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

• 3.850" stroke cast iron crank
• 6.605" big beam forged rods with ARP rod bolts
• 10½ to 1 compression pistons

More special features of this engine include:

• Seasoned 2-bolt main block, vatted, magnaflux checked for cracks, thermal cleaned, steelabrated, bored and honed and plateau honed to fit new pistons
• Deck head gasket surface on block to ensure a good seal
• New CompCams Hydraulic flat tappet cam with .584"Int/.588"Exh valve lift
• Aluminum heads with 2.245"Int/1.744"Exh Cobra Jet size stainless swirl polished valves with undercut stems to improve flow - similar to Cobra Jet head
• Screw-in studs and guide plates
• New Hardened exhaust seats for use with leaded or unleaded fuel
• New 1.440" high performance springs set up to match cam
• New Spiral-type valve guides for better oil retention
• New High temperature valves seals
• New Hardened push rods
• New Adjustable roller tip rocker arms
• New Perfect Circle rings
• New Double row timing set
• New High volume oil pump with steel drive shaft and bolt on oil pickup tube
• New Brass expansion plugs
• New Edelbrock Performer RPM aluminum intake manifold. This dual plane intake constant cross-sectional area design builds low end and mid-range acceleration while optimized runner path make top-end hp
• This engine takes a square bore carb. It works best with a 850cfm carb (not included)
• All parts are painted separately before assembly for that show quality look

This engine comes completely assembled with oil pan, timing cover, harmonic balancer, valve covers, and Edelbrock intake manifold. We even supply a new a/t flexplate with this engine.