The balanced rotating assembly (typically includes 3.750" stroke crankshaft, forged pistons, file-fit rings, 6" high performance connecting rods, hardened racing rod bearings, race style balancer, and heavy duty flexplate) featured in this engine:

• 3.750" stroke cast/steel crank
• 6" I-beam racing rods
• 10½ to 1 compression forged 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 heavy duty race style automatic transmission flexplate - 14" diameter, 168 teeth
• Deck head gasket surface on block to ensure a good seal
• New Hydraulic flat tappet cam with .540" valve lift
• New Aluminum heads with bronze guides, hardened valve seats for use with leaded, unleaded or race fuels, 64cc chamber, 2.02"Int/1.600"Exh swirl polished stainless valves with undercut stems for improved flow.
• Deburr casting and smooth exhaust ports
• New 1.440" High performance springs set up to match cam
• New Chrome moly retainers and hardened keepers
• New High temperature positive valve seals
• New Bronze valve guides
• New Screw-in rocker studs with guide plates
• New Roller rocker arms
• New Hardened push rods
• New Perfect Circle file-fit, low tension rings
• New Double roller 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 Air Gap aluminum intake manifold. The RPM Air Gap is a race winning proven design. The air gap design features an open air space that seperates the runners from the hot engine oil resulting in a cooler, denser charge for more power. Tuff Dawg Engines use the "real" Edelbrock intake manifold, Not an overseas copy!
• All parts are painted separately before assembly for that show quality look

This engine comes completely assembled with chrome oil pan, chrome dipstick and tube, chrome timing cover, race style harmonic balancer, chrome valve covers, and an Edelbrock Air Gap aluminum intake manifold.