Removed from a vehicle which had a different fuel system installed. As a result, it no longer needed this pump.
Actual pump you will receive is pictured.
From the manufacturer: This pump provides an increase in fuel flow capacity over the stock LT1/L86 and LT4 fuel pumps, expanding the range of performance of these engines. At 12.0 mm in bore size, the Lingenfelter Big Bore pump flows over 30% more than the stock L86 & LT1 pump and nearly 10% more than the LT4 pump.
