Engine - GM (19421178)
Genuine Engine
Details
- Brand:
- SKU:
19421178
- Description:
OUR BEST CRATE ENGINE VALUE DELIVERS ALL YOU EXPECT IN A POWERFUL SMALL-BLOCK!
The most affordable Cheverolet Performance Small-Block crate engine is also our best seller - and it's easy to understand why. The 350/290 Base Small-BIock features four-bolt mains for strength and makes a great economical alternative to rebuilding a tired, two-bolt main core. Use it to re-power your daily driver or drop it in your budget Camaro project!
Inside the 350/290 Base are quality parts, including a camshaft and durable aluminum pistons that squeeze an 8.5:1 compression ratio. We offer the 350/290 in a base form, allowing you to add the induction and other accessories. That's great for builders swapping over the intake manifold, carburetor and other components when re-powering a vehicle.
Chevrolet Performance has all the components to build up the 350/290 Base into a high-performance, great-looking street engine, too - from an aluminum intake and carburetor (we recommend the 670-cfm Holley four-barrel, P/N 19170092) to the distributor, water pump and more. Save the time and hassle of rebuilding your old engine by ordering the 350/290 Base and finishing it to your own specifications.
TECH SPECS
Part Number: 12499529 / 19355658
Engine Type: Chevy Small-Block V-8
Displacement (cu in): 350
Bore x Stroke (in): 4.000 x 3.480
Block (P/N 10066034): Cast-iron with 4-bolt main caps
Crankshaft (P/N 93426651): Nodular iron
Connecting Rods (P/N 10108688): Powdered metal steel
Pistons (P/N 93422884): Cast-aluminum
Camshaft Type (P/N 3896962): Hydraulic flat tappet
Camshaft Lift (in): .450 intake /.460 exhaust
Camshaft Duration (@.050 in): 222° intake / 222° exhaust
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
Recommended Fuel: Regular pump
Ignition Timing: 34° Total @ 4,000 rpm
Maximum Recommended rpm: 5,100
Balanced: Internal
INSTALLATION NOTES- Use neutral balance harmonic damper P/N 12551537
- Use internally balanced flexplate P/N 471529 for automatic transmission or flywheel P/N 14085720 for manual transmission(not included)
- Power ratings based on tests with Holley 670-cfm carburetor P/N 19170092 (not included)
- Does not accept Chevrolet Performance roller lifter assemblies
- Designed for pre-1976 street vehicles or any off-road vehicle
- Not intended for marine applications
- See the Valve Covers section for selection of chrome, polished and aluminum valve covers
- Pre-1986-style 2-piece rear main seal block
- Recommended for use in vehicles with 6,000 GVW or less
- Condition: New
California Proposition 65
WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov Vehicle Fitment
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