The balanced rotating assembly (typically includes crankshaft, pistons, rings, connecting rods, rod bearings, and balancer) featured in this engine:

• 3.484" stroke crank one piece rear seal
• 5.7" forged big beam rods with ARP rod bolts
• 9 1/2 to 1 compression hypereutectic flat top pistons

More special features of this engine include:

• Seasoned 4-bolt main block with one piece rear main seal to prevent oil leaks
• Block has provision for mechanical fuel pump
• Engine comes with automatic transmission flexplate - 14" diameter, 168 teeth
• New Hydraulic flat tappet cam with .523" valve lift
• New ProComp Aluminum heads with 64cc combustion chambers and 2.020"Int/1.600"Exh swirl polished stainless valves with undercut stems for even more flow
• Hardened exhaust seats for use with both leaded or unleaded fuels
• New 1.440" High performance springs set up to match cam
• New High temperature valve seals
• New Bronze valve guides
• New Full roller rocker arms with guide plates
• New Hardened push rods
• New Perfect Circle rings
• New Double row timing set
• New High volume oil pump with welded big pickup screen and steel drive shaft and steel guide
• New Revolutionary 1-pc design molded rubber oil pan gasket with load limiters to prevent over-tightening and higher temperature resistance than standard cork-rubber gaskets
• New Brass expansion plugs
• New Edelbrock RPM Air Gap aluminum intake manifold for use with squarebore carb (not included). This unique design seperates the hot engine valley from the air/fuel mixture for a cooler, denser charge and more power throughout the rpm range
• All parts are painted separately before assembly for that show quality look

This engine comes completely assembled with oil pan, driver side chrome dipstick and tube, chrome timing cover wih stamped Chevy Bow Tie, Powerforce harmonic balancer, chrome valve covers with Chevy Bow Tie stamped in them to match timing cover, and an Edelbrock RPM Air Gap aluminum intake manifold.