Zippers ThunderJet EFI Intake Manifold 109-713 for 4.975-4.980 Inch Cylinders

ThunderJet EFI Intake Manifold for 4.975-4.980 inch long cylinders is an oversize CNC machined casting that replaces the 44mm factory design used on Delphi equipped models. It directly targets high-performance builds by increasing intake airflow capabilities to unlock power gains on tuned engines.

Designed for performance enthusiasts, this manifold is engineered to deliver increased airflow to optimize engine efficiency and power output. Its robust construction and precise machining support reliable operation under demanding conditions.

Compatibility and installability: It works with 117-inch kits or 120-inch Axtell engines equipped with S&S flywheels, making it a versatile choice for custom builds and upgrades. It accepts factory electronic components, including injectors, simplifying assembly and maintenance.

For a complete upgrade, order the compatible throttle body, air filter, and cover separately. The ThunderJet EFI Intake Manifold is proudly made in the USA, reflecting high-quality craftsmanship and attention to detail.

• Substantially increases intake airflow for performance gains
• Compatible with 117-inch kits or 120-inch Axtell engines with S&S flywheels
• Accepts factory electronic components including injectors
• Designed for easy assembly and reliable operation
• Made in the USA

ThunderJet EFI Intake Manifold for 4.975-4.980 inch long cylinders is an oversize CNC machined casting that replaces the 44mm factory design used on Delphi equipped models.

The Zippers ThunderJet EFI Intake Manifold significantly enhances intake airflow capabilities, delivering impressive performance gains for high-powered engines. Designed specifically to meet the demands of performance enthusiasts, this system ensures increased airflow to optimize engine efficiency and power output. Its compatibility with 117-inch kits or 120-inch Axtell engines equipped with S&S flywheels makes it an ideal choice for custom builds and upgrades.
Constructed with precision and ease of installation in mind, the ThunderJet EFI Intake Manifold is engineered to accept factory electronic components, including fuel injectors, simplifying assembly and maintenance. Its durable design ensures reliable performance under demanding conditions, making it a valuable addition to any performance engine setup.
For a complete upgrade, consider ordering the compatible throttle body, air filter, and cover separately. The product is proudly made in the USA, reflecting high-quality craftsmanship and attention to detail. Whether you're customizing a vintage engine or building a high-performance machine, this intake manifold offers the airflow capacity needed to push your engine to new heights.

Features:

• Substantially increases intake airflow for performance gains

• Compatible with 117-inch kits or 120-inch Axtell engines with S&S flywheels

• Accepts factory electronic components including injectors

• Designed for easy assembly and reliable operation

• Made in the USA