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designed to fit 4150 Flange & Spread Bore manifolds - (Spread Bore Sealing Plate Part #9006 recommended) Compatibl e with Holley EFI analog gauges and electronic dashes
specially designed throttle shafts
149 Piston Material: 2618 Forging Type: FSR Piston Avg Weight: 401 Pin Wall Thickness: 0
Retractable Tow Strap
Half the weight of the stock item
HO550-544 Mooneyes designed to fit 4150 FlangeSniper EFI XFLow 4BBL Self Tuning System, Polished900 cfm 8 Injectors, 1375 HP HO550 544 550 544 Introducing Sniper EFI XFlow! Are you building a naturally aspirated engine up to 800 Horsepower? Looking to convert your blow through carbureted turbo engine to EFI? Look no further! The Sniper EFI XFlow from Holley features 4, 120LB HR Fuel Injectors and flows 900CFM allowing it safely supporting up to 800 HP on Naturally Aspirated engines. The XFlow
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