CT350 IMCA-Sealed 602 Crate Engine, Dyno Tested, Race Ready

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 IMCA-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 and will include a dyno sheet of your engine IMCA sealed and approved for use in IMCA Camshaft and piston rings are broke-in using a proprietary dyno program to ensure proper ring seal which increases horsepower Lifter preload and timing are set prior to break in procedure for race ready performance right out of the crate 350 HP @ 5000 RPM. 390 ft. lbs. of torque @ 3800 RPM Camshaft and piston rings are broken-in using a proprietary dyno program Lash and timing are individually tuned Engine is ready to race Comes sealed with IMCA issued bolts and is approved for use in IMCA Popular in Hobby Stock, Factory Stock, Street Stock, Sport Modified, and Truck classes* Specifications: 350 HP at 5000 RPM, 390 ft. lbs. of torque at 3800 RPM Bore x Stroke: 4.00" x 3.48" Compression Ratio: 9.1:1 92 Octane recommended fuel Cam Lift: .435" Intake / .460" exhaust Cam Duration at .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 Includes: 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 IMCA-issued bolts Dyno sheet of your engine *Check track rules for correct application. Be sure to check out our tech article Legal Upgrades for 602/604 Crates to get the most out of your new crate engine.

Highlights

• Dyno-verified horsepower and torque and will include a dyno sheet of your engine
• IMCA sealed and approved for use in IMCA
• Camshaft and piston rings are broke-in using a proprietary dyno program to ensure proper ring seal which increases horsepower
• Lifter preload and timing are set prior to break in procedure for race ready performance right out of the crate
• 350 HP @ 5000 RPM. 390 ft. lbs. of torque @ 3800 RPM

Specifications

• Crate Engine Type: Deluxe Crate Engine
• Engine Displacement: 350 cu. in.
• Horsepower: 350 horsepower
• Compression Ratio: 9.12:1
• Torque: 390 ft./lbs.
• Maximum RPM: 5,500
• Camshaft Type: Hydraulic Flat Tappet
• Cylinder Head Material: Cast Iron
• Piston Material: Hypereutectic Aluminum
• Crankshaft Material: Forged Steel
• Combustion Chamber Volume: 64cc
• Camshaft Duration (.050 in): 212° intake / 222° exhaust
• Camshaft Lift (in): .435 intake / .460 exhaust
• Bore x Stroke (in): 4.000" x 3.480"
• Carburetor Included: No
• Intake Manifold Included: Yes
• Distributor Included: Yes
• Connecting Rod Material: Powdered Metal
• Valve Covers Included: Yes
• Assembled: Yes
• Engine Balance: External
• Cylinder Heads Included: Yes
• Rear Main Seal Style: 1-piece
• Throttle Body Included: No
• Oil Pan Included: Yes
• Timing Cover Included: Yes
• Water Pump Included: No
• Harmonic Balancer Included: Yes
• Flexplate Included: No
• Flywheel Included: No
• Air Cleaner Included: No
• Spark Plugs Included: No
• Spark Plug Wires Included: No
• Computer Included: No
• Wiring Harness Included: No
• Cylinder Head Style: Assembled
• Intake Valves Included: Yes
• Intake Valve Diameter: 1.94"
• Exhaust Valves Included: Yes
• Exhaust Valve Diameter: 1.5"
• Camshaft Included: Yes
• Cylinder Heads: Vortec
• Rocker Arms: Stamped Steel
• Rocker Arm Ratio: 1.5:1
• Block: 4 bolt main
• MFG. Part #: 19433602
• Notes: Broke-in, dyno-verified HP/TQ, and IMCA-sealed for competition
• Sold in Quantity: Each
• Spark Plug Style: Straight
• Brand: Speedway Motors Racing Engines

Emissions Notice

Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine