Ford SB 289 302 351 Windsor 190cc 62cc Hydraulic Roller Assembled Cylinder Heads

• Assembly Specifications

Max Lift: .580
Coil Bind: .740
Intake Install: 145lbs @ 1.9
Exhaust Install: 145lbs @ 1.9
Closed Sear Pressure: 145lbs
Open Seat Pressure: 360lbs

• Cylinder Head Specification
  

  Part Number:	PCE281.2048
  Part Type:	Cylinder Head [Assembled]
  Product Line:	Hydraulic Roller Tappet
  Cylinder Head Style:	Assembled
  Cylinder Head Material:	Aluminum
  Cylinder Head Finish:	Natural
  Combustion Chamber Volume (cc):	62 cc
  CNC-Machined Combustion Chamber:	No
  Intake Runner Volume (cc):	190 cc
  Exhaust Runner Volume (cc):	n/a
  CNC-Machined Intake Runner:	No
  CNC-Machined Exhaust Runner:	No
  Intake Port Shape:	Rectangular
  Intake Port Location:	Standard
  Exhaust Port Shape:	Square
  Exhaust Port Location:	Standard
  Spark Plug Style:	Standard
  Comp. Valve Job:	No
  Intake Valves Included:	Yes
  Intake Valve Diameter (in):	2.020 in.
  Exhaust Valves Included:	Yes
  Exhaust Valve Diameter (in):	1.600 in.
  Valve Springs Included:	Yes
  Maximum Valve Lift (in):	0.580 in.
  Outside Diameter of Outer Spring (in):	1.450 in.
  Damper Spring Included:	Yes
  Number of Springs Per Valve:	Dual
  Retainers Included:	Yes
  Retainer Material:	Chromoly steel
  Locks Included:	Yes
  Lock Style:	10 degree
  Valve Stem Seals Included:	Yes
  Valve Stem Seal Style:	Positive stop
  Rocker Arm Studs Included:	No
  Rocker Arms Included:	No
  Rocker Arm Nuts Included:	No
  Guide plates Included:	No
  Valve Cover Mounting Style:	Perimeter Bolt
  Accessory Bolt Holes Drilled:	Yes
  Intake Valve Angle:	20 deg.
  Exhaust Valve Angle:	20 deg.
  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.