1950 1951 1952 1953 ALL CYLINDER HEAD

Part Number: 61909

ALL  CYLINDER HEAD - Part Number 61909
Cylinder Head Chevrolet. Int Port Volume - 170cc Exh. Port Volume - 60cc Camber Volme - 54cc Deck Thickness - 5/8 in Intake Valve Size - 1.940 in Exhaust Valve Size - 1.55 in Valve Spring Diameter - 1.46 in Rocker Stud Diameter - 3/8 in Pushrod Diameter (A) - 5/16 in Maximum Valve Lift - .600 in Bolt Torque (G) - 65 Recommended Gaskets: Head Gasket - GM #10168457 Intake Gasket - GM #12367777 Exhaust Gasket - #7204 (E) Footnotes: (A) Width of slot in guide plate (B) Recommended valve sizes, not maximum (C) Approximate Figures (D) Valves .120 in longer than stock (E) Edelbrock gaskets, other listings are Fel-Pro unless specified otherwise (F) #61459 and #61559 (G) Head bolt torque in ft/lbs.; studs use manufacturer's specs (H) For Mark IV; Gen V/VI use FP #1037; 502 Use FP#1047 (J) 70/80 for 7/16 in bolts; 100/110 for 1/2 in bolts (K) Flat tappet valve springs; Roller lifter springs = .670 in Not legal for sale or use on pollution controlled motor vehicles.
Chevrolet Int Port Volume 170cc 1950 1951 1952 1953

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