You will be pleased with the quality And durability that this Factory Sealed motor offers, complete with its four-bolt main block, nodular iron crankshaft, PM connecting rods, cast aluminum pistons, hydraulic flat tappet cam and of course the famous Vortec cast iron cylinder heads. GM finishes it off with a high-rise dual plane intake, a HEI distributor, Circle Track valve covers with breathers and an 8-quart circle track oil pan assembly.

The 350HP was derived from a Superflow Dyno using a 4-barrel 650cfm Holley carburetor.

350 hp @ 5000 RPM
390 ft lbs. Torque @ 3800 RPM
Forged steel Crankshaft
CNC Machined Block
Affordable Horsepower – popular in Factory Stock, Sport Modified, and Truck
Comes Complete Intake to Pan
Includes an HEI Distributor
It does not include a flywheel or water pump
4 bolt block
9.1:1 Compression Ration with Iron Vortec Heads
8 1/2″ Deep oil pan holds 8 quarts including the filter
Dual-plane, High-rise, aluminum intake
Engine weighs 434 lbs as delivered
Engine Includes:

Strong 4-bolt main block and iron Vortec cylinder heads.
Assembled with an 8-quart Circle Track racing oil pan
A unique dual-pattern camshaft helps deliver more than 300 lbs.-ft. of torque between 2,000 and 5,500 rpm-peaking at 396 lbs.-ft. at 3,800 rpm.
Includes balancer, HEI distributor, and Aluminum high-rise, dual-plane intake manifold.
Fully GM assembled long block
Steel Valve Cover with Chevy Bowtie Logo Breathers
High Rise Aluminum Intake Manifold
HEI Distributor
8″ Harmonic Balancer
Oil pump, pick-up and 8 quart oil pan
Front timing cover
Charts

Start-Up/Break In Procedure (PDF)

Valve Adjustment Procedure (PDF)

Warranties

PLEASE NOTE:

Chevrolet/GM Performance’s Crate Engine Warranty will not cover engines that fall into the following categories:

Any vehicle that has been used for racing (on or off track), stunt driving, performance testing, or used under other extreme operating conditions
Racing engines and/or components.