Bosch
Nickel

Bosch 79056 Spark Plug

Brand Bosch 79056
Resistance 6000
Ground Electrode Tip Design Standard
Ground Configuration J-gap
Ground Electrode Core Material Nickel
Electrical Terminal Type Removable nut
Center Electrode Core Material Copper
Center Electrode Tip Material Nickel
Pre-Gap Size .7
Ground Electrode Quantity 1
Hex Size 16
Manufacturer Heat Range 6
Seat Type Flat
Reach 19
Insulator Material Ceramic
Resistor Type Yes
Ground Electrode Tip Material Nickel
Hex Type Hex
Center Electrode Design Standard
9746 No
Additional Accessories Included No
Automotive Item Weight (lbs) 0.072753 lb
Insulator Type Non-projected
Outdoor Power Equipment Application No
Package Contents Spark plug
Package Quantity 1
Product Length 2.940945 in
Product Width 0.712598 in
Resistor Yes
Short Style No
Spark Plug Type 4-cycle
Product line Nickel
Fits Ferrari · 1 vehicle

OE-spec design. Engineered to meet or exceed original equipment specifications.

Nickel-copper core. Heavy-duty yttrium-enhanced center electrode helps extend service life.

Resistor spark plug. Built with a 6000-ohm resistor for reliable ignition performance.

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Bosch Nickel Spark Plug for Ferrari F355

Bosch 79056 is a conventional nickel-copper spark plug built for steady ignition performance and value. It uses a copper-core center electrode with a nickel tip and a heavy-duty yttrium-enhanced design to support longer service life in the Bosch Nickel line. Compatible With 1999 Ferrari F355, this spark plug is engineered to meet or exceed OE specifications for nickel-copper core applications.

Key Features

  • Bosch Nickel line spark plug for secondary ignition service
  • Copper core center electrode with nickel tip material
  • Nickel ground electrode with standard tip design and J-gap configuration
  • Resistor spark plug with 6000 resistance rating
  • Flat seat, 10 mm thread diameter, 19 mm reach, and 16 mm hex size
  • Ceramic insulator with non-projected insulator type
  • Pre-gapped at .7 for direct replacement use

Product Details

Bosch 79056 is a conventional nickel-copper spark plug designed for drivers who want a direct OE-style replacement for the ignition system. The Bosch Nickel product line focuses on dependable performance with a copper-core center electrode and nickel-based electrode materials, helping maintain consistent spark delivery under normal operating conditions. For a 1999 Ferrari F355 spark plug replacement, Bosch 79056 provides the correct thread diameter, reach, seat type, and resistor design needed for a proper secondary ignition service part.

This part cross-references Bosch 79056 for the same application.

Common Issues This Part Can Address

  • Engine misfire caused by worn spark plug electrodes
  • Hard starting from weak or inconsistent spark output
  • Rough idle related to aged ignition components
  • Reduced throttle response from degraded plug performance
  • Service replacement for a 1999 Ferrari F355 ignition tune-up

Installation Notes and Tips

Verify the plug gap before installation and compare the thread diameter, reach, seat type, and hex size to the removed part. Use the correct torque specification for the cylinder head and inspect ignition wires or coils during service. For Ferrari F355 ignition maintenance, replace plugs only with the specified heat range and configuration for the engine.

Quality Assurance

Bosch designs this Nickel spark plug to meet or exceed original equipment specifications for nickel-copper core spark plug applications. The part number 79056 is built as a direct-fit secondary ignition component for confirmed vehicle application data.

This part fits 1 vehicle
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1999FerrariF3553.5LV8Nickel