STS Track 1 T1 F 225 Series Cylinder Head
• 225cc Intake Ports
• 68cc Combustion Chambers
• 2.100'' Intake / 1.600'' Exhaust Valve Sizes
• Bare, 2/pkg.
  
  

  This head is sold as an unassembled bare casting. It is finished machined and includes valve guides and valve seats installed. This head does NOT include rocker studs, valves, springs, retainers or locks.

  Cylinder Head Specifications
• Intake Port Volume: 225cc
• Combustion Chamber Volume: 68cc
• Valve Sizes: 2.100' Intake / 1.600' Exhaust ( 11/32' Stem Diameter )
• Spark Plug Configuration: Angled
  Facts and Related Components
• Torque Heads: 100 ft-lb. with 1/2' Studs; 70 ft-lb. with 7/16' Studs
• Torque Rocker Studs: 40-45 ft-lb.
• Intake Gasket: Fel-Pro 1262R (p/n 375-1262R)
• Head Gasket: Fel-Pro p/n 375-1011-1 or 375-1011-2
• Exhaust Gasket: Fel-Pro p/n 375-1487 / Brodix MG 1350
• Head Bolts: ARP p/n 070-154-4203
• Head Studs: ARP p/n 070-154-3603
• Spark Plug Specs: 14mm Thread, .750' (3/4') Reach, Gasket Seat
• Valve Angle: 20° Intake, 20° Exhaust
• Angle Milling: .010' per cc
• Flat Milling: .0060' per cc
• Valve Centerline: 53/119
• Rocker Arms: Any Ford Roller Rockers with 7/16' Rocker Studs
• Lifters: Standard
• Spring Pockets: May not be cut any larger or deeper than 1.550'
• Accessory Bolt Holes are Drilled
• Recommended Intake Manifold: Small Block Ford

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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