R42TS ACDelco Spark Plug

• Cadillac - Cimarron (1982-1986)
• Chevrolet - Camaro V6 2.8 (1986-1987); Cavalier (1983-1986); Celebrity V6 2.8 (1982-1986); Chevette (1987), L4 1.6 (1982-1986); Citation V6 2.8 (1982-1983); Citation II V6 2.8 (1984-1985); S10 L4 2.0 (1983-1984), V6 2.8 (1986-1987); S10 Blazer L4 2.0 (1983-1984), V6 2.8 (1986-1987)
• GMC - S15 L4 2.0 (1983-1984), V6 2.8 (1986-1987); S15 Jimmy L4 2.0 (1983-1984), V6 2.8 (1986-1987)
• Oldsmobile - Cutlass Ciera V6 2.8 (1986); Firenza L4 2.0 (1985-1986), V6 2.8 (1985-1986); Omega V6 2.8 (1982-1984)
• Pontiac - Fiero V6 2.8 (1985-1988); Firebird V6 2.8 (1983-1987); J2000 (1982-1983); J2000 Sunbird L4 2.0 (1985); Phoenix V6 2.8 (1982-1984); Sunbird L4 2.0 (1986); T1000 (1982-1985); 6000 V6 2.8 (1982-1986)

Pre-Gap Size (in):    0.04
Reach (in):    0.431
Resistor Type:    Yes
Seat Type:    Tapered
Thread Diameter (in):    0.551
Ground Electrode Quantity:    1
Approximate Resistor Value:    2-12 k ohms
Center Electrode Core Material:    Copper
Center Electrode Tip Material:    Nickel Alloy
Ground Configuration:    Standard
Ground Electrode Tip Design:    Standard
Hex Size (in):    5/8
Insulator Height (in):    2.274
Manufacturer Heat Range:    2