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Long Block Assemblies

Long Block Assemblies
  • New Subaru EJ25 STI Engine case
  • New Subaru EJ25 STI Forged Crankshaft
  • Optional Cosworth Billet Crankshaft (79/81mm stroke available
  • Cosworth forged H-beam Connecting rods
  • Cosworth Forged Pistons and rings
  • Cosworth motorsport Tri-metal bearings
  • Balanced to within 0.5 gram
  • Complete blue-printed assembly
  • Enlarged intake and exhaust ports
  • Large diameter stainless steel intake valves
  • Large diameter inconel exhaust valves
  • Hi-rev, dual valve springs
  • Titanium retainers
  • Hardened steel spring platforms
  • Multi angle valve job
  • CNC machined port finish
  • Knife edge port divider
  • Cosworth S2 High lift camshafts
  • Valve lash set
  • Cosworth high pressure oil pump
  • Cam covers
  • Cosworth serial number
Published in Engine Assemplies
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