4.500 Series

• 13° Wedge Design
• Proven Performance
• Industry Leading Reliability


4.500 Series
WP BD 4510
• Symmetrical Port 12° Head
• Best Late Model Head Available
• +30 hp Over Wedge Heads


The BRODIX 4.500 bore spacing series opens a whole new world of development for the small block Chevrolet compatible engine. This 4.500 bore spacing feature allows for a cylinder bore of 4.250 to be utilized which greatly enhances durability and airflow. This new series offers a variety of different valve angles, port locations, and port sizes. Special components needed for proper installation include: headers, shaft rocker system, sheet metal valve covers, head stud kit, and cam core.

Flow Chart
Easy Order Numbers
Instruction Sheet

1 thought on “4.500 Bore Spacing Series Cylinder Heads/10°/12°/13°”

  1. Hello
    Interested in some more info on the 10deg 4.5 bore space wedge head for sbc please. What are the max valve dia. you can install in the offered part #. Also what are the guide spacing centers measurements? Also can the castings be purchased bare with customers own specs on guide spacing? Can you give all info on the #1450002 cc of int. and exh. vol. Max valve dia.’s Flow #’s also offered combustion cc? Thank you

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