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PSLS4270CTC - LS 427 Carbureted Retro-Fit Performance Engine 605 HP / 575

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

Shipping: FREE 48 State Truck Freight Shipping (International shipping will require freight quote)
Pricing: $9,999.88

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605 HP/575 TQ

Carbureted Retro-Fit engine that cranks out a whopping 605 HP and 545 lb-ft of torque, breathing through an 850 CFM 4-barrel atop an Edelbrock single-plane manifold. Just add an ignition module and you're ready to roll.

The new engine comes with 11:1 compression ratio GM Gen III LS-series block and heads with BluePrint's forged crank and rods balanced within 2 grams, timing cover and intake manifold. Plus, each LS engine is covered by our industry-leading 30-month, 50,000-mile international warranty.

Includes universal fit oil pan, single plane intake, 850 carb, sensors, coil packs and wiring harness, and L92 truck balancer.

Engine Block

  • New GM Block
  • 1-piece rear main seal

Rotating Assembly

  • Forged Crank: 4.125" stroke
  • Forged 6.125" Rods
  • Forged Mahle Pistons
  • Roller Cam
  • Crankshaft: BluePrint or Scat with 6 Bolt Flange

Cylinder Heads

  • GM L92/LS3 Cylinder Heads

Critical Specs

  • Performance Hydraulic Roller Cam
    • .624 intake / .624 exhaust lift;
    • 247 intake / 263 exhaust duration
    • @ .050, 114 degree lobe sep
  • Compression Ratio: 11:1
  • Fuel Requirements: 91 octane

Application List


Shipping Information

  • Item Requires Shipping
  • 500.0 lbs.
  • W5.0000” x H5.0000” x L5.0000”
  • Free Shipping!
  • FREE 48 State Truck Freight Shipping (International shipping will require freight quote)

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