Atm carb

ATM’s Methanol XCTB Series are our most versatile "circle track" carburetors. They feature a 4150-style flange with "no vacuum ports" in sizes from 650cfm all the way up to 1050cfm. It is the perfect blend of a precision die cast aluminum ATM ™ carb body with ATM 2-circuit, 4-emulsion billet metering blocks and a billet aluminum throttle body.

Atm carb. ATM Innovation ATM Innovation 34-800BK Braided Fuel Line for ATM Carbs, -8AN - Black. $87.99. Add to cart. ATM Innovation ATM Innovation XRSC-750 XRSC Series Gas Carburetor, 750cfm. $602.66. Add to cart. ATM Innovation ATM Innovation XRB-850E85 XRB Series E85 Carburetor, 850cfm. $806.00. Add to cart.

There is a very basic formula that can be used to get a solid baseline of what size carburetor based on the CFM’s needed. CFM = Cubic Inches x RPM x Volumetric Efficiency ÷ 3456. John Dickey and Jeff Harris from AED Performance have helped many customers with their carburetor selection needs for over 30 years and understand …

ATM’s most versatile street/bracket race gas carburetors are its XRSB Series that feature a 4150-style flange in sizes from 650cfm all the way up to 1050cfm. It is the perfect blend of a precision die cast aluminum QFT™ carb body with ATM 2-circuit, 5-emulsion billet metering blocks and a billet aluminum throttle body. atm-innovation 750 cfm carburetor mechanical secondaries,(double pumper) gasoline model. millled air horn for exceptional flow characteristics. brand new, factory sealed. the perfect carb for most sbc high performance street or strip rods in the 350, 383, 400's that are built in the appox. 475-535 hp range.ATM Innovation’s Gas XRX Race Series is the ultimate 4700/4500-flange carb. Available in 3 sizes from 1250 cfm all the way to a whopping 1650 cfm, it's enough to feed the most robust big-blocks. A QFT™ die cast aluminum carb body is fitted with annular discharge boosters and ATM 4-circuit, 5-emulsion, 4-corner idle billet metering blocks and slabbed throttle shafts for reduced turbulence ...FacebookATM Innovation’s XRX Series is the ultimate 4700/4500-flange methanol carb available in 3 sizes from 1050cfm to 1250cfm, enough to feed the most robust big-blocks. A QFT™ die cast aluminum carb body is fitted with annular discharge boosters and ATM 4-circuit, 5-emulsion, 4-corner idle billet metering blocks.

Sunset Performance Engines has chosen GET’M Garage as its official carburetor supplier. For an engine builder known for building serious high performance engines for serious racers, a partnership with a top-quality carburetor company known for delivering huge increases in power output and consistency only makes perfect sense. By …The allowable modifications to the carburetor are choke removal and jet size changes only. Racer X sent two 80-year-old Holley 94s to ATM with the instructions to restore one of the carbs to original specs and to “optimize” the other staying within the spirit of the rules. ATM was up to the task, and then some.ATM’s E85 XRSC Series “street/strip” race carburetors “with vacuum ports” will fulfill the needs of most racers through advanced fuel control from the ATM™ all aluminum fuel bowls, fully tuneable air bleeds and fuel channel restrictions in the ATM™ die-cast aluminum carb bodies and metering blocks. The…Read more ›The best carb we have ever owned, it is literally a bolt on masterpiece. For our application, once the carb is set it stays there. We only do a timing change for correction of air density. Matthew Wagner. Great carbs, came spot on for my combo. Tried making changes to improve and always ended up back to original specs.BLP designs and manufactures high-quality performance racing fuel systems, drive components, and engine accessory parts. Along with performance, Holley ® modified carburetors, BLP Billet Xtreme carburetors, gaskets, belt driven fuel pumps, fuel logs, and regulators.. We offer one of the largest inventories of Holley® bulk performance …

Quick Fuel Brawler Street Series Carburetors BR-67314. Carburetor, Brawler Black Street Series, 850 cfm, Mechanical Secondary, Electric Choke, 4-Barrel, Square Bore. Part Number: QFT-BR-67314. ( 2 ) Estimated Ship Date: Today. Free Shipping. Add To Cart.OMG’s Gas Series "Race" carburetors with "no vacuum ports" will fulfill the needs of most racers. With advanced fuel control from the ATM's™ all aluminum fuel bowls to the fully tuneable air bleeds and fuel channel restrictions in the ATM™ die-cast aluminum carb bodies and metering blocks. They are available in 5 sizes from 650-1050CFM (4150 …ATM’s most versatile Alcohol carburetors are its XRB Series that feature a 4150-style flange in sizes from 650cfm all the way up to 1050cfm. It is the perfect blend of a precision die cast aluminum QFT ™ carb body with ATM 2-circuit, 5-emulsion billet metering blocks and a billet aluminum throttle body. The idle and high-speed air bleeds ...ATM Innovation’s XRX Series is the ultimate 4700/4500-flange GAS carb available in 5 sizes from 1050cfm 1150 cfm 1250cfm, 1450 cfm 1650CFM enough to feed the most robust big-blocks. A die cast aluminum carb body is fitted with annular discharge boosters and ATM 4-circuit, 5-emulsion, 4-corner idle billet metering blocks.

