Chevrolet Performance 19434602 350 Vortec 350 HP Circle Track
At the dirt oval the Chevrolet Performance 350 19434602 engine wins consistently. A seasoned 350 CID iron block generates 350 HP under 9.12:1 compression. Bolt down your racing headers now.
- 350 HP pulls corner exits fast
- 8 quart oil pan protects bearings
- 9.12:1 compression ratio runs 91 octane
Description
Chevrolet Performance 19434602 350 Vortec 350 HP Circle Track Performance
This 350 CID Circle Track crate engine produces 350 horsepower and 396 lb.-ft. of torque on premium 91 octane fuel. Built with a 4-bolt main cast iron block and Vortec cast iron heads, this Gen I Small Block maintains strict mechanical integrity for competitive racing. The high-rise dual-plane intake and anti-tampering factory seals ensure volumetric efficiency and compliance with sanctioned racing regulations.
The Gen I Small Block architecture fits 1967–1981 Chevrolet Camaros and standard Circle Track racing chassis requiring a 350 CID limit. It is compatible with 1968–1974 Chevrolet Nova sasis and fits 1978–1988 G-Body platforms like the Monte Carlo. These features ensure precise powertrain integration, providing a regulated performance solution with an 8-quart circle track oil pan designed for high-lateral G-force lubrication management.
Key Features of Chevrolet Performance 19434602
- 350 Horsepower output optimized for sanctioned circle track racing
- 4-Bolt Main Block ensures maximum bottom-end crankshaft stability
- 8-Quart Oil Pan maintains consistent lubrication during high-G cornering
- Vortec Cylinder Heads provide superior combustion and airflow characteristics
- Anti-Tampering Factory Seals guarantee technical compliance for racing series
- High-Rise Dual-Plane Intake Manifold enhances mid-range torque delivery
- Nodular Cast Iron Crankshaft offers durable performance for racing use
- 9.12:1 Compression Ratio is calibrated for premium pump gas
- HEI Distributor Included provides reliable high-voltage ignition timing
- Hydraulic Flat Tappet Camshaft ensures consistent valvetrain operation
Chevrolet Performance 19434602 Included With:
- Intake Manifold
- Oil Pan
- HEI Distributor
- Anti-Tampering Seals
Upgrade your project with professional-grade reliability and peace of mind. This assembly includes a 2-year or 24,000-mile limited warranty, ensuring long-term protection for your investment. Explore our full range of high-performance crate engines to find the perfect match. Experience superior powertrain integration precision with this Chevrolet Performance assembly, designed for premium performance and backed by industry-standard heritage.
Chevrolet Performance 19434602 Crate Engine Specs
| Horsepower | 350 hp @ 5,400 rpm |
| Torque | 396 lb.-ft. @ 3,800 rpm |
| Max Recommended RPM | 5,500 |
| Recommended Fuel | Premium Pump (91 Octane) |
| Engine Type | Chevy Small-Block V-8 (Gen I) |
| Displacement | 350 cu. in. (5.7 L) |
| Bore x Stroke | 4.000 in x 3.480 in |
| Compression Ratio | 9.12:1 Nominal |
| Block Material | Cast Iron (4-bolt main caps) |
| Crankshaft | Nodular Cast Iron |
| Connecting Rods | Powdered Metal Steel |
| Pistons | Hypereutectic Aluminum |
| Cylinder Heads | Vortec Cast Iron (64 cc chambers) |
| Intake/Exhaust Valve Size | 1.940 in / 1.500 in |
| Camshaft Type | Hydraulic Flat Tappet (Dual Pattern) |
| Intake/Exhaust Lift | 0.435 in / 0.460 in |
| Duration (@ 0.050 in) | 212° Intake / 222° Exhaust |
| Rocker Arm Ratio | 1.5:1 (Stamped Steel) |
| Intake Manifold | Aluminum High-Rise Dual-Plane (Carbureted) |
| Oil Pan | 8-Quart Circle Track Oil Pan |
| Ignition | HEI Distributor Included |
| Seals | Anti-Tampering Factory Seals |












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