Wire Set Thunderbolt Ignition 8MM Premium Wires Sierra 18-8804-1
$54.00
Competitor Price:
$55.99
For Thunderbolt GM Ignition
Mega-Mag, 8mm MEG-103 Sierra® Brand
- Thunderbolt small block marine spark plug wire set
- Fits Mercruiser 305 and 350 cu. in. marine engines from 1983-98 with Thunderbolt ignition systems
- Includes ignition coil wire
- 8mm blue SSC 100% Silicone wire for ultra low resistance of 270 Ohms per foot
- Carbon-latex coating for superior EMI/RFI suppression
- Heavy duty booting used to maintain dielectric properties
- Stainless steel and brass terminals for longevity and superior conductivity
- Replaces Mercury 84-816761Q4, 84-43376A4, 84-816761T4, 84-813720A4, & 84-816761A4
Most in-stock orders ship within 24 hours. Orders placed by 1:00 PM EST typically ship the same business day, subject to availability.
Average delivery time within the Continental U.S. is 3–7 business days.
Expedited shipping options are available on select products. Weekend delivery is not available.
Oversized items, drop-shipped products, and shipments to Alaska, Hawaii, or international destinations may require additional time or shipping costs.
Tracking information is emailed once your order ships.