Modified 1958 Chevrolet Bel Air Impala Sport Coupe

Description

Introduced in 1958 as the premium trim level of Chevrolet’s Bel Air line, the Impala was a bold, one-year-only body style that set the stage for its evolution into a standalone model the following year. Distinguished by its lower roofline, elongated rear deck, and signature triple taillights, the Bel Air Impala Sport Coupe combined luxury and performance in a way that redefined Chevrolet’s design language. With its sculpted rear fenders and upscale interior, the 1958 Impala quickly became a symbol of postwar American automotive ambition.

This tastefully modified 1958 Bel Air Impala Sport Coupe blends vintage styling with modern mechanical upgrades. It’s powered by a modern GM ZZ4 350 cu-in V8 crate engine, mated to a TREMEC five-speed manual transmission for a more engaging driving experience. Additional enhancements include upgraded brakes, air conditioning, and a Continental spare tire enclosure kit. The car’s condition and upgrades reflect careful ownership with a focus on drivability.  

Highlights 

• Powered by a GM ZZ4 350 cu-in V8 rated at 355 hp and 405 lb-ft of torque 

• TREMEC five-speed manual transmission 

• Upgraded power front disc brakes 

• Electronic ignition system 

• Air conditioning 

• The chassis number (F58N174635) decodes as: 

  • F – 1800 Impala / Bel Air / Nomad, 8 Cylinder 

  • 58 – 1958 model year 

  • L – Los Angeles, California assembly plant 

  • 174058 – Sequential production number 

Features 

• Edelbrock carburetor with Holley twin sidedraft air cleaners

• Period-correct styling with modern drivability 

• 120 mph horizontal speedometer 

• Factory faux exhaust outlets 

• Factory-style fender skirts 

• Aftermarket AM/FM radio 

• Wraparound windscreen 

• Two-inch drop spindles 

• Power-steering 

• Dual exhaust 

Known Imperfections 

• Dash-mounted speaker control knob is inoperable due to aftermarket radio 

• Odometer has rolled over past 99,999 miles  

• Inoperable clock 

Included 

• Spare tire (Continental kit)

• Painted fender side skirts 

Ownership History 

The current owner purchased this 1958 Chevrolet Bel Air Impala Sport Coupe last year from a previous longtime caretaker who “owned the car on-and-off for almost 20 years.” Since taking stewardship, the seller has enhanced the vehicle by “repairing a bump in the rear driver’s side taillight section” in addition to getting the air conditioning working, installing “highway patrol” hubcaps, and replacing/repairing some brightwork.