12629062 /12711770 Chevrolet Performance L92 Cylinder Head for 4.000 bore -12629062
Cylinder Head Style: Assembled
Cylinder Head Material: Aluminium
Intake Port Shape: Rectangular
Intake Valve Diameter (in.): 2.165 in.
Cylinder Head Colour: Natural
CNC-Machined Combustion Chamber: No
CNC-Machined Intake Runner: No
CNC-Machined Exhaust Runner: No
Intake Port Location: Standard
Exhaust Port Shape: D-port
Exhaust Port Location: Standard
Spark Plug Style: Straight
Intake Valves Included: Yes
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in.):1.590 in.
Valve Springs Included: Yes
Maximum Valve Lift (in.):0.510 in.
Camshaft Style: Hydraulic roller
Damper Spring Included: No
Number of Springs Per Valve: Single
Retainers Included: Yes
Retainer Material: Steel
Locks Included: Yes
Valve Stem Seals Included: Yes
Rocker Arm Studs Included: Yes
Rocker Arm Nut Thread Size: 3/8 in.-24
Rocker Arms Included: No
Rocker Arm Nuts Included: No
Guide plates Included: No
Accessory Bolt Holes Drilled: No
Valve Guides Included: Yes
Valve Seats Machined: Yes
Steam Holes Drilled: No
Oiling Style: Through pushrod
Machined for O-Ring: No
Heat Crossover: No