THUNDERMINGO Carburetor for Carter YF 1‑Barrel — D5TZ9510AG Direct‑Fit for 1975–1982 Ford 240/250/300 Inline‑6, Pre‑Assembled

This precision-cast carburetor from THUNDERMINGO is engineered as a bolt-on replacement for classic Ford and many Jeep CJ5 applications that used the single-barrel YF pattern. It matches the Carter YF footprint and common Ford part numbers so you can restore throttle response and drivability without rebuilding an original unit. The design prioritizes fitment accuracy and pre-assembly testing, but professional installation and cleaning of fuel and air passages are recommended for best results.

Will this carburetor fit my 1975–1982 Ford 240/250/300 engine?

Yes—this unit is made to match the Carter YF single-barrel configuration used on those Ford inline six engines. Confirm the mounting bolt spacing and intake throat diameter on your existing carb before ordering to ensure compatibility.

• Intake inner diameter: 43 mm (1.72 in)
• Longest mounting bolt distance: 85 mm (3.35 in)
• Shortest mounting bolt distance: 58 mm (2.28 in)
• Replaces part numbers D5TZ9510AG, D5TZ-9510AG, RSC-300A

What vehicles and part numbers does this replace?

This THUNDERMINGO carburetor fits Carter YF-type single-barrel applications and replaces several Ford and aftermarket numbers commonly found on older trucks and Jeeps. It’s suitable for many CJ5 and early Ford models that used the YF 7109S footprint.

• Primary fitment: 1975–1982 Ford 240 / 250 / 300 inline-6 engines
• Also fits: many Jeep CJ5 and older Ford vehicles using single-barrel YF carbs
• Compatible replacement numbers: RSC-300A, 6307S, 6054, 6055 and related codes

How should I prepare for installation and what should I expect during setup?

Before installing, remove any debris from oil and fuel channels and replace the air filter to prevent blockages. There are no detailed instructions included, so plan for a professional or experienced mechanic to install and fine-tune the carburetor for optimal idle and mixture settings.

• Clean fuel and air lines before installation
• Clear oil passages and any casting flash from inlet ports
• Professional installation recommended—no instruction manual included
• Verify old part number against the replacements listed to confirm match

What are the build and quality highlights of this replacement carburetor?

THUNDERMINGO builds this carburetor to precise tolerances, assembling and testing components to ensure a reliable replacement for a failed original. The unit arrives pre-assembled and ready for bench or vehicle installation, with focus on dimensional accuracy and component fit.

• Precision construction aimed at direct replacement without major modification
• Pre-assembled and bench-tested components for consistency
• Intended as a cost-effective alternative to rebuilding rare stock units
• Customer support available for fitment confirmation prior to purchase

Who is this for: Classic Ford owners, restoration shops, and Jeep enthusiasts who need a reliable, direct-replacement single-barrel Carter YF carburetor for 1975–1982 Ford inline-6 engines or similar YF-pattern applications. Choose this THUNDERMINGO unit if you need accurate bolt-on fitment, a replacement for D5TZ9510AG/RSC-300A style parts, and are prepared to have the carb professionally installed and tuned.