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£118,949
Fuel-Injected, Kaase “Boss Nine”-Powered 1969 Ford Mustang Mach 1 6-Speed
United States • 31 Aug 2026
Vehicle Details
AI Listing Summary
This 1969 Ford Mustang Mach 1 boasts a powerful Jon Kaase "Boss Nine" 514ci V8 engine paired with a Tremec 6-speed manual transmission, making it a formidable restomod. The car features extensive upgrades including modern suspension, Wilwood brakes, and a custom interior with air conditioning and an advanced audio system, all completed within the last few years with minimal mileage.
Condition
8
The car has undergone a comprehensive refurbishment and customization between 2021 and 2024, with only 4,700 miles driven since completion. While the body was repainted and replacement panels/floors were installed, there is a noted crack on the gas cap emblem. The mechanicals have been significantly upgraded with a powerful Jon Kaase 'Boss Nine' V8, Tremec 6-speed transmission, and modern suspension and braking systems, indicating excellent overall condition with minor cosmetic notes.
/ 10
Transmission:
Manual
Chassis No:
9F02S199082
Odometer:
4,700 miles
Reg Number:
514HEMI
RHD/LHD:
LHD
on Build Jon Kaase 514ci Boss Nine V8 Forged Rotating Assembly/Aluminum Heads MSD Ignition & EFI Tremec Six-Speed Manual Transmission Repainted Custom Red w/Silver Base Black & Red Leather Upholstery 17" American Racing VN500 Wheels Heidts Front End/TCP 4-Link Rear Adjustable Coilovers Wilwood Brakes Air Conditioning Custom Audio Build Summary & Marti Report
This 1969 Ford Mustang was originally built as an S-code 390 Mach 1 with power steering, Royal Maroon paintwork, and a black interior.
Between 2021 and 2024 it was customized and refurbished, and it now is powered by a Jon Kaase-built 514ci “Boss Nine” V8 that uses a nodular 460 block, a forged crankshaft, Diamond forged pistons, aluminum heads, roller rockers, a COMP Cams camshaft, and MSD EFI and ignition.
The engine is linked to a Tremec T56 six-speed manual from American Powertrain and a Bous Performance 9″ rear end with a 3.70 limited-slip differential.
Supporting modifications include a Heidts Pro-G front end, a Total Con...
Points of note
£8,425
Lowest Price (Since 2020)
£46,129
Median Price (Since 2020)
£274,411
Highest Price (Since 2020)
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