pump premium 92 octane gas at sea level. We suggest milling aluminum heads .025" for 10.7:1.