BluePrint Engines BPP12110345 GM Small Block Compatible Bare Block 9.025 Deck 4.125 Bore 2-Piece Seal 400 Main

BluePrint Engines BPP12110345 GM Small Block Compatible Bare Block 9.025 Deck 4.125 Bore 2-Piece Seal 400 Main

Part# BPP12110345

  • Made in USA
  • GM Compatible

$2,299.99

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BluePrint Engines Bare Block - 454 c.i. - SBC 2PC SIAM 9.025 x 4.125 400MAIN CAST MC

Specifications

Cylinder Bore (Rough)4.120" to 4.122"
Cylinder Bore (Max)4.250"
Cam Bearing Bore Id2.000"+/- .001"
Cam BearingsDurabond GMP-8
Camshaft PositionOEM
Cam Drive / Timing SetOEM equivalent
Cam Retaining PlateOEM
Cubic Inch (Max)454
Cylinder Wall Thickness.230" Nominal @ Max Bore
Water Jacket StyleSiamese
Cylinder Skirt Length5.800" Nominal
Deck Height9.025" +.005" / -.000"
Deck Thickness.600" Nominal
Freeze / Core Plugs1-5/8" x 10
Head Bolt Threads7/16-14 UNC
Lifter Bores.8437" +/- .0003"
Lifter Retainer (If Not Using Tie Bar Lifters)OEM W/Roller Provisions
Main Bearing Bore (Line Honed)400 Main - 2.8400" - 2.8405"
Main Bearing CapsDuctile Cast Iron 4-Bolt Splayed
Main Cap Bolts7/16-14 Inner / 3/8-16 splayed
Main Fastener Tensile Strength180,000 to 210,000 PSI
Material (Block)EN-GJL-250 Iron
Oil SystemPriority Main
Oil PumpOEM
Oil FilterOEM
Oil PanOEM
Fuel PumpOEM
Rear Main Seal2 piece
StarterOEM
Stroke (Max)Cast in clearance 3.875"
Timing CoverOEM
Weight With Main Caps170-190lbs
Country of originUSA
Shipping weight190 lb
Shipping size26 x 23.5 x 22.5 in