World Motown 220 Cast Iron Chev SB Head Designed for use in racing applications where cast iron heads are mandated or for larger displacement small block street-type engines, World's 220cc intake Motown heads are the ULTIMATE cast iron SBC head. Employing RightCast ports, big 2.080" diameter intake valves and a highly efficient 64cc combustion chamber, providing significant power increases over other heads on the market. Ideally suited for Chevy SB engines of 383 or larger.
Part Type: Cylinder Heads Combustion Chamber Volume (cc): 64 Exhaust Runner Volume (cc): 70cc Intake Runner Volume (cc): 220cc CNC-Machined Intake Runner: No CNC-Machined Combustion Chamber: No CNC-Machined Exhaust Runner: No Cylinder Head Material: Cast Iron Cylinder Head Style: Bare Intake Port Shape: Rectangular Spark Plug Style: Angle Exhaust Valves Included: No Intake Valves Included: No Retainers Included: No Damper Spring Included: No Valve Springs Included: No Locks Included: No Rocker Arm Nuts Included: No Rocker Arm Studs Included: No Guideplates Included: No Valve Stem Seals Included: No Rocker Arms Included: No Valve Cover Mounting Style: Center and Perimeter Bolt Intake Valve Angle: 23 Accessory Bolt Holes Drilled: Yes Exhaust Valve Angle: 23 Intake Valve Angle: 23 Remanufactured: No Machined for O-Ring: No Oiling Style: Through Pushrod Heat Crossover: No Cylinder Head Color: Natural Steam Holes Drilled: No Valve Guide Material: Cast Iron Valve Seats Machined: Yes Valve Seat Material: Steel Valve Seat Machine Style: 3-Angle Quantity Sold as: Individually |