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1978 Chevrolet K20

1978 Chevrolet K20 Ignition Parts

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Distributor Distributor Cap Distributor Cap and Rotor Kit Distributor Clamp Distributor Drive Gear Distributor Mounting Gasket Distributor Rotor Ignition Coil Ignition Control Module Ignition Tune-Up Kit Spark Plug Spark Plug Wire Holder Spark Plug Wire Set

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1978 Chevrolet K20 Spark Plug 8 Cyl 5.0L NGK

NGK V-Power Spark Plug
Light Duty Gap 0.045" OE Equivalent Design
V-Power Spark Plug
Product Attributes:
- Center Electrode Design: Standard
- Center Electrode Insulator Tip Projection:
  - 0.16
  - 4.0
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Grade Type: Standard Replacement
- Service Number: Ur4
- Ground Electrode Tip Material: Nickel
- Short Style Spark Plug: No
- Skirt: No
- Center Electrode Core Material: Copper
- Part Number: Ur4
- Resistor Type: Yes
- Stock Number: 6630
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - .040
  - 1.0
- Ground Electrode Core Material: Nickel
- Material Grade: Nickel/copper
- Center Electrode Projection: Mid Projection
- Seat Type: Tapered
- Ground Electrode Quantity: 1
- Insulator Material: Ceramic
- Hex Size: 5/8" (16mm)
- Reach:
  - 0.460
  - 11.2
- Center Electrode Tip Material: Nickel
- Skirt Length: 0.0
- Manufacturer Heat Range: 4
- Ground Configuration: J-gap
- Resistance: 5000.0
- Insulator Height:
  - 2.19
  - 55.5
- Thread Diameter:
  - 0.551
  - 14.0
Features:
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- NGK's OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
- RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode with V-groove provides consistent performance
NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK's V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK's legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
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:

1052895W, 15, 16, 1765179, 18, 1835800T, 1835906T, 18C2, 18S, 19, 25, 25BP, 25C2, 25DP2, 25S, 26, 2R45TS, 2R46TS...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1978 - Chevrolet K20	V	-	8 Cyl 5.0L	305

85 In Stock

Limited-Time Offer

$10.05 USD

$12.06 USD


Brand	NGK
Part #	N126630
Condition	New
Warehouse	B

1978 Chevrolet K20 Spark Plug 6 Cyl 4.1L NGK

NGK V-Power Spark Plug
Light Duty Gap 0.035" OE Equivalent Design
V-Power Spark Plug
Product Attributes:
- Center Electrode Design: Standard
- Center Electrode Insulator Tip Projection:
  - 0.16
  - 4.0
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Grade Type: Standard Replacement
- Service Number: Ur4
- Ground Electrode Tip Material: Nickel
- Short Style Spark Plug: No
- Skirt: No
- Center Electrode Core Material: Copper
- Part Number: Ur4
- Resistor Type: Yes
- Stock Number: 6630
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - .040
  - 1.0
- Ground Electrode Core Material: Nickel
- Material Grade: Nickel/copper
- Center Electrode Projection: Mid Projection
- Seat Type: Tapered
- Ground Electrode Quantity: 1
- Insulator Material: Ceramic
- Hex Size: 5/8" (16mm)
- Reach:
  - 0.460
  - 11.2
- Center Electrode Tip Material: Nickel
- Skirt Length: 0.0
- Manufacturer Heat Range: 4
- Ground Configuration: J-gap
- Resistance: 5000.0
- Insulator Height:
  - 2.19
  - 55.5
- Thread Diameter:
  - 0.551
  - 14.0
Features:
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- NGK's OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
- RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode with V-groove provides consistent performance
NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK's V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK's legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1978 - Chevrolet K20	L	-	6 Cyl 4.1L	250

