Chevrolet K20 Spark Plug Wires and Ignition Wiring
This page brings together spark plug wires and ignition wiring for the Chevrolet K20, covering model years 1961–1986. The range includes complete wire sets, individual spark plug wires, single lead wires, and boot kits in styles from OE replacement to performance-oriented options. Pick your Chevrolet K20's year above to narrow the list to spark plug wires and ignition wiring with confirmed fitment. Every part shown is checked against our vehicle data.
MSD 31223 8.5mm Super Conductor Universal Spark Plug Wire Set 8-Cylinder 90° Plug/90° Plug
MSD 31489 Super Conductor 8.5mm Spark Plug Wire Set Big Block Chevy Marine HEI Red
MSD 31189 8.5mm Super Conductor Spark Plug Wire Set Multi-Angle Plug HEI Cap Universal V8
MSD 31183 Super Conductor 8.5mm Spark Plug Wire Set 8-Cylinder Multi-Angle HEI Universal
Moroso 9862M Mag-Tune Spark Plug Wires HEI 90° Spiral Core Black GM Small Block
Moroso 9866M Mag-Tune Spark Plug Wires 8.0mm HEI 90 Degree Black Big Block Chevy
MSD 5565 Street-Fire Spark Plug Wire Set Small Block Chevy Socket Cap Over Valve Cover
MSD 5554 Street-Fire 8mm Spark Plug Wire Set Small Block Chevy HEI
MSD 35609 Super Conductor 8.5mm Spark Plug Wire Set Big Block Chevy HEI Tower Cap
Moroso 73616 Ultra 40 Race Ignition Wire Set Big Block Chevy HEI
Moroso 72416 Blue Max Spiral Core Sleeved Spark Plug Wire Set Big Block Chevy HEI
MSD 31353 Super Conductor 8.5mm Spark Plug Wire Set Black Small Block Chevy HEI
MSD 5552 Street-Fire Spark Plug Wire Set 8-Cylinder HEI 90-Degree Universal
What's here for your Chevrolet K20
- Spark Plug Wire Sets — multi-wire kits sized for the K20's engine configurations, available in black and performance styles including ceramic-coated constructions
- Spark Plug Wires — individual replacement wires for targeted repairs or custom builds
- Single Lead Spark Plug Wires — standalone leads suited for headers and custom routing
- Spark Plug Boot Kits — replacement boot assemblies including universal and ceramic options
The widest selection here comes from MSD, Moroso, TAYLOR, and Standard Motor Products, covering everything from direct OE-style replacements to performance and universal-fit wiring. Other categories Chevrolet K20 owners shop for: Chevrolet K20 Body Frame Parts, Chevrolet K20 Springs and Suspension Parts and Chevrolet K20 Steering Gear and Parts, or browse all Chevrolet K20 parts and accessories.