Chevrolet Crate Engine, GM - 355ci (Chevy Small Block) Vortec Heads - 385hp

This is a 4 bolt main 350 block - Square and parallel decked - Align honed main bearing bore - Cylinders honed on computer controlled machine to within .0002 straightness and roundness - Cylinders are sonic tested for thickness.64cc Chamber
Rotating Assembly:
New SCAT cast crankshaft - Keith Black Hypereutectic pistons - Chevy heavy beam rods with 150,000 psi bolts - Hastings Moly rings - Balanced rotating assembly - Melling high volume oil pump - Clevite 77bearings - Flat tappet hydraulic lifter camshaft - Heavy duty double roller timing set.
Cylinder Heads:
Cast iron "VORTEC" heads - 1.25 diameter valve springs - Hardened retainers and keepers - 2.02 swirl polished intake valves - 1.60 swirl polished exhaust valves - Hardened push rods.
A Ton Of Extras:
Professional Products dual plane, satin finish intake manifold - 9.5 to 1 compression - New chrome valve covers - Brass freeze plugs - Passenger side dipstick (Drivers side dipstick available. Please specify below prior to clicking "BUY NOW" button) Passenger side dipstick.
Cam Specs: lift 480 and 486 duration 224 and 230.
Dyno tested and shipped with dyno results.
NOW comes with 30 month / 50,000 mile warranty.
*Requires non-weighted balancer.
Requires use of early non-weighted flexplate or neutral balanced flywheel
NOTE: THIS ENGINE WILL NOT WORK FOR APPLICATIONS REQUIRING EGR

This part fits most Chevrolet Cars and Trucks.; exceptions may apply. Please read the complete description to see if this part fits your specific vehicle and application.