85 In Stock

Limited-Time Offer

$10.05 USD

$12.06 USD


Brand	NGK
Part #	N126630
Condition	New
Warehouse	B

1978 Chevrolet K20 Spark Plug 8 Cyl 5.0L Champion

Champion Copper Plus- Boxed - RV17YC
Light Duty Gap 0.045in OE Type ; Plug Type RV17YC
Champion Copper Plus 25 Spark Plug (Carton of 4)
Copper Plus
Product Attributes:
- Hex Size:
  - 0.625
  - 15.880
- Reach: 0.441
- Center Electrode Tip Material: Nickel
- Seat Type: Tapered
- Electrical Terminal Type: Removable Nut
- Manufacturer Heat Range: 17
- Pre-Gap Size:
  - 0.035
  - 0.90
- Classification: Champion Copper Plus
- Ground Electrode Core Material: Nickel
- Insulator Height: 0.12
- Plug Type: Rv17yc
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 8

This Part Fits the Following OEM/Substitute Numbers:

14RF52, 14RF62, 4091678, 4289155, 4339415, 44TS, 45TS, 46TS, 5213202S, ARF62, CR44TS, CR45TS, R44TS, R45TS, RV17YC, TR14PRU

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1978 - Chevrolet K20	V	-	8 Cyl 5.0L	305

4 In Stock

Limited-Time Offer

$8.73 USD

$10.48 USD


Brand	Champion
Part #	C3325
Condition	New
Warehouse	B

UPC: 037551000265

1978 Chevrolet K20 Spark Plug 8 Cyl 7.4L Autolite

Autolite 145 Copper Spark Plug
Gap .045 (in); Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Short Projection
- Center Electrode Insulator Tip Projection:
  - 0.044
  - 1.12
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.557
  - 14.15
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.04
  - 1.02
- Resistance: 4000
- Insulator Height:
  - 2.274
  - 57.76
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
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, 19157985, 19157988, 22131, 2U2J12405YA, 44T, 5029, 5613842, 5613855, 5613867, 5613875, 566, 711, 7972, 8129827, ARF4, ARF6, ASF4C...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1978 - Chevrolet K20	V	-	8 Cyl 7.4L	454

62 In Stock

Limited-Time Offer

$8.46 USD

$10.15 USD


Brand	Autolite
Part #	A77145
Condition	New
Warehouse	B

UPC: 009100001450

1978 Chevrolet K20 Spark Plug 8 Cyl 5.0L Autolite

Autolite 145 Copper Spark Plug
Heavy Duty; Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Short Projection
- Center Electrode Insulator Tip Projection:
  - 0.044
  - 1.12
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.557
  - 14.15
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.04
  - 1.02
- Resistance: 4000
- Insulator Height:
  - 2.274
  - 57.76
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1978 - Chevrolet K20	V	-	8 Cyl 5.0L	305

62 In Stock

Limited-Time Offer

$8.46 USD

$10.15 USD


Brand	Autolite
Part #	A77145
Condition	New
Warehouse	B

UPC: 009100001450

1978 Chevrolet K20 Spark Plug 6 Cyl 4.8L Autolite

Autolite 145 Copper Spark Plug
Gap .035 (in); Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Short Projection
- Center Electrode Insulator Tip Projection:
  - 0.044
  - 1.12
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.557
  - 14.15
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.04
  - 1.02
- Resistance: 4000
- Insulator Height:
  - 2.274
  - 57.76
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1978 - Chevrolet K20	L	-	6 Cyl 4.8L	292

62 In Stock

Limited-Time Offer

$8.46 USD

$10.15 USD


Brand	Autolite
Part #	A77145
Condition	New
Warehouse	B

UPC: 009100001450

1978 Chevrolet K20 Spark Plug 8 Cyl 5.7L Autolite

Autolite 145 Copper Spark Plug
Gap .035 (in); Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Projection: Short Projection
- Center Electrode Insulator Tip Projection:
  - 0.044
  - 1.12
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
  - 0.557
  - 14.15
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
  - 0.431
  - 10.95
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.04
  - 1.02
- Resistance: 4000
- Insulator Height:
  - 2.274
  - 57.76
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
This item must be purchased in quantities of 4

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1978 - Chevrolet K20	V	-	8 Cyl 5.7L	350

