Holley Sniper 2 EFI Fuel Injection Master Kit - Silver 550-510-3XR WHIW73428 You can activate one retard

You can activate one retard for a nitrous stage and another at top end in high gear for more mph and still have another module left over for dual stage nitrous systems

Its fully automated and programmable to simulate various driving situations

very fine grain structure is achieved

1986-1995 GMC G1500

Holley Sniper 2 EFI Fuel Injection Master Kit - Silver 550-510-3XR WHIW73428 You can activate one retardHolley Sniper 2 EFI Fuel Injection Master Kit Silver Product Description: Fuel Injection Sniper 2 EFI Throttle Body Square Bore Aluminum Silver The Sniper line of products are bringing high quality products into everyone's price range! Sniper is a one stop shop for a complete fuel system overhaul, including fabricated intake manifolds, high performance plumbing parts, fuel pumps & regulators, and a self tuning TBI style fuel injection system that