Cheverolet Performance's Most Economical Circle Track Crate Engine
Chevrolet Performance’s CT350 delivers 350 horsepower from a classic 350 cubic-inch combination. It’s just the thing budget-conscious racers can depend on for competitive performance and low-maintenance durability.

The CT350 is based on the popular 350 HO high-performance street crate engine, including a stout four-bolt main block and Vortec-style iron cylinder heads. The Vortec heads and unique dual-pattern camshaft help deliver more than 300 lb-ft of torque at 2000 rpm and hold it above that mark through 5500 rpm — it peaks at 390 lb-ft at 3800 rpm. With that much pulling power, you can hold a gear longer, keeping the engine in its sweet spot for quicker laps.

We complete the CT350 with an 8-quart Circle Track racing oil pan, balancer, HEI distributor, and an aluminum high-rise, dual-plane intake manifold. Add your carburetor, starter, spark plugs, wires, and water pump — all available at chevroletperformance.com — and you’ll be ready to roll into the winner’s circle!

CT350 TECH SPECS
Part Number:19258602
Engine Type: Chevy Small Block V8
Displacement (cu. in.): 350
Weight: 451
Horse Power: 350
Torque: 390
Trans*: N/A
Bore x Stroke (in.): 4.000 x 3.480
Block (P/N 10105123): Cast Iron with 4-Bolt Main Caps
Crankshaft (P/N 10243068): Nodular Iron
Connecting Rods (P/N 10108688): Powdered Metal Steel
Pistons (P/N 94672680): Hypereutectic Aluminum
Camshaft Type (P/N 24502476): Hydraulic Flat Tappet
Camshaft Lift (in.): .435 Intake / .460 Exhaust
Camshaft Duration (@.050 in.): 212° Intake / 222° Exhaust
Cylinder Heads (P/N 12558060): Vortec Iron; 64-cc Chambers
Valve Size (in.): 1.940 Intake / 1.500 Exhaust
Compression Ratio: 9.12 Nominal
Rocker Arms (P/N 10089648): Stamped Steel
Rocker Arm Ratio: 1.5:1
Recommended Fuel: 92 Octane
Ignition Timing: Base 10° BTDC, 32° Total
Maximum Recommended rpm: 5500

INSTALLATION NOTES

• Requires addition of carburetor, starter, water pump, plug wires and exhaust system (not included) Requires an externally balanced flywheel (not included). See page 151 for flywheel selection
• The 8-quart Circle Track oil pan is 8 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.

CT350 Installation Guide PDF

CT350 Warranty Detail PDF