U-Groove Spark Plug Header Plug; 14mm Thread; Cooper; Shorty Plug For Headers; .750 in. Reach; Champion RC8/RC9/RC10 Heat Ranges; 4 Pack;
ACCEL U-groove performance spark plugs produce a larger spark for more power at high RPMs. Improves throttle response and fuel economy, less fouling. Purified alumina insulator prevents arcing. Machine rolled threads protect heads.
  • Header-Box
  • U-Groove Ground Electrode
  • Five-Rib Aluminum Insulator
  • Copper Core Nickel/Chrome Steel
  • Electric Heat Seal
  • Copper-Glass Gas-Tight Seal
  • Less Flame Dissipation

Application Summary:

Year Make/Model
1986-1987 Buick Regal
1987 Chevrolet Camaro
1986-1990 Chevrolet Caprice
1986-1987 Chevrolet Corvette
1985-1987 Oldsmobile Cutlass Salon
1985-1988 Oldsmobile Cutlass Supreme
Assembly Method Gasket (Flat)
California Proposition 65 No
Country of Origin (Primary) CZ
Emission Code Legal US
GAP .035"
GTIN 00743047113059
Gap Size 0.035 in.
Harmonized Tariff Code (Schedule B) 8511100000
Hazardous Material Code N
Heat Range 4
Hex Size 0.625 in.
Length Shorty
Life Cycle Status Code Available to Order
Material Copper
NAFTA Preference Criterion Code D
Package Quantity 4
Product Type Spark Plug
Projected Tip Yes
Prop 65 Yes/No No
Qty 4
Reach 0.750 in.
Resistor Yes
SDR Required Flag N
Seat Type Gasket (Flat)
Style Copper Core
Thread Size 14mm
WARNING CA Proposition 65 No
Weight 4.2

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Product Information

  • Brand: Accel
  • Product Number: 0414S-4
  • $29.48