62 In Stock

Limited-Time Offer

$8.46 USD

$10.15 USD


Brand	Autolite
Part #	A77145
Condition	New
Warehouse	B

UPC: 009100001450

1978 Chevrolet K20 Ignition Control Module 6 Cyl 4.8L Accel

HEI 4 Pin Module;CARB E.O. D-221-4
Distributor Control Module; HEI 4 Pin Module;
Distributor Control Module
Product Attributes:
- WARNING CA Proposition 65: No
- RPM: Oem
Features:
- Fits Most Stock And Modified Distributors
- Solid State Electronics
- Dwell Control Circuit
This high performance HEI module provides your plugs with more spark over the stock module. The solid state electronics provide high coil out put and superior reliability. The Dwell control circuit ensures, long consistent coil charging. The current control circuit protects against coil over heating. This module fits most GM HEI for V8 engines with the 4 pin module 1974 thru 1985

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1978 - Chevrolet K20	L	-	6 Cyl 4.8L	292

3 In Stock

Limited-Time Offer

$96.78 USD

$116.14 USD


Brand	Accel
Part #	A3535361
Condition	New
Warehouse	B

1978 Chevrolet K20 Spark Plug Wire Set 8 Cyl 5.0L Accel

w/HEI Stock Style Boots; 8mm; Graphite Core; Wires Routed Over Valve Cover; Yellow
Custom Fit Super Stock Spark Plug Wire Set; w/HEI Stock Style Boots; 8mm; Graphite Core; Wires Routed Over Valve Cover; Yellow;
Custom Fit Super Stock Spark Plug Wire Set
Product Attributes:
- Wire Diameter: 8mm
- Wire Series: Superstock
- Boot Temperature Rating: Meets Or Exceeds Oe
- WARNING CA Proposition 65: No
- Core Type: Carbon Graphite
- Boot Type: Oem
- Wire Temperature Rating: 450 Degree
- Boot Material: Silicone
- Engine: Universal 8 Cylinder
- Resistance: Meets Or Exceeds Oe
Features:
- 7mm And 8mm High Gloss Silicone Jacket
- 450° F Rated Silicone Jacket
- Stainless Steel Plug Terminals
- RFI Suppression For Street Driven Applications
- Custom-fit Universal And Import Coverage
- High-strength Fiberglass Braid Construction
- Pre And Post HEI Vehicles
ACCEL's SuperStock 4000 series spark plug wire sets are designed to upgrade an OE ignition system for high-spark delivery levels for street driven applications. The 450 degree F rated silicone jacket is extruded over a tightly woven, rugged fiberglass braid. The braid is applied over high dielectric strength EPDM (Ethylene Propylene Diene Monomer) inner insulation for ignition wire performance that exceeds SAE specifications.

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1978 - Chevrolet K20	V	-	8 Cyl 5.0L	305

8 In Stock

Limited-Time Offer

$80.60 USD

$96.72 USD


Brand	Accel
Part #	A354048
Condition	New
Warehouse	B

1978 Chevrolet K20 Spark Plug Wire Set 8 Cyl 7.4L Accel

Yellow Wire; 8mm; Graphite Core; Straight Boots
Universal Fit Spark Plug Wire Set; Yellow Wire; 8mm; Graphite Core; Straight Boots;
Universal Fit Spark Plug Wire Set
Product Attributes:
- Wire Diameter: 8mm
- Wire Series: Superstock
- Boot Temperature Rating: Meets Or Exceeds Oe
- WARNING CA Proposition 65: Yes
- Core Type: Carbon Graphite
- Boot Type: Straight
- Wire Temperature Rating: 450 Degree
- Boot Material: Silicone
- Engine: Universal 8 Cylinder
- Resistance: Meets Or Exceeds Oe
- Boot Angle: Straight
Features:
- 7mm And 8mm High Gloss Silicone Jacket
- 450° F Rated Silicone Jacket
- Stainless Steel Plug Terminals
- RFI Suppression For Street Driven Applications
- Custom-fit Universal And Import Coverage
- High-strength Fiberglass Braid Construction
- Pre And Post HEI Vehicles
ACCEL's SuperStock 4000 series spark plug wire sets are designed to upgrade an OE ignition system for high-spark delivery levels for street driven applications. The 450 degree F rated silicone jacket is extruded over a tightly woven, rugged fiberglass braid. The braid is applied over high dielectric strength EPDM (Ethylene Propylene Diene Monomer) inner insulation for ignition wire performance that exceeds SAE specifications.