220cc Eliminator Race Aluminum Cylinder Heads
• Small Block Chevy
• Competition Package Race Ready CNC Porting
• 65cc Combustion Chambers
• Standard Exhaust Port Configuration
• Angle Spark Plug
• Assembled
• Pair
  
  

  Small Block Chevy 220cc Eliminator Race Basic Package Components
  100% CNC Ported Combustion Chambers
  100% CNC Ported Exhaust Ports
  100% CNC Ported Intake Ports
  Competition 5-Angle Valve Job
  Intake Valve, 2.100' x 5.006' o.a.l.
  Exhaust Valve, 1.600' x 5.024' o.a.l.
  1.550' OD Solid Roller Dual Valve Spring, 225 lbs. on seat, .710' maximum lift, max RPM 7200-7400
  10º Manley 4140 Chrome Moly Retainers
  10º Valve Locks
  7/16' Rocker Studs
  Adjustable 5/16' Guide Plates
  Viton Valve Seals
  Hardened Spring Cups
  Intake Valve Seats
  Exhaust Valve Seats
  Bronze Valve Guides
  Small Block Chevy 220cc Eliminator Race Head Specifications
  Head Torque w/Moly Lube	65-70 Ft. Lbs.
  Rocker Stud Torque	55 Ft. Lbs.
  Intake Port Gasket, 1.310' x 2.180' w/ 3/8' radius	Fel-Pro 375-1206 - DO NOT PORT MATCH Intake Manifold to Fel-Pro Gasket.
  Exhaust Port Gasket	Fel Pro 375-1405
  Head Gasket	350ci Fel Pro 375-1003 400ci Fel Pro 375-1014
  Head Bolts & Studs	Standard ARP
  Head Bolt Washers	Manley Standard
  Stud Girdle	Standard
  Suggested Manifold	AFR p/n 033-4801, AFR p/n 033-4802 or Edelbrock Vic Jr p/n 350-2975 or Super Victor p/n 350-2925
  Spark Plug Starting Range	Autolite 3910
  Combustion Chambers	65cc
  Intake Port	220cc
  Exhaust Port	80cc
  Spring Pocket can be cut to 1.750, no deeper.
  Valve Spacing	Standard GM
  Rocker Arms	Standard
  Valve Angle	23°
  Angle Mill	.008' per cc
  Flat Mill	.006' per cc
  NOTE:	Flat and Angle mills might require a .120' thick head gasket.

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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