You are purchasing a set of 4 - 24 mm extenders for use with "compact" length fuel injectors to extend to a "long" 3 inch/76 mm.

Fiveo List Price: $59.99
eBay Sale Price: $49.49 - 24 mm extenders with o-rings - You save $10.50

Use with domestic (U.S.) fit fuel injectors with 14.5 mm o-rings.

Note: Fuel injector not included

These extenders are made of aircraft quality aluminum and hard anodized plated.

They all the use of standard EV-14, EV-6, or EV-1 style injectors to be used on a vehicle that ordinarily uses long injectors.

Sold with a set of Viton 14.5 mm (domestic fit) fuel rail o-rings. 
  
SPECIAL NOTE to our customers: If you are not 100% satisfied we will exchange or refund your purchase price for returned, unused fuel injector extender adapters.
You pay only the shipping.