Discontinued product. Contact dealer for availability.


Budget Small-Block power
This assembly is an economy-minded alternative to rebuilding Gen 0-type 265-400-cubic-inch Small-Block engines. It’s assembled with all-new, premium components, including a brand-new block with four-bolt main caps—a strength-enhancing feature most original and core 350 engines don’t have.
PART NO. 19420194

265 HP @4300 RPM

351 LB-FT @3300 RPM

An affordable alternative to rebuilding
The 350/265 Base is assembled with all-new, premium components, including a brand-new block with four-bolt main caps — a strength-enhancing feature most original and core 350 en¬gines don’t have. This all-new assembly is delivered with the oil pan and timing cover. It is also internally balanced and features the pre-1986-style two-piece rear main seal.
Installation Guides
Find everything from vital data about your engine’s capabilities to how to install it into your build.

350/265 Base Tech Specs
- Part Number: 19420194
- Engine Type: Chevy Small-Block V-8 (Gen 0)
- Displacement (cu in): 350
- Bore x Stroke (in): 4.000 x 3.480
- Block (P/N 10066034): Cast iron with 4-bolt main cap
- Crankshaft (P/N 93426651): Nodular iron
- Connecting Rods (P/N 10108688): Powdered metal steel
- Pistons (P/N 93422884): Cast aluminum
- Camshaft Type (P/N 14060651): Hydraulic flat tappet
- Valve Lift (in): .385"intake/.403"exhaust
- Camshaft Duration (@.050 in): 194º intake / 202º exhaust
- Camshaft Lobe Separation Angle: 112º
- Cylinder Heads (P/N 93438649): Iron, 76cc chambers
- Valve Size (in): 1.94 intake / 1.50 exhaust
- Compression Ratio: 8.0:1
- Rocker Arms (P/N 10089648): Stamped steel
- Rocker Arm Ratio: 1.5:1 (offset intake)
- Recommended Fuel: Regular
- Maximum Recommended RPM: 5,100 rpm Max
- Balanced: Internal

Mobil 1 is now The Official Motor Oil of Chevrolet Performance.