BACKORDER NOTICE:
The muffler in this item is currently on backorder until further notice. You can still place your order today to reserve your item. Orders will ship as soon as inventory becomes available.

Turn your Small Vanguard into a true performer with the Black Death Package. Designed to replace restrictive stock parts with high-performance components, this kit delivers instant throttle response, quicker cold starts, smooth idle, and a massive 30% horsepower boost.

Briggs designed these engines for steady, low RPM applications, like lawn mowers or compressors, but we demand more from them in the field. With the Stage 1 kit, you’ll have the power and responsiveness you need when it matters most. Whether it’s hauling an extra 5 dozen decoys, your buddy’s retriever, or just beating your friends to the duck hole, this package makes it happen.

What’s Included:

• Mikuni carburetor kit
  

• Stainless steel “Crossover” performance muffler
  

• Custom BPS cylinder heads
  

• All necessary gaskets
  
  

Core Charge & Refund Policy

Every order includes a $200 refundable core charge. Here’s how it works:

• Purchase: The $200 refundable core charge is included in the price of the set.
  

• Return: You are responsible for shipping your old heads (cores) back to us. Returned heads must be free of cracks and broken bolts.
  

• Inspection: Once we receive them, we send the cores out for inspection. This process can take a few weeks.
  

• Refund:
  

• If the cores are in reusable condition, we’ll refund the full $200.
  

• If the cores are not reusable, no refund will be issued and you will be notified. If you’d like them returned, you will be responsible for shipping costs.
  

We explain this policy upfront so there are no surprises, our goal is to make the process smooth and transparent.