• Holley Carburetor Kits 134-300S Item Image
1 1
Holley EFI

Holley HP MAIN BODY UP-GRADE - POLISHED

Holley HP MAIN BODY UP-GRADE - POLISHED

sku: 1D4WB | mpn: 134-300S
$321.60
$321.60
Sale Sold out
Shipping calculated at checkout.

Low stock: 6 left

Emissions

This is not an emissions item.
  • Ships Worldwide
  • Easy Returns
  • Fast Shipping

HP Main Body Retro Fit Kit

HP Main Body Retro Fit Kit For Holley Double Pumper® Carburetors

This retrofit main body kit converts 0-4777S (650 CFM), 0-4778S (700 CFM), and 0-4779S (750 CFM) carburetors to a 750 CFM HP main body for increased horsepower, torque & airflow.

Features:

  • All Necessary Parts Are Included
  • Simple Installation With Common Hand Tools
  • Pre-Calibrated At The Factory For Optimum Performance and Drivability on a Wide Variety of Applications
  • Reduces Turbulence And Smoothes Air Entry Into The Venturi
  • Eliminates Choke Tower and Associated Hardware of Standard Holley Double Pumper®
  • Eligible For Holley Contingency Programs
View full details