1986 Chevrolet K20 Spark Plug Parts

Choose your Engine for your 1986 Chevrolet K20


Showing 1 - 10 of 24 products
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NGK
  • NGK V-Power Spark Plug
  • Gap 0.045" OE Equivalent Design 12,000 mi OE Mfr Rec Service Interval with Heavy Duty Emissions, 30,000 mi OE Mfr Rec Service Interval w/o Heavy Duty Emissions
  • V-Power Spark Plug
  • Product Attributes:
    • Seat Type: Tapered
    • Electrical Terminal Type: Non-removable Nut
    • Center Electrode Core Material: Copper
    • Part Number: Ur5
    • Hex Size: 5/8
    • Reach: .46
    • Center Electrode Tip Material: Nickel
    • Stock Number: 2771
    • Ground Electrode Tip Design: Standard
    • Manufacturer Heat Range: 5
    • Ground Configuration: Standard
    • Pre-Gap Size: .040
    • Resistance: 5000
    • Insulator Height: 53.00
    • Ground Electrode Core Material: Nickel
  • NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services.
  • Suggested Purchase Quantity: 8
    • Most jobs typically require 8 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
1765241, 1835124T, 1835720T, 1835930T, 203, 23, 23BP, 24, 276, 2771, 2CR43TS, 2R44TS, 3303, 4004, 4018, 4018-2, 4024, 406...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Engine Engine VIN CID
1986 - Chevrolet K20 V - 8 Cyl 5.7L L 350

Champion
  • Champion Copper Plus- Boxed - RV12YC
  • Gap 0.045in OE Type ; Plug Type RV12YC
  • Champion Copper Plus 406 Spark Plug (Carton of 4)
  • Copper Plus
  • Product Attributes:
    • Hex Size:
      • 0.625
      • 15.875
    • Reach: 0.441
    • Center Electrode Tip Material: Nickel
    • Seat Type: Tapered
    • Electrical Terminal Type: Non-removable Nut
    • Pre-Gap Size:
      • 0.040
      • 1.03
    • Classification: Champion Copper Plus
    • Ground Electrode Core Material: Nickel
    • Insulator Height: 0.06
    • Resistor Type: Yes
    • Plug Type: Rv12yc
  • Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
  • Suggested Purchase Quantity: 8
    • Most jobs typically require 8 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
1060024-MI, 1060024MI, 14F32, 14RF32, 4004, 4024, 4141705, 4204, 42TS, 4318135, 6224, 7969, 7975, AF32, AF42, AF42C, ARF32, ARF32M...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Engine Engine VIN CID
1986 - Chevrolet K20 V - 8 Cyl 5.7L L 350

Autolite
  • Autolite 25 Copper Resistor Spark Plug
  • OE Style; .035"/0.9mm
  • Copper Resistor Spark Plug
  • Product Attributes:
    • Center Electrode Design: Standard / Regular
    • Seat Type: Tapered
    • Electrical Terminal Type: Stud
    • Ground Electrode Tip Material: Nickel
    • Center Electrode Core Material: Copper
    • Resistor Type: Yes
    • Insulator Material: Ceramic
    • Hex Size: 5/8"
    • Reach:
      • 0.431
      • 11.0
    • Center Electrode Tip Material: Nickel
    • Ground Electrode Tip Design: Tapered
    • Insulator Type: Mid Projection
    • Pre-Gap Size:
      • 0.044
      • 1.10
    • Resistance: 4000
    • Ground Electrode Core Material: Nickel
  • Autolite® Copper Spark Plugs are manufactured to deliver quick starts, improved fuel economy and smooth acceleration. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and Original Equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.
  • Suggested Purchase Quantity: 8
    • Most jobs typically require 8 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
18, 2423, 44TS, 5024, 5613673, 80034, AF42

Additional Fitment Information:
Vehicle Block CC Engine CID
1986 - Chevrolet K20 V - 8 Cyl 5.7L 350

Autolite
  • Autolite 145 Copper Resistor Spark Plug
  • OE Style; .035"/0.9mm
  • Copper Resistor Spark Plug
  • Product Attributes:
    • Center Electrode Design: Standard / Regular
    • Seat Type: Tapered
    • Electrical Terminal Type: Stud
    • Ground Electrode Tip Material: Nickel
    • Center Electrode Core Material: Copper
    • Resistor Type: Yes
    • Insulator Material: Ceramic
    • Hex Size: 5/8"
    • Reach:
      • 0.431
      • 11.0
    • Center Electrode Tip Material: Nickel
    • Ground Electrode Tip Design: Tapered
    • Insulator Type: Short
    • Pre-Gap Size:
      • 0.040
      • 1.00
    • Resistance: 4000
    • Ground Electrode Core Material: Nickel
  • Autolite® Copper Spark Plugs are manufactured to deliver quick starts, improved fuel economy and smooth acceleration. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and Original Equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.
  • Suggested Purchase Quantity: 8
    • Most jobs typically require 8 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
121, 44T, 5029, 711, ARF4

