U-Groove Spark Plug Header Plug; 14mm Thread; .460 in. Reach; Tapered Seat; 5/8 Hex; Projected Tip; Resistor; 2 Of PN[0574S-4]; 8 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.
  • Shorty Spark Plugs For Tubular Exhaust Headers
  • Eliminates Dimpling Headers For Added Clearance
  • Shorter Overall Plug Length Vs. OE Style Plug
  • Copper Core Center Electrode
  • Projected Tip
  • Helps Eliminate Burned Spark Plug Boots
  • Shorty Header Spark Plug

Application Summary:

Year Make/Model
1990-1991 Audi V8 Quattro
1992-1993 Buick Commercial Chassis
1992-1993 Buick Roadmaster
1990-1992 Cadillac Brougham
1992 Cadillac Commercial Chassis
1987-1994 Chevrolet Blazer
1986 Chevrolet C10
1986 Chevrolet C10 Suburban
1988-1995 Chevrolet C1500
1997-1999 Chevrolet C1500
1992-1995 Chevrolet C1500 Suburban
1986 Chevrolet C20
1986 Chevrolet C20 Suburban
1988-1995 Chevrolet C2500
1997-2000 Chevrolet C2500
1992-1995 Chevrolet C2500 Suburban
1986 Chevrolet C30
1988-1995 Chevrolet C3500
1997-2000 Chevrolet C3500
1985-1987 Chevrolet Camaro
1994-1995 Chevrolet Caprice
1985-1987 Chevrolet Corvette
1971 Chevrolet El Camino
1986 Chevrolet El Camino
1997 Chevrolet Express 1500
1997 Chevrolet Express 2500
1997 Chevrolet Express 3500
1986-1995 Chevrolet G10
1986-1995 Chevrolet G20
1986-1996 Chevrolet G30
1986 Chevrolet K10
1986 Chevrolet K10 Suburban
1988-1995 Chevrolet K1500
1997-1999 Chevrolet K1500
1992-1995 Chevrolet K1500 Suburban
1986 Chevrolet K20
1985-1986 Chevrolet K20 Suburban
1988-1995 Chevrolet K2500
1997-2000 Chevrolet K2500
1992-1995 Chevrolet K2500 Suburban
1986 Chevrolet K30
1988-1995 Chevrolet K3500
1997-2000 Chevrolet K3500
1986 Chevrolet K5 Blazer
1987 Chevrolet R10
1987-1988 Chevrolet R10 Suburban
1989-1991 Chevrolet R1500 Suburban
1987-1988 Chevrolet R20
1987-1988 Chevrolet R20 Suburban
1989 Chevrolet R2500
1989-1991 Chevrolet R2500 Suburban
1987-1988 Chevrolet R30
1989-1991 Chevrolet R3500
1995 Chevrolet Tahoe
1987 Chevrolet V10
1987-1988 Chevrolet V10 Suburban
1989-1991 Chevrolet V1500 Suburban
1987 Chevrolet V20
1987-1988 Chevrolet V20 Suburban
1989-1991 Chevrolet V2500 Suburban
1987-1988 Chevrolet V30
1989-1991 Chevrolet V3500
1977-1979 Dodge CB300
1973-1974 Dodge Charger
1973-1976 Dodge Coronet
1973-1978 Dodge Monaco
1973 Dodge Polara
1975-1977 Dodge Royal Monaco
1970-1971 Ford Bronco
1975 Ford Bronco
1984-1996 Ford Bronco
1971 Ford Country Sedan
1969-1971 Ford Country Squire

Fast Efficient Shipping

Through our distribution network Deliveries can be as fast as Next Day Delivery.
Delivery times vary by destination, tracking information is provided with every purchase.

Get it Installed

JB's Power Centre offers on-site professional installation services in Calgary and Edmonton, AB.
We have on staff licensed Mechanical Technicians as well as MECP Certified 12-Volt Technicians.

* Extend your products Manufacturer Warranty

All products include a manufacturer warranty, but you can extend this warranty with
JB's Purchase Protection Plan
*Available on select products.