Chevrolet Performance - CT400 / GM604 Crate Engine

Chevrolet Performance CT400 Crate Engine – 404 hp

Rated at 404 hp @ 5,600 rpm and 406 lb.-ft. torque @ 4,600 rpm, the CT400 combines strong bottom-end components with advanced airflow design. A forged steel crankshaft, hypereutectic pistons, and a cast-iron 4-bolt-main block provide a rock-solid foundation, while the high-rise aluminum intake and 8-quart circle track oil pan optimize racing performance.

Key Features:

• 404 hp @ 5,600 rpm / 406 lb.-ft. torque @ 4,600 rpm
• Fast Burn aluminum cylinder heads w/ 62cc chambers
• LS-style beehive valve springs for high-rpm durability
• Forged steel crankshaft and 4-bolt main caps
• Hypereutectic aluminum pistons and powdered metal rods
• Hydraulic roller camshaft – .474"/.510" lift, 208°/221° duration
• Aluminum roller rocker arms (1.5:1 ratio)
• 8-quart racing oil pan with dual kick-out design
• Open-plenum high-rise intake manifold included
• External balance design
• For circle track racing only – not street legal

Installation Notes:

• Requires carburetor, starter, ignition, distributor, plug wires, water pump, and exhaust (not included)
• Requires externally balanced flywheel (not included)
• Oil pan is 7" deep at sump and clears most GM rear-steer chassis
• Distributor with melonized steel gear must be used with steel camshafts
• Circle track engines include factory anti-tampering seals