Additional Fitment Information:
Vehicle Block CC Engine CID
1986 - Chevrolet K20 L - 6 Cyl 4.8L 292

Autolite
  • Autolite AP25 Platinum Spark Plug
  • .035"/0.9mm
  • Platinum Spark Plug
  • Product Attributes:
    • Center Electrode Design: Standard / Regular
    • Seat Type: Tapered
    • Electrical Terminal Type: Stud
    • Ground Electrode Tip Material: Nickel
    • Center Electrode Core Material: Platinum
    • Resistor Type: Yes
    • Insulator Material: Ceramic
    • Hex Size: 5/8"
    • Reach:
      • 0.433
      • 11.0
    • Center Electrode Tip Material: Platinum
    • Ground Electrode Tip Design: Tapered
    • Insulator Type: Mid Projection
    • Pre-Gap Size:
      • 0.044
      • 1.10
    • Resistance: 4000
    • Ground Electrode Core Material: Nickel
  • Autolite® Platinum Spark Plugs are manufactured to deliver greater durability compared to standard copper plugs. Autolite® Platinum Spark Plugs provide easier starts, quicker acceleration, and improved fuel economy. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.
  • Suggested Purchase Quantity: 8
    • Most jobs typically require 8 of this item.
  • This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:
2, 2423, 406, 4AF2, 5024, 6113

Additional Fitment Information:
Vehicle Block CC Engine CID
1986 - Chevrolet K20 V - 8 Cyl 5.7L 350

Accel
  • 14mm Thread; .460 in. Reach; Tapered Seat; 5/8 Hex; Projected Tip; Resistor; 2 Of PN[0576S-4]; 8 Pack;0.040 in. Plug Gap
  • U-Groove Spark Plug Header Plug; 14mm Thread; .460 in. Reach; Tapered Seat; 5/8 Hex; Projected Tip; Resistor; 2 Of PN[0576S-4]; 8 Pack;
  • U-Groove Spark Plug Header Plug
  • Product Attributes:
    • Hex Size: 0.625 In.
    • Reach: 0.460 In.
    • Thread Size: 14mm
    • Resistor: Yes
    • WARNING CA Proposition 65: No
    • Assembly Method: Tapered
    • Projected Tip: Yes
    • Gap Size: 0.032 In.
    • Package Quantity: 8
  • Features:
    • 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
  • ACCELs patented race proven spark plugs in a Shorty configuration. The overall length has been reduced 3/16 in to 3/8 in (depending on the specific spark plug) to gain critical air gap between the spark plug boot and the exhaust manifold or header tube. This helps eliminate burning the spark plug boot or dimpling the header tube. The shorter spark plug length also can make it easier to install an remove the spark plugs in certain applications where there is not a lot of room to fit a socket or move a wrench around. ACCEL Shorty Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They deliver a stronger spark especially in high performance applications where high combustion pressures are present. Copper is much better at dissipating heat than other materials which lessens the chance of a misfire. ACCEL Shorty Spark Plugs are gapable allowing you to open the gap exposing a larger flame kernel or close it if needed for high boost applications. All ACCEL Shorty Spark Plugs have machine rolled threads allowing for a more precise thread engagement and torque retention.

Additional Fitment Information:
Vehicle Block CC Engine CID
1986 - Chevrolet K20 V - 8 Cyl 5.7L 350

Accel
  • Stock Heat Range; 0.032 in. Gap; 5/8 in. Hex Size; .460 in. Reach; Resistor; Tapered Seat Type; 1.25mm Thread Pitch; 14mm Thread Size; 8 Pack Of PN[0576];0.040 in. Plug Gap
  • HP Copper Spark Plug; Stock Heat Range; 0.032 in. Gap; 5/8 in. Hex Size; .460 in. Reach; Resistor; Tapered Seat Type; 1.25mm Thread Pitch; 14mm Thread Size; 8 Pack Of PN[0576];
  • HP Copper Spark Plug
  • Product Attributes:
    • Hex Size: 0.625 In.
    • Reach: 0.460 In.
    • Thread Size: 14mm
    • Resistor: Yes
    • Torque Capacity: 7.2 Ft/lbs. - 14.5 Ft/lbs.
    • WARNING CA Proposition 65: No
    • Assembly Method: Tapered
    • Projected Tip: Yes
    • Gap Size: 0.032 In.
    • Package Quantity: 8
  • Features:
    • Copper Core Is A Better Conductor Than Iridium Or Platinum Plugs
    • Copper Dissipates Heat Much Better Than Other Materials
    • C-Cut Design/Un-Shrouding The Spark Kernel
    • Gapable Unlike Iridium Or Platinum
    • Machine Rolled Threads-Precise Thread Engagement
    • Stock Heat Range
    • On The Street Or Strip
    • Accel Hp Copper Core Spark Plugs Deliver!
  • ACCEL HP Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They deliver a stronger spark especially in high performance applications where high combustion pressures are present. Copper is much better at dissipating heat than other materials which lessens the chance of a misfire. ACCEL HP Spark Plugs are gapable allowing you to open the gap exposing a larger flame kernel or close it if needed for high boost applications. All ACCEL HP Spark Plugs have machine rolled threads allowing for a more precise thread engagement and torque retention.

