For Chevy BBC 396 454 7.4L 65-00 Natural Aluminum Bare Cylinder Head 330cc/122cc For Chevy BBC 396 454 7.4L 65-00 Natural Aluminum Bare Cylinder Head 330cc/122cc

Description:
For 1965-2000 Big Block Chevy 396 427 454 496 502 7.4l V8 Engines.
Spark Plug Style: Angle
Material: Aluminum
Style: Bare
Finish: Natural
Combustion Chamber Volume: 122cc
Intake Runner Volume: 330cc
Exhaust Runner Volume: 140cc
Intake Valve Diameter: 2.250"
Exhaust Valve Diameter: 1.880"
Valve Stem Diameter: 11/32"
Valve Guide Material: Manganese Bronze
Intake Port Shape: Rectangle
Intake Port Location: Standard
Exhaust Port Shape: Square
Exhaust Port Location: Standard
Valve Seat Machine Style: 3-Angle
Valve Seat Material: Ductile Iron
Valve Cover Mounting Style: Perimeter Bolt
Pre-Drilled Accessory Bolt Holes.
Multi-Angle Seat Design For Improved Flow At Low Lifts.
Thick Deck To Resist Warping And Allow For Additional Milling If Desired.
High-Grade Aluminum, Bronze Valve Guides, And Advanced Port Design For Greater Airflow.
Package: Including All Items In The Pictures.
Note: Professional Installation is Highly Recommended (No Instruction Included).