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Cast Iron GM Performance Block

More information in the description below.

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  • 4.030” Bore x 4” stroke 408ci
  • 4340 Forged Steel Callies Crankshaft
  • Forged Steel “H” Beam Cond rods
  • Forged dish top piston
  • Steel Turbo ring set
  • Race Series Big end bearings (Coated)
  • Race Series Main Bearings
  • Full ARP Bolt kit, Mains, Head bolts, accessories
  • 2 Piece Timing cover
  • Choice of sump/pan for either front or rear deep location
  • Block torque plate bored and honed, deck surface finished to zero deck height
  • Cam tunnel line honed
  • Main tunnel line honed
  • Custom forced induction camshaft (5 part numbers available)
  • LS7 Lifters and buckets
  • GM Performance oil pump and girdle kit
  • LS7 race series timing chain set
  • Brand new LS3 rectangle port heads, with lightweight valves, Fully CNC ported including combustion chamber
  • Dual Valve spring kit with tool steel retainers, hardened collets, and tool steel spring bases
  • New LS3 rocker arms with bonze bush kit and one-piece BTR shaft rocker assembly
  • Chrome-moly thick-wall push rods
  • Engine fully blueprint assembled
  • Combination can suit any type of forced induction and support 1200wheel HP
Weight 400 kg
Dimensions 100 × 100 × 100 cm


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