RAM JET 350
345 HP @5,000 RPM/ 396 LB-FT TORQUE @3,600 RPMprice: $9,519
part number: 19417619
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Chevrolet Performance’s unique Ram Jet 350 combines the classic look of the original Rochester mechanical injection system with the dependability and optimized performance of contemporary electronic port fuel injection. We’ve taken our proven 350 Small-Block and topped it with an exclusive port fuel-injection system that emulates the look of Chevy’s factory fuel-injection systems from the 1950s and ’60s. It’s the perfect choice for a resto-mod hot rod from the original Rochester era. We deliver the Ram Jet 350 with the following components to make it easier to install and start: Unique intake manifold and plenum that is 9.75 inches tall — plenty of clearance to fit under the hood of most vehicles without modifications MEFI 4 engine controller Wiring harness Detailed instructions The bottom end of the engine is our stout 350 with a brand-new block, a hydraulic roller cam, Vortec iron heads, and a pump-gas-friendly 9.4:1 compression ratio.
Part Number: 12499120 New Updated Version 19355815
Engine Type: Chevy Small-Block V-8
Displacement (cu in): 350
Bore x Stroke (in): 4.000 x 3.480
Block: Cast-iron with 2-bolt main caps
Crankshaft: Cast-iron
Connecting Rods: Powdered metal steel
Pistons: Hypereutectic aluminum
Camshaft Type: Hydraulic roller
Camshaft Lift (in): .431 intake / .451 exhaust
Camshaft Duration (@.050 in): 196° intake / 206° exhaust
Cylinder Heads: Vortec iron; 64cc chambers
Valve Size (in): 1.940 intake / 1.500 exhaust
Compression Ratio: 9.0:1 nominal
Rocker Arms: Aluminum roller style
Rocker Arm Ratio: 1.5
Recommended Fuel: Premium pump
Ignition Timing: 34° Total @ 4,000 rpm
Maximum Recommended rpm: 5,200
Balanced: External
Intake Manifold (P/N 12498032): Ram Jet PFI design
• Comes with externally balanced, manual transmission flywheel; change to externally balanced flexplate for automatic transmission applications.
• Installer to supply 12-volt power source and fuel pump
• See instructions for fuel pump recommendation
• Designed for pre-1976 street vehicles or any off-road vehicle
• Not intended for marine applications
• IMPORTANT! For a safe, proper and trouble-free engine break-in, the MEFI 4 computer has a “green” mode that controls rpm during the break-in period. During this period, engine speed is limited to 4,000 rpm in the first hour, 4,500 rpm in the second hour and 5,200 rpm in the third hour