BRAND NEW EDELBROCK SMALL BLOCK CHEVY E-STREET CYLINDER HEADS FOR 1955-1986 SBC ENGINES
THE EDELBROCK #5089 E-STREET CYLINDER HEADS ARE DESIGNED FOR USE WITH 1955-1986 SMALL-BLOCK CHEVY APPLICATIONS. THE EDELBROCK E-STREET CYLINDER HEADS OFFER AMERICAN MADE QUALITY AND AFFORDABLE PERFORMANCE.
E-STREET CYLINDER HEADS FEATURE AS-CAST PORTS AND ARE DESIGNED FOR ENTRY-LEVEL STREET PERFORMANCE APPLICATIONS OPERATING IN THE IDLE-TO-5500 RPM RANGE. THE MODERN COMBUSTION CHAMBER DESIGNS IMPROVE THE COMBUSTION PROCESS AND LARGER THAN STOCK INTAKE AND EXHAUST PORTS MOVE MORE AIR THROUGH YOUR ENGINE FOR IMPROVE EFFICIENCY
NOTE: FOR USE ON PRE-POLLUTION CONTROLLED VEHICLES ONLY.
NOTE: DESIGNED FOR USE WITH HYDRAULIC FLAT TAPPET CAMSHAFTS ONLY, NOT COMPATIBLE WITH HYDRAULIC ROLLER CAMSHAFTS.
NOTE: USE WITH HYDRAULIC FLAT TAPPET CAMSHAFTS .550" MAX LIFT. (NOT COMPATIBLE WITH HYDRAULIC ROLLER CAMSHAFTS).
FEATURES:
RECOMMENDED SPARK PLUGS ARE CHAMPION RC12YC OR EQUIVALENT 14MM X 3/4" REACH WITH FLAT GASKET SEAT
REQUIRES HARDENED PUSHRODS
ALL E-STREET CYLINDER HEADS ARE SOLD IN PAIRS
DYNO TESTS SHOWED A GAIN OF 16 HP AND 11 FT-LBS OF TORQUE OVER OUR OVERSEAS COMPETITOR
COMBUSTION CHAMBER VOLUME: 64CC
DECK HEIGHT: 9.025"
DECK THICKNESS: 0.5625"
INTAKE VALVE DIAMETER: 2.02"
EXHAUST VALVE DIAMETER: 1.60"
HARDENED STEEL GUIDE PLATES INCLUDED
INTAKE RUNNER VOLUME: 185CC
ROCKER STUD DIAMETER: 0.375"
VALVE ANGLE: 23 DEGREE
VALVE SPRING DIAMETER: 1.46"
VALVE SPRING MAXIMUM LIFT: 0.550"
VALVE STEM DIAMETER: 0.3438"
YOU CAN VIEW AND DOWNLOAD THE COMPLETE ASSEMBLY INSTRUCTION BOOKLETS FOR THESE CYLINDER HEADS HERE.
