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Holley is the legendary American carburetor and fuel-injection brand — over 100 years of induction history. From the iconic 4150 four-barrel to today's Sniper EFI conversions, Holley remains the choice for muscle car restorations, Pro Mod, and gasser builds.
Achieving the perfect air-fuel ratio is critical for engine performance, and these Holley #78 main jets provide the exact flow rate needed for your high-performance setup. Engineered for consistency, these jets feature a .087-inch inner diameter, ensuring your Holley carburetor delivers the precise fuel volume required for peak horsepower and throttle response.
Whether you are dialing in a race car or fine-tuning a street machine, these jets are essential for managing your engine's fuel curve. The #78 size is a staple for enthusiasts looking to optimize mid-to-high RPM performance. Always ensure your fuel system is clean before installation to prevent debris from clogging these precision-drilled orifices. For all your high-performance fueling needs, trust the selection at GGCRACING.
Other popular Holley products customers consider together:
Holley is the legendary American carburetor and fuel-injection brand — over 100 years of induction history. From the iconic 4150 four-barrel to today's Sniper EFI conversions, Holley remains the choice for muscle car restorations, Pro Mod, and gasser builds.
Achieving the perfect air-fuel ratio is critical for engine performance, and these Holley #78 main jets provide the exact flow rate needed for your high-performance setup. Engineered for consistency, these jets feature a .087-inch inner diameter, ensuring your Holley carburetor delivers the precise fuel volume required for peak horsepower and throttle response.
Whether you are dialing in a race car or fine-tuning a street machine, these jets are essential for managing your engine's fuel curve. The #78 size is a staple for enthusiasts looking to optimize mid-to-high RPM performance. Always ensure your fuel system is clean before installation to prevent debris from clogging these precision-drilled orifices. For all your high-performance fueling needs, trust the selection at GGCRACING.
Other popular Holley products customers consider together:
