AFR Enfocer-190cc RUNNER SIZE 64cc COMBUSTION CHAMBERS FOR FORD ENGINES
Intake Valve Dia: 2.02"
Intake Port volume: 190cc
Intake Port Dim: 2.0" x 1.12"
Int Port Location: Stock
Intake Gasket: Felpro# 1262
Head Gasket: Felpro# 10112
Exh Valve Dia.: 1.600"
Exh Port volume: 70cc
Exhaust Port Dim:
Exh Port Location: Stock location & bolt pattern
Exhaust Gasket: Depends on what type exhaust you're using. Best to try and match up the gasket to your header or manifold
Flow, Intake: See chart above.
Flow, Exhaust: See chart above.
Head Bolts: ARP 154-3601 not included.
Rocker Studs: ARP 3/8's or 7/16's your choice. Included
Manifold: Most any. Our line of intakes fit very well on the AFR Enforcer heads.
Milling: Min. Down to 58.5cc or 64.5 = .060" See info in this listing for details on this.
Pistons: Most aftermarket pistons.
Push Rod length:
Push rod Guide Plate: AFR adjustable guide plates included. (for 5/16" Diameter Pushrods)
Retainers/Locks: Chromoly Steel Retainers, with 7° AFR brand machined locks.
Spark Plug: Autolite #3923 14mm x 3/4" reach
Spring Pockets: 1.550" OD (.030" deeper max)
Springs: Pacaloy 1.290 premium dual springs.
Valve Length: 5.015" (+.200") for hydraulic roller cams.
Valve Stem Dia: .3415" - 8mm"
Valve Train: STD SBF 3/8" or 7/16" stud mount
Valve Guides: 1/2" OD Int = Mag-bronze Exh = Phos-bronze (.002" press)
Valve Guide length: 1.950"
Valve Guide clearance: .0014" - .002" (with our .3415 dia. valve stem)
Valve Guide Spacing: 1.890" moved .030" from stock
Valve Seats: Hardened Ductile Iron, .006" press
Valve Seat dim. Standard
Valve Seat angles: Int = 32° - 45° - 60° - 70° Exh = 37° - 45° - radius
Stud Girdle:
Torque: Head Bolts = 65 ft/lb
Rocker Studs = 55 ft/lb
Manifold = 30 ft/lb
Block Use: Any SBF Iron or Aluminum
Weight: 59-61 lbs fully assembled pair.