Blueprint Engines Chev 598 Stroker Crate Engine Big Block Long block # PS5980CT1598CI BBC Stroker Crate Engine Big Block GM Style Longblock HP & Torque: 724 HP 680 FT LBS Compression Ratio: 10. 5: 1 Aluminum Heads Hydraulic Roller Cam Forged Crank Forged Pistons BLOCK: NEW BluePrint Cast Iron Block Manufactured and Machined in the USA! 4 Bolt Main 4. 600" Bore 1 Piece Rear Main Seal Mech fuel pump provision: Yes Standard Deck ROTATING ASSEMBLY: New BluePrint Forged Crankshaft 4. 500" Stroke Forged H beam 6. 480" connecting rods

598CI BBC Stroker Crate Engine | Big Block GM Style | Longblock

• HP & Torque: 724 HP / 680 FT LBS
  Compression Ratio: 10.5:1
  Aluminum Heads
  Hydraulic Roller Cam
  Forged Crank
  Forged Pistons

BLOCK:

• NEW BluePrint Cast Iron Block
  Manufactured and Machined in the USA!
  4-Bolt Main
  4.600" Bore
  1-Piece Rear Main Seal
  Mech fuel pump provision: Yes
  Standard Deck

ROTATING ASSEMBLY:

• New BluePrint Forged Crankshaft
  4.500" Stroke
  Forged H-beam 6.480" connecting rods
  Forged Pistons
  Internal

CYLINDER HEADS:

• BluePrint Aluminum Cylinder Heads -PS8012
• 119cc chamber
• 2.30" intake/1.88" exhaust valves
• 358cc intake/125cc exhaust runners
• Cylinder heads feature a .300 in. raised exhaust port vs an OEM casting.
• Must verify header/exhaust clearance

CAM SPECS:

• .647 Intake .647 Exhaust
  258 Intake / 266 Exhaust duration
  @ .050 - 112 degree lobe separation

IGNITION TIMING:

• 340 total timing

ALSO INCLUDES:

• Valve covers, oil pan and timing cover
  Harmonic balancer
• Dyno test results shipped with engine