Brodix Cylinder Heads BB-3 Xtra Cylinder Heads for Big Block Chevy BB3 XTRA O PKG

Cylinder Head, BB-3 Xtra, Assembled, Aluminum, 115cc Chamber, 335cc Intake Runner, Chevy, Big Block, Each

Combustion Chamber Volume (cc): 115

Intake Runner Volume (cc): 335cc

Cylinder Head Style: Assembled

Cylinder Head Material: Aluminum

Intake Port Shape: Oval

Intake Valve Diameter (in.): 2.300 in.

Cylinder Head Finish: Natural

CNC-Machined Combustion Chamber: No

CNC-Machined Intake Runner: No

CNC-Machined Exhaust Runner: No

Intake Port Location: Raised

Exhaust Port Shape: Round

Exhaust Port Location: Standard

Spark Plug Style: Straight

Intake Valves Included: Yes

Exhaust Valves Included: Yes

Exhaust Valve Diameter (in.): 1.880 in.

Valve Springs Included: Yes

Maximum Valve Lift (in.): 0.800 in.

Outside Diameter of Outer Spring (in.): 1.625 in.

Damper Spring Included: Yes

Number of Springs Per Valve: Dual

Retainers Included: Yes

Retainer Material: Titanium

Locks Included: Yes

Lock Style: 10 degree

Valve Stem Seals Included: Yes

Rocker Arm Studs Included: Yes

Rocker Arm Nut Thread Size: 7/16-20 in.

Rocker Arms Included: No

Rocker Arm Nuts Included: No

Guideplates Included: Yes

Guideplate Pushrod Size: 3/8 in.

Valve Cover Mounting Style: Perimeter bolt

Accessory Bolt Holes Drilled: Yes

Intake Valve Angle: 24

Exhaust Valve Angle: 15

Valve Guides Included: Yes

Valve Guide Material: Phosphorous bronze

Valve Seats Machined: Yes

Valve Seat Machine Style: 5-angle

Valve Seat Material: Ductile iron

Steam Holes Drilled: No

Oiling Style: Through pushrod

Machined for O-Ring: No

Heat Crossover: No

Quantity: Sold individually.