Skip to content

GT40

Ask GT40AI Fitment Concierge

grounded

Answers come straight from GT40’s fitment catalog.

Home/Shop/Boat Tune-Up & Fuel

PCM Excalibur 330 Set of 8 Spark plugs

Boat Tune-Up & Fuel

PCM Excalibur 330 Set of 8 Spark plugs

$89.99

1

Free shipping over $50030-day returnsFitment-backed

Install help — email the shop →

Complete the build

PCM Excalibur 330 Set of 8 Spark plugs

$89.99

Marine performance parts — engineered, built, and water-tested. Getting back on the water.

mike@gt40marine.com

Shop

Sea-Doo Yamaha Stage Kits Intakes Exhaust Intercoolers

Support

Find My Fit Install Guides Shipping Returns Warranty FAQ Contact

Company

About Where We Run Wholesale Reviews

© 2026 GT40 Marine · EST 2018 · Sea-Doo & Yamaha performance