604 Circle Track Crate Engine

The Chevrolet Performance CT400 racing crate engine is fully sealed for IMCA “A-Mod/Modified” use and now features Fast Burn cylinder head assemblies with LS-style beehive valve springs that enable greater high-rpm performance and durability.

These lightweight aluminum heads include with large intake runners and 2.00/1.55-inch valves. The CT400 also has a tough bottom end, with a forged steel crankshaft and strong aluminum pistons circulating in a new four-bolt main block.

What's Included

The IMCA sealed ‘604” circle track crate engine assembly also includes an open-plenum high-rise intake manifold, a racing-only 8-quart circle track oil pan with a dual kick-out design, a valve cover breather kit and aluminum roller rocker arms.

Important Notes

• Requires addition of carburetor, starter, ignition, plug wires, water pump, distributor and exhaust system (not included)
• Requires an externally balanced flywheel (not included).
• The 8-quart circle track oil pan is 7 inches deep at the sump. It will clear most GM rear-steer chassis with stock engine location
• For Circle Track Racing only – Not intended for street use
• Circle Track racing engines from Chevrolet Performance include anti-tampering seals installed
• Distributor with melonized steel gear MUST be used with long-blocks and Partial engines with steel camshafts, or engine damage will occur.
• For Circle Track Racing only - NOT intended for street use