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AFR - Airflow Research 1055

210cc Eliminator Race Aluminum Cylinder Heads SB-Chevy

AFR - Airflow Research 1055

033-1055

made in usa
jegs shipping
FREE Shipping
Ships 12/15/16 if Ordered Today
AFR - Airflow Research 1055 210cc Eliminator Race Aluminum Cylinder Heads SB-Chevy $1,745.03
210cc Eliminator Race Aluminum Cylinder Heads
  • SB-Chevy
  • Race Ready CNC Porting
  • 75cc Combustion Chambers
  • Spread Exhaust Port Configuration
  • Angle Spark Plug
  • Assembled
  • Sold in Pairs, 2/pkg.

  • AFR - Airflow Research 1055 Details

    Race Ready CNC Porting Eliminator Heads

  • Spread Exhaust Port Configuration
  • 210cc Intake Port
  • 80cc Exhaust Port

    Small Block Chevy 210cc 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, 2.080'' 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 6300-6500
    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 210cc 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 375-1409
    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 75cc
    Intake Port 210cc
    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.

  • Specifications:

    Manufacturer's Part Number:
    1055

    Powerful and Proven with
    Standard Valve and Stud Locations!

    These reasonably priced AFR 210cc intake port small block Chevy angle plug cylinder heads are available in two stages of performance. The Race Ready version features 100% CNC ported intakes while the higher flowing Competition version features 100% CNC ported intakes with greater detail. Both come with 100% CNC ported combustion chambers and 80cc exhaust ports with a 3/4'' thick head deck (ideal for nitrous or blower applications). Standard valves are lightweight 8mm diameter stem, 2.080'' intake and 1.600'' exhaust with AFR's hardened ductile iron interlocking valve seats. The exceptional flow characteristics, 23° valve angle, and standard valve spacing make this the perfect head for 350-400ci engines in bracket drag cars, sportsman oval track racers, and highly modified street class cars operating between 3000 and 7500 rpm (higher rpm ranges possible depending on combination of parts). No special parts are required. Dual valve cover bolt pattern is standard. Exhaust port and bolt pattern are raised .250'' (1/4'') over GM L98 cyilnder heads, this rarely affects header or chassis fitment. These 210cc aluminum cyilnder heads are available in either standard port or spread port exhaust configurations. Spread port heads have the center exhaust ports spread apart 5/8'' over stock L98 GM heads. The reason for spread port heads is to achieve additional cooling in the center of the head where the heat concentration is greatest. As standard headers do not fit, spread port headers are required since the center ports are spread further apart then stock GM products. The increased spacing on the exhaust port also requires the use of exhaust gasket Fel-Pro p/n 375-1409. Spread port heads only come with a Stahl bolt pattern. AFR's spread port head has all the benefits and features of AFR's standard head. Made in USA.

    210cc Eliminator Race Cylinder Head Features:
  • 100% CNC Ported Combustion Chambers
  • 100% CNC Ported Exhaust Ports
  • 100% CNC Ported Intake Ports
  • Competition 5-angle Valve Job
  • 210cc Intake Ports
  • 80cc Exhaust Ports
  • Bead Lock Intake Valve, 2.080'' x 5.006'' Overall Valve Length
  • Bead Lock Exhaust Valve, 1.600'' x 5.024'' Overall Valve Length
  • PAC Racing Valve Spring: 1.550'' OD Solid Roller Dual Valve Spring, 225 lbs on seat, .710'' maximum lift, Max RPM 6300-6500
  • 10° Manley 4140 Chrome Moly Retainers
  • 10° Bead Lock Valve Keepers
  • 7/16'' Rocker Studs
  • Adjustable 5/16'' Guide Plates
  • Viton Valve Seals
  • Hardened Spring Cup
  • Intake Valve Seats
  • Exhaust Valve Seats
  • Bronze Valve Guides
  • Standard or Spread Port Exhaust Bolt Pattern

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