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Note: Cylinder Head, E-Street, Assembled, Chevy Small Block, Natural Aluminum, Straight Plug, 185 CC Intake Port, 60 CC Exhaust Port, 64 CC Chamber Volume, 2.02 Inch Intake Valve, 1.60 Inch Exhaust Valve, 1.25 Inch Spring Diameter, Set Of 2, With Pushrod Guides, Rocker Studs
Key Features
- A356 Aluminum Castings That Are Heat Treated To T6 Spec For Superior Casting Strength And Quality
- Their Modern Combustion Chamber Designs Improve The Combustion Process And Larger Than Stock Intake And Exhaust Ports Move More Air Through Your Engine
- Heli-Coil Threaded Inserts In The Rocker Stud Bosses For Proper Torque Load Without Damaging Threads
- Hardened Spring Cups Between The Valve Springs And Casting For Wear Protection
- Limited 1 Year Warranty
Technical Details
- Condition: New
- Engine Compatibility: Chevy Small Block V8 4.3L-6.6L 262-400 Cubic Inch
- Style: Assembled
- Finish: Satin
- Material: Aluminum
- CNC-Machined: Yes
- Combustion Chamber Volume cc: 64 Cubic Centimeter
- Intake Runner Volume CC: 185 Cubic Centimeter
- Exhaust Runner Volume CC: 60 Cubic Centimeter
- Port Shape: Rectangular
- Intake Port Location: Standard
- Exhaust Port Location: Standard
- Intake Valve Diameter IN: 2.02 Inch
- Exhaust Valve Diameter IN: 1.6 Inch
- Includes Valves: Yes
- Spark Plug Angle: Straight
- Rocker Arm Nut Thread Size: 3/8 Inch
- Includes Rocker Arm Studs: Yes
- Valve Lock Type: 7 Degree
- Valve Stem Seal Type: Umbrella
- Valve Guide Material: Manganese Bronze
- Number Of Springs Per Valve: 1
- Valve Seats Machined: Yes
- Steam Holes Drilled: No
- Machined For O-Ring: No
- Includes Guideplates: Yes
- Includes Damper Spring: Yes