The Holley HP 750 main body kit upgrades 1-1/16 bore vacuum secondary carburetors to high performance without a complete carb swap! Very versatile main body for racing on a budget and street use, too. Includes vent tubes, air correctors, squirters and screws, base gasket and mounting screws. 134-300VSSA. Manufactured in Bowling Green, Kentucky.

FEATURES:

• For 650, 750, and 780 1-11/16 bore carburetors.
• Calibrated for a hot street/strip motor for outstanding throttle response, drivability, and maximum performance.
• Aluminum contoured design reduces turbulence and smooths air entry into the venturi.
• Adjustable 10-32 air correctors for dialing in the high speed and idle fuel curves. 
• Eliminates choke tower of standard Holley vacuum secondary.

SPECS:

Primary Venturi: 1.38 (1-3/8)
Secondary Venturi: 1.44 (1-7/16)
Throttle Bore: 1.69 (1-11/16)
Booster Style: Downleg
Booster Size: .140
Idle Air Bleed: .071
Main Air Bleed: .036

$207. Email to order or inquire. Trade in your old main body for credit!

View the Holley Old Model vs Q-Series Carb Sizing guide for historical and current carb sizing.