Products to Compare (max of 3)
Compare These Parts
Talk to the Experts. Call 800.979.0122, 7am-10pm, everyday.
Customer Service
Since 1952
  • Expert Tech Support
  • Huge Inventory
  • Fast Shipping
Add to Cart
GM 19258602 CT350 602 Chevy Crate Engine, Dyno Tested
GM 19258602 CT350 602 Chevy Crate Engine, Dyno Tested

GM 19258602 CT350 602 Chevy Crate Engine, Dyno Tested

1 Review | 11 Answered Questions
In Stock
Flat Rate Shipping
GM 19258602 CT350 602 Chevy Crate Engine, Dyno Tested
GM 19258602 CT350 602 Chevy Crate Engine, Dyno Tested
Zoomed In Image
Part # 12119258602
Add to Cart
Call to Order
Add to Buildlist

Videos & Articles


350 horsepower
390 ft./lbs.
Maximum RPM:
Engine Displacement:
350 cu. in.
Crate Engine Type:
Deluxe Crate Engine
Camshaft Type:
Hydraulic Flat Tappet
Cylinder Head Material:
Cast Iron
Piston Material:
Hypereutectic Aluminum
Crankshaft Material:
Cast Iron
Carburetor Included:
Intake Manifold Included:
Distributor Included:
MFG. Part #:
Connecting Rod Material:
Powdered Metal
Sold in Quantity:
Broke-in, dyno-verified HP/TQ, and GM-sealed for competition.
Valve Covers Included:
Cylinder Heads Included:
Rear Main Seal Style:
Oil Pan Included:
Timing Cover Included:
Water Pump Included:
Harmonic Balancer Included:
Flexplate Included:
Spark Plugs Included:
Spark Plug Wires Included:


The Chevrolet Performance CT350 circle track crate engine delivers competitive and durable power at an economical price, and now Speedway Motors Racing Engines is offering them as a dyno-verified package that is ready to race! Designed for circle track's weekend warriors, this bullet-proof 350-horsepower, 350-cubic-inch factory-sealed racing crate engine (often referred to as the "602 crate") is a tough combination of power and reliability – and it fits almost any racing budget.
Based on GM Performance Parts' popular 350 HO engine, including a brand-new, four-bolt-main block, 9:1 hypereutectic pistons, cast iron crankshaft and GM iron Vortec cylinder heads, the 350/350 Factory Stock version features a high-rise dual-plane intake manifold, 8-quart single kick-out circle track oil pan, valve cover kit with breather tube and breather, and special "kool nut" rocker arm nut design. The 350 HO's unique dual-pattern cam is included, too. It's based on the one found in 1965-67 Corvette 327 engines, but with more lift and duration to clear the engine exhaust quickly and move in more air – providing excellent mid- and high-range power, where you need it on the track.
The 602 crate engine is delivered complete from the oil pan to the intake manifold – including an HEI distributor – the 350/350 CT350 racing crate engine has the proven parts and horsepower to enable a competitive racecar. Getting it into the winner's circle, however, is your job!
  • Dyno-verified horsepower and torque
  • Camshaft and piston rings are broken-in using a proprietary dyno program
  • Lash and timing are individually tuned
  • Engine is ready to race
  • Factory-sealed for equal competition
  • Popular in Hobby Stock, Factory Stock, Street Stock, Sport Modified, and Truck classes*


  • 350 HP @ 5000 RPM, 390 ft. lbs. of torque @ 3800 RPM
  • Bore x Stroke: 4.00” x 3.48”
  • Compression Ratio: 9.1:1
  • 92 Octane recommended fuel
  • Cast Iron, 4-bolt main caps
  • Cam Lift: .435” Intake / .460” exhaust
  • Cam Duration @ .050”: 212 deg. Intake / 222 deg. Exhaust
  • Lobe Separation: 112.5 Degree
  • 1.94” Intake/ 1.50” Exhaust valves
  • Stamped steel, 1.5:1 ratio rocker arms
  • Engine weighs 434 lbs. as delivered
  • Fully GM-assembled long block
  • Steel valve covers w/ Chevy bowtie logo breathers
  • High rise aluminum intake manifold
  • HEI distributor
  • 8” harmonic balancer
  • Oil pump, pick-up and 8 quart oil pan
  • Front timing cover
  • Factory GM seals
  • Dyno sheet of your engine
*Check track/series rules for approved applications.
Be sure to check out our tech article Legal Upgrades for 602/604 Crates to get the most out of your new crate engine.


  1. Requires the addition of a carburetor, starter, water pump, spark plugs, and plug wires (not included).
  2. Requires an externally balanced flywheel (not included).
  3. The 8-quart Circle Track oil pan is 8 inches deep at the sump. It will clear most GM rear-steer chassis with the stock engine location.
  4. For Circle Track Racing only - not intended for street use.
Some parts are not legal for use in California or other states with similar laws/regulations

Related Products

More Like This


Q & A

Videos & Articles
  • Visit the Toolbox

    The Toolbox is Speedway Motors' hub for professionally written articles.

  • Speedway Motors and Classic Trucks called on GM Performance to power their ground up rebuild of a 1952 Chevy truck that was built in celebration of Speedway Motors’ 65th anniversary.
  • There are a lot of options out there when you're ready for a replacement performance crate engine. But if you compare the competition to BluePrint Engines, you'll find the value is hard to beat.
    Learn More

You May Also Like