ThunderCore Pro Spark Plug Wire Set
The new ThunderCore Pro plug wires from Walker Products are the ideal performance replacement wire set for your Harley. Precision manufactured from premium components in Walker's ISO 9001 certified facility, made in the USA. Available for practically all Harley models including Shovelhead, Evo, Twin Cam, Milwaukee 8, and Sportsters*
Available February 2023
- 8.9mm Premium MAG Plug Wires
- Class E Silicone / EPDM Wire Construction / SAE J2031 Rated Cable
- Operating Temperature Resistance Exceeds 450 Degrees Fahrenheit
- 500 ohm Stainless Steel Wire "MAG" Wound
- Latex Silicone Layer Enhances Conductive Efficiency and Core Stability
- RFI and EMI Suppression
- EPDM Inner Insulation For Dielectric Strength
- Premium Core Provides Unmatched Strength and High Temperature Durability
- Tempered Silicone Outer Jacket
- Made in the USA, Manufactured in an ISO 9001-2008/TS16949 certified facility
*Not available for XL1200 "S" models with dual plug heads
Note that appearance of all products are subject to change.
As a manufacturer and supplier we are unable to provide repair or service advice. Please consult a factory service manual or a qualified motorcycle technician when working on your motorcycle.
Replacement wire sets for the following Harley SE part numbers:
32358-00A 99-17 FXST
31930-99A 00-17 FLST
31901-08 99-06 FLH FLT (Carb)
31901-08 07-21 XL
31932-99A 99-09 FLH FLT (EFI)
31958-04 04-06 XL
32303-08A 09-17 FLH, FLT (Twin Cam only)
32093-98 65-79 FLH FLT
32093-98 65-85 FX, FXE, XL,
32093-98 89-99 FXST and FLST
32093-98 91-98 FXD
32091-98 80-98 FLH, FLT, 86-03 XL
32090-98 82-94 FXR