Pay in installments of $37.56 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Radium Engineering Extension Kit for FCST-X 3.7in 1.2LEnhance your fuel system setup with the Radium Engineering Extension Kit for the FCST X 3. 7 inch 1. 2 liter fuel cell. This precision engineered extension kit is designed to seamlessly expand the capacity of your existing Radium FCST X fuel cell, ensuring greater fuel storage without compromising performance or reliability. Crafted with the highest quality materials typical of Radium Engineering products, this extension kit maintains the robust
Enhance your fuel system setup with the Radium Engineering Extension Kit for the FCST-X 3.7 inch 1.2 liter fuel cell. This precision-engineered extension kit is designed to seamlessly expand the capacity of your existing Radium FCST-X fuel cell, ensuring greater fuel storage without compromising performance or reliability.Crafted with the highest quality materials typical of Radium Engineering products, this extension kit maintains the robust construction and durability you expect for demanding automotive applications. Installation is straightforward, with components that fit precisely to the FCST-X fuel cell system for a secure and leak-free connection.
Perfect for motorsport enthusiasts, hot rod builders, or anyone looking to upgrade their vehicle's fuel delivery system, this extension kit supports your performance goals by providing excess fuel capacity during intense driving conditions.
With Radium Engineering's reputation for innovation and Tuningsupply's commitment to fast shipping and competitive pricing within Europe, you can trust this extension kit to meet your high-performance needs quickly and efficiently.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 13 reviews
Sort
Product Reviews
★★★★★ 3
BUYER BEWARE
Size: 5 Quart
THERE IS NO NEMMA RATING OR POA RATING TO KNOW WHAT QUALITY OF OIL YOUR GETTING, BUYER BEWARE. WHICH TELLS ME ITS A POA RATING OF THREE, STANDARD OIL , NOT REAL QUALITY
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
★★★★★ 5
Good stuff, fair price.
Configuration: 4-Stroke, Size: 1 GA
Great full synthetic marine oil at a very fair price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 12, 2025
★★★★★ 5
Top notch.
Configuration: 2-Stroke, Size: 1 GA, Case of 3
It’s Valvoline so it’s quality. Very little smoke and a smooth running outboard.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
★★★★★ 5
works perfect
Configuration: 4-Stroke, Size: 1 GA
i bought to maintain mowers
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 28, 2025
★★★★★ 5
good value
Configuration: 4-Stroke, Size: 1 GA
good value and marine rating on the lable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026