Cylinder Head Style:	Assembled
Cylinder Head Material:	Aluminum
Cylinder Head Finish:	Natural
Combustion Chamber Volume (cc):	64
CNC-Machined Combustion Chamber:	Yes
Intake Runner Volume (cc):	215cc
Exhaust Runner Volume (cc):	80cc
CNC-Machined Intake Runner:	Yes
CNC-Machined Exhaust Runner:	Yes
Intake Port Shape:	Cathedral
Intake Port Location:	Standard
Exhaust Port Shape:	Oval
Exhaust Port Location:	Standard
Intake Valves Included:	Yes
Intake Valve Diameter (in):	2.040 in.
Exhaust Valves Included:	Yes
Exhaust Valve Diameter (in):	1.575 in.
Valve Springs Included:	Yes
Maximum Valve Lift (in):	0.650 in.
Outside Diameter of Outer Spring (in):	1.300 in.
Damper Spring Included:	No
Number of Springs Per Valve:	Dual
Retainers Included:	Yes
Retainer Material:	Titanium
Locks Included:	Yes
Lock Style:	7 degree
Valve Stem Seals Included:	Yes
Valve Stem Seal Style:	Viton® fluoroelastomer
Rocker Arm Studs Included:	No
Rocker Arms Included:	No
Rocker Arm Nuts Included:	No
Guideplates Included:	No
Valve Cover Mounting Style:	Centerbolt
Accessory Bolt Holes Drilled:	Yes
Intake Valve Angle:	13.5
Exhaust Valve Angle:	13.5
Valve Guides Included:	Yes
Valve Guide Material:	Bronze
Valve Seats Machined:	Yes
Valve Seat Machine Style:	3-angle
Valve Seat Material:	Ductile iron
Steam Holes Drilled:	No
Oiling Style:	Through pushrod
Machined for O-Ring:	No
Heat Crossover:	No
Quantity:	Sold as a pair.
Notes:	Must be used with roller rocker arms.