Holley Sniper EFI Self-Tuning Kit Handheld EFI Monitor & Fuel Pump # HO550-510D Rate_10 Proprietary molybdenum and chromium alloys

Proprietary molybdenum and chromium alloys resist rotor cracking during high performance use or repeated stop situations and increase friction--improving brake performance and stopping power

Secondary Jet Size:82

Cylinders honed on computer controlled machine to within

Notes:For 1999-2012 GM Truck

and RV use

Holley Sniper EFI Self-Tuning Kit Handheld EFI Monitor & Fuel Pump # HO550-510D Rate_10 Proprietary molybdenum and chromium alloysHolley Sniper EFI Self Tuning Kit Handheld EFI Monitor & Fuel Pump # HO550 510D Fuel Injection System, Holley Sniper EFI Returnless Master Kit, Polished Throttle Body, Kit Fuel Injection Style: Throttle body Fuel Injection System Type: Single 4 Barrel Throttle Body (4150 Flange) Maximum Horsepower with Gas: 650 Timing Control Compatible: Yes Power Adder Compatible: No ECM Included: Yes Self Tuning: Yes User Tunable: Yes Fuel Pump Included: Yes Fuel