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
TAYLOR 51063 Street Thunder 8mm Ignition Wire Set 8-Cylinder Black Custom Fit
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
Standard Motor Products Blue Streak Premium Street Performance Spark Plug Wire Set
Moroso 9866M Mag-Tune Spark Plug Wires 8.0mm HEI 90 Degree Black Big Block Chevy
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.