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BX45 Billet Series Main Sections

All New! BX45 Series Billet Main Bodies are the finest in all USA manufactured billet 4500 series main sections.
Designed to provide the highest degree of quality and function, the BX45 series body uses all standard Holley® 4500 series components.
Available with TPS provision that doubles as a wide-open switch bracket, for nitrous applications.
Ability up to 2.375" throttle bores. Makes this a great retrofit or custom build application.
Available in 2.000, 2.125, 2.200, and 2.375 Throttle bores. For custom sizes please speak with your sales representative.
In stock sizes:
1050 - 1.720 , 1.750
1150 - 1.820, 1.850
1250 - 1.890, 1.900, 1.910
1350 - 1.920, 1.950, 1.960
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