GM Performance Cylinder Head, NHRA Legal, Aluminum, Bare, 118cc Chamber, 315cc Intake Runner, Chevy, Big Block, Each (PART #GMP-12363408)

SPECIFICATIONS

Brand GM Performance
Manufacturer's Part Number 12363408
Part Type Cylinder Heads
Combustion Chamber Volume (cc) 118
Intake Runner Volume (cc) 315cc
Cylinder Head Style Bare
Cylinder Head Material Cast aluminum
Intake Port Shape Rectangular
Intake Valve Diameter (in.) 2.190 in.
CNC-Machined Combustion Chamber No
CNC-Machined Intake Runner No
CNC-Machined Exhaust Runner No
Intake Port Location Standard
Exhaust Port Shape Square
Exhaust Port Location Standard
Intake Valves Included No
Exhaust Valves Included No
Exhaust Valve Diameter (in.) 1.880 in.
Valve Springs Included No
Damper Spring Included No
Retainers Included No
Locks Included No
Valve Stem Seals Included No
Rocker Arm Studs Included No
Rocker Arm Nut Thread Size 7/16 in.-20
Rocker Arms Included No
Rocker Arm Nuts Included No
Guideplates Included No
Accessory Bolt Holes Drilled Yes
Valve Guides Included Yes
Valve Guide Material Bronze
Valve Seats Machined No
Valve Seat Material Steel
Cylinder Head Color Natural
Steam Holes Drilled No
Oiling Style Through pushrod
Machined for O-Ring No
Heat Crossover No
Remanufactured No
Quantity Sold individually.
Notes NHRA legal for Stock and Super Stock classes.