ct400

CT400

Fast burn power

The CT400 racing crate engine features Fast Burn cylinder heads with LS-style beehive valve springs that enable great high-rpm performance and durability.

PART NO. 88869604

WhyBuy

404 HP @5600 RPM

WhyBuy

406 LB-FT @4600 RPM

High-revving durability 

The beehive springs are part of the lightweight aluminum cylinder head assemblies. The CT400 also has a tough bottom end, anchored by a forged steel crankshaft and strong aluminum pistons installed in a brand-new block with four-bolt mains.

Installation Guides

Find everything from vital data about your engine’s capabilities to how to install it into your build.

CT400 Tech Specs

  • Part Number: 88869604
  • Engine Type: Chevy Small-Block V-8
  • Displacement (cu. in.): 350
  • Bore x Stroke (in.): 4.000 x 3.480
  • Block (P/N 10243870): Cast-iron with four-bolt main caps
  • Crankshaft (P/N 12670965): Forged steel, shot peened
  • Connecting Rods (P/N 10108688): Powdered metal steel
  • Pistons (P/N 10159436): Hypereutectic aluminum
  • Camshaft Type (P/N 10185071): Steel hydraulic roller
  • Camshaft Lift (in.): .474 intake / .510 exhaust
  • Camshaft Duration (@.050 in.): 208° intake / 221° exhaust
  • Cylinder Heads (P/N 12464298): Fast Burn aluminum, 62-cc chambers
  • Valve Size (in.): 2.000 intake / 1.550 exhaust
  • Compression Ratio: 9.72:1 Nominal
  • Rocker Arms (P/N 19210724): Aluminum, roller style
  • Rocker Arm Ratio: 1.5:1
  • Recommended Fuel: Premium pump
  • Ignition Timing: 36° Total @ 4,000
  • Maximum Recommended rpm: 5800

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  • Requires available Performance Exhaust or Z51 Performance Package.

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