Additional Fitment Information:
Vehicle Block CC Engine CID
1986 - Chevrolet K20 V - 8 Cyl 5.7L 350

Accel
  • 14mm Thread; .460 in. Reach; Heat Range 5; Tapered Seat; 5/8 Hex; Projected Tip; Resistor; 4 Pack;0.035 in. Plug Gap
  • U-Groove Spark Plug Header Plug; 14mm Thread; .460 in. Reach; Heat Range 5; Tapered Seat; 5/8 Hex; Projected Tip; Resistor; 4 Pack;
  • U-Groove Spark Plug Header Plug
  • Product Attributes:
    • Hex Size: 0.625 In.
    • Reach: 0.460 In.
    • Thread Size: 14mm
    • Resistor: Yes
    • WARNING CA Proposition 65: No
    • Assembly Method: Tapered
    • Projected Tip: Yes
    • Gap Size: 0.035 In.
    • Package Quantity: 4
  • Features:
    • 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
  • ACCELs patented race proven spark plugs in a Shorty configuration. The overall length has been reduced 3/16 in to 3/8 in (depending on the specific spark plug) to gain critical air gap between the spark plug boot and the exhaust manifold or header tube. This helps eliminate burning the spark plug boot or dimpling the header tube. The shorter spark plug length also can make it easier to install an remove the spark plugs in certain applications where there is not a lot of room to fit a socket or move a wrench around. ACCEL Shorty Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They deliver a stronger spark especially in high performance applications where high combustion pressures are present. Copper is much better at dissipating heat than other materials which lessens the chance of a misfire. ACCEL Shorty Spark Plugs are gapable allowing you to open the gap exposing a larger flame kernel or close it if needed for high boost applications. All ACCEL Shorty Spark Plugs have machine rolled threads allowing for a more precise thread engagement and torque retention.

Additional Fitment Information:
Vehicle Block CC Engine CID
1986 - Chevrolet K20 V - 8 Cyl 5.7L 350

Accel
  • 14mm Thread; .460 in. Reach; Tapered Seat; 5/8 Hex; Projected Tip; Resistor; 2 Of PN[0574S-4]; 8 Pack;0.045 in. Plug Gap
  • 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;
  • U-Groove Spark Plug Header Plug
  • Product Attributes:
    • Hex Size: 0.625 In.
    • Reach: 0.460 In.
    • Thread Size: 14mm
    • Resistor: Yes
    • WARNING CA Proposition 65: No
    • Assembly Method: Tapered
    • Projected Tip: Yes
    • Gap Size: 0.035 In.
    • Package Quantity: 8
  • Features:
    • 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
  • ACCELs patented race proven spark plugs in a Shorty configuration. The overall length has been reduced 3/16 in to 3/8 in (depending on the specific spark plug) to gain critical air gap between the spark plug boot and the exhaust manifold or header tube. This helps eliminate burning the spark plug boot or dimpling the header tube. The shorter spark plug length also can make it easier to install an remove the spark plugs in certain applications where there is not a lot of room to fit a socket or move a wrench around. ACCEL Shorty Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They deliver a stronger spark especially in high performance applications where high combustion pressures are present. Copper is much better at dissipating heat than other materials which lessens the chance of a misfire. ACCEL Shorty Spark Plugs are gapable allowing you to open the gap exposing a larger flame kernel or close it if needed for high boost applications. All ACCEL Shorty Spark Plugs have machine rolled threads allowing for a more precise thread engagement and torque retention.

Additional Fitment Information:
Vehicle Block CC Engine CID
1986 - Chevrolet K20 V - 8 Cyl 5.7L 350

Denso
  • Susciter Fiche Iridium TT
  • Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
  • Susciter Fiche Iridium TT
  • Iridium TT
  • Product Attributes:
    • Hex Size: 16.0
    • Reach: 11.60
    • Center Electrode Tip Material: Iridium
    • Seat Type: Tapered
    • Ground Electrode Tip Design: Platinum Twin-tip
    • Center Electrode Core Material: Copper
    • Ground Configuration: Twin-tip
    • Pre-Gap Size: 1.0
    • Resistance: 5000
    • Ground Electrode Core Material: Nickel
  • Durability of an OE style plug combined with Power & Torque of high performance.
  • Suggested Purchase Quantity: 4
    • Most jobs typically require 4 of this item.

This Part Fits the Following OEM/Substitute Numbers:
19208523, 19300383, 19300873, 19301654, 19302742, 19310656, 4289 155, 5613302, 5613794, 5613842, 5613867, 5613877, 5613935, 5613956, 5613957, 5614229, 5614243, 88901021...VIEW MORE

Additional Fitment Information:
Vehicle
1986 - Chevrolet K20
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