If you're quicker than 1.4 seconds to 60 feet, jet extensions are recommended. Just message me before you pay so I can adjust the invoice. Black metering blocks and inlet adapters are usually available.
It has been assembled with high-flow. 110 needle & seat assemblies, 30cc pumps, #31 squirters with pink #330 racing pump cams, non-stick bowl and block gaskets, nylon bowl screw gaskets, and vent baffle.
The jetting is 74 up front with a 6.5 Hg high-flow power valve, and 82 in the rear with the power valve circuit blocked. The mounting gaskets are included as shown. Here's a list of features. QFT polished lightweight aluminum main body with screw-in air bleeds.
030 high speed bleeds installed. Red aluminum metering blocks that are custom calibrated for maximum performance. 4 corner idle for fine tuning your idle circuit. Heavy duty cast aluminum baseplate that is much stronger than a stock Holley piece.
Teflon coated throttle shafts, stainless steel throttle blades, and loctited button-head screws for increased flow due to decreased turbulence. Lightweight aluminum racing style fuel bowls with sight windows that will not yellow.
No more fumbling with sight plugs! Uses a standard Holley model 4150, inverted flare fuel line with 5/8-18 flare nut. This carburetor weighs just over 7-1/2 lbs. While a typical cast zinc carb weighs in at 11 to 13 lbs.
Please see my other auctions for more great deals. The item "HOLLEY, QFT 850 HP DOUBLE PUMPER, RED MET. BLOCKS, STREET, STRIP, HEAVY-DUTY BASE" is in sale since Sunday, February 18, 2018. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Air Intake & Fuel Delivery\Carburetors". The seller is "stevemeno289" and is located in Jeannette, Pennsylvania.This item can be shipped to United States, all countries in Europe, Canada, Australia, Japan, China, South Korea, Indonesia, Taiwan, Thailand, Hong Kong, Bahamas, Mexico, New Zealand, Singapore, Malaysia, Brazil, Chile, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Bangladesh, Brunei darussalam, Bolivia, Ecuador, French guiana, Guadeloupe, Cambodia, Macao, Martinique, Nicaragua, Peru, Pakistan, Paraguay, Viet nam, Uruguay, Colombia, Barbados, Bermuda, Cayman islands, Maldives, Sri lanka.