Description
IMCA-Sealed CT350 Chevy 602 Crate Engine
The Speedway Motors Racing Engines CT350 circle track crate engine delivers competitive and durable power at an economical price! 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 Chevrolet Performance Parts’ popular 350 HO engine, including a brand-new, four-bolt-main block, 9:1 hypereutectic pistons, Steel 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!
- Track-tested durability
- Great mid-range power
- Best horsepower value around
- 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*
Features
- 350 hp @ 5000 RPM
- 390 ft lbs. Torque @ 3800 RPM
- Forged steel Crankshaft
- CNC Machined Block
- Affordable Horsepower – popular in Factory Stock, Sport Modified, and Truck
- Comes Complete Intake to Pan
- Includes an HEI Distributor
- It does not include a flywheel or water pump
- 4 bolt block
- 9.1:1 Compression Ration with Iron Vortec Heads
- 8 1/2″ Deep oil pan holds 8 quarts including the filter
- Dual-plane, High-rise, aluminum intake
- 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
*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.
| KEY SPECS | |
|---|---|
| MFG. Part # | 19433602 |
| Brand | Speedway Motors Racing Engines |
| Crate Engine Type | Deluxe Crate Engine |
| Engine Displacement | 350 cu. in. |
| Horsepower | 350 horsepower |
| Compression Ratio | 9.12:1 |
| Torque | 390 ft./lbs. |
| Camshaft Type | Hydraulic Flat Tappet |
| Cylinder Head Material | Cast Iron |
| Piston Material | Hypereutectic Aluminum |
| Crankshaft Material | Forged Steel |
| Spark Plug Style | Straight |
| 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 |
| 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 |






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