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:
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.
Chevy Small-Block V-8
Displacement (cu. in.):
Bore x Stroke (in.):
4.000 x 3.480
Cast-iron with two-bolt main caps
Crankshaft (P/N 10243068):
Connecting Rods (P/N 10108688 ):
Powdered metal steel
Pistons (P/N 12571703):
Camshaft Type (P/N 14097395):
Camshaft Lift (in.):
.460 intake / .481 exhaust
Camshaft Duration (@.050 in.):
196° intake / 206° exhaust
Cylinder Heads (P/N 12528913):
Vortec iron; 64-cc chambers
Valve Size (in.):
1.940 intake / 1.500 exhaust
Rocker Arms (P/N 12367346):
Aluminum roller style
Rocker Arm Ratio:
Base 10° BTDC, 32° Total
Maximum Recommended rpm:
Already own one, but lost some of the paperwork? We’ve got you covered with downloads and links for some of the more important documents below. You’ll find everything from the vital data about your engine’s capabilities to how to install it into your build, even all of the warranty information should you need to make a claim. And don’t forget, the best way we can make sure to get you the latest information on your specific part is to tell us which one you have by registering your engine. No matter what stage of your build you’re in — from shopping for the right part to that part having turned in a few miles — we have the information you need.
* The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Click here to see all Chevrolet vehicles' destination freight charges. Click here to see the 2015 City Express destination freight charge. Click here to see the 2015 Colorado destination freight charge.
***The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Includes destination freight charge and gas guzzler tax.
Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet Performance Parts may not meet Federal Motor Vehicle Safety Standards and emissions regulations and should not be operated on public roads. Chevrolet Performance customers are responsible for ensuring their use of Chevrolet Performance complies with applicable federal, state, and local laws, regulations, and ordinances. Many parts intended for racing or other “off-highway” use are not designed or tested for crashworthiness or to meet the safety needs of the motoring public, and may adversely affect the original intended performance or handling characteristics of the vehicle. These parts are designed and intended to be used with experts supervising their installation and use, to help assure the proper and safe operation of the vehicle.
To allow you to do an accurate price comparison with prices featured on other Internet sites, GM provides Internet pricing both with and without the Destination Freight Charge (see prices including Destination Freight Charge below). To get full pricing details, go to our Build Your Own section.