Sierra Hi Perf Conversion Kit | 18-5290
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Hi Perf Conversion Kit
- Brand: Sierra
- Manufacturer part #: 18-5290
- Sold as: EA
Product Details
Sierra 18-5290. Electronic ignition conversion kit for most Mallory YL or YD eight-cylinder distributors, including clockwise and counterclockwise distributor rotation. Sierra lists the 18-5472 Flame Thrower II coil for this conversion.
Parts Desk Insight
Read the distributor identification before selecting a conversion kit. Confirm the specified coil and wiring requirements in the kit instructions; this is not a universal module for every V8 distributor.
Product Reference
Shipping information
In-stock and OEM parts: ship same or next business day.
Available items are ready for pickup or shipping between one and three days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.