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 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
TAYLOR 74001 Spiro-Pro 8mm Ignition Wire Set Small Block Chevy Black
TAYLOR 51002 Street Thunder 8mm Spark Plug Wire Set Custom Fit Black
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
Moroso 73600 Ultra 40 Race Wire Set for Small Block Chevy 90-Degree Boots
NGK Spark Plugs 21002 NTK OE Type Oxygen Sensor - 1-Wire Unheated
Moroso 73817 Ultra 40 Race Wire Set with 90° HEI-Style Plug Boots
MSD 31293 Black 8.5mm Super Conductor Spark Plug Wire Set Big Block Chevy
MSD 5567 Street-Fire 8mm Spark Plug Wire Set Big Block Chevy 454 HEI
MSD 5560 Street-Fire Spark Plug Wire Set for Big Block Chevy 454 HEI
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.