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ATM Innovation’s XRX Series is the ultimate 4700/4500-flange GAS carb available in 5 sizes from 1050cfm 1150 cfm 1250cfm, 1450 cfm 1650CFM enough to feed the most robust big-blocks. A die cast aluminum carb body is fitted with annular discharge boosters and ATM 4-circuit, 5-emulsion, 4-corner idle billet metering blocks. OMG Billet Street Strip E85 Carburetor. $816.66. View More. OMG Billet Street Strip Methanol Carburetor. $816.66. View More. Go. Browse our Great selection of OMG Series Cast and Billet Racing and Street Carbs here at ATM Innovation. Next Generation In Fuel Systems. ATM’s Methanol XCTC Series "circle track" race carburetors with "no vacuum ports" will fulfill the needs of most racers. With advanced fuel control from the ATM™ all aluminum fuel bowls to the fully tuneable air bleeds and fuel channel restrictions in the ATM™ die-cast aluminum carb bodies and metering blocks. They are available in 5 sizes from 650 …OMG Billet Street Strip E85 Carburetor. $816.66. View More. OMG Billet Street Strip Methanol Carburetor. $816.66. View More. Go. Browse our Great selection of OMG Series Cast and Billet Racing and Street Carbs here at ATM Innovation. Next Generation In Fuel Systems.TMC Tony Morris Carburetor 1350 CFM 1 of 4 Built Excellent Condition, Ready to run. Columbus, GA $875 Posted 4 days ago. $875 Columbus, GA 1 ... 1250 CFM Alcohol ATM Carb NEW Not Boost Refrenced RACE ONLY. ATM Drag Race or …

Sunset Performance Engines has chosen GET’M Garage as its official carburetor supplier. For an engine builder known for building serious high performance engines for serious racers, a partnership with a top-quality carburetor company known for delivering huge increases in power output and consistency only makes perfect sense. By …ATM’s most versatile E85 carburetors are its XRB Series that feature a 4150-style flange in sizes from 650cfm all the way up to 1050cfm. It is the perfect blend of a precision die cast aluminum QFT ™ carb body with ATM 2-circuit, 5-emulsion billet metering blocks and a billet aluminum throttle body. The idle and high-speed air bleeds and ...ATM’s E85 XCTB Series are our most versatile "circle track" carburetors. They feature a 4150-style flange with "no vacuum ports" in sizes from 650cfm all the way up to 1050cfm. It is the perfect blend of a precision die cast aluminum ATM ™ carb body with ATM 2-circuit, 4-emulsion billet metering blocks and a billet aluminum throttle body. The idle and high … atm-innovation 1050 cfm carburetor mechanical secondaries,(double pumper) gasoline model. milled air horn for exceptional flow characteristics. brand new, factory sealed. the perfect carb for most sbc high performance street or strip rods that are built in the 635-750 hp range. ATM’s Methanol XCTB Series are our most versatile "circle track" carburetors. They feature a 4150-style flange with "no vacuum ports" in sizes from 650cfm all the way up to 1050cfm. It is the perfect blend of a precision die cast aluminum ATM ™ carb body with ATM 2-circuit, 4-emulsion billet metering blocks and a billet aluminum throttle body.In many cases, it is not possible to deposit funds for one bank into another bank’s ATM. There are some occasions in which banks that share a common ATM network can allow customers...ATM’s E85 XCTB Series are our most versatile "circle track" carburetors. They feature a 4150-style flange with "no vacuum ports" in sizes from 650cfm all the way up to 1050cfm. It is the perfect blend of a precision die cast aluminum ATM ™ carb body with ATM 2-circuit, 4-emulsion billet metering blocks and a billet aluminum throttle body. The idle and high …ATM’s most versatile Alcohol carburetors are its XRB Series that feature a 4150-style flange in sizes from 650cfm all the way up to 1050cfm. It is the perfect blend of a precision die cast aluminum QFT ™ carb body with ATM 2-circuit, 5-emulsion billet metering blocks and a billet aluminum throttle body. The idle and high-speed air bleeds ... ATM Innovation’s E85 XRB "race" carburetor is a step up from its XRSB series. While it shares many of the same features with the XRC, the XRB is intended for racers that frequently take apart their carburetors for precise tuning changes – the billet metering blocks and billet throttle bodies add another level of durability over die cast ... Sunset Performance Engines has chosen GET’M Garage as its official carburetor supplier. For an engine builder known for building serious high performance engines for serious racers, a partnership with a top-quality carburetor company known for delivering huge increases in power output and consistency only makes perfect sense. By … ATM Innovation’s E85 XRB "race" carburetor is a step up from its XRSB series. While it shares many of the same features with the XRC, the XRB is intended for racers that frequently take apart their carburetors for precise tuning changes – the billet metering blocks and billet throttle bodies add another level of durability over die cast ...

ATM Innovation leads the way in Race Carburetors and Throttle Stops. Providing winning solutions for All Racing Applications. 270-846-3964. ... Custom Carb Shop;

ATM’s E85 XRSC Series "street/strip" race carburetors "with vacuum ports" will fulfill the needs of most racers through advanced fuel control from the ATM™ all aluminum fuel bowls, fully tuneable air bleeds and fuel …Not every weekend racing is going to produce the desired results, and such was the case this weekend. BUT! The Malibu is showing signs of an increase in po...ATM’s most versatile street/bracket race gas carburetors are its XRSB Series that feature a 4150-style flange in sizes from 650cfm all the way up to 1050cfm. It is the perfect blend of a precision die cast aluminum QFT™ carb body with ATM 2-circuit, 5-emulsion billet metering blocks and a billet aluminum throttle body.ATM’s XRB carbs use the ATM™ die cast aluminum carb body that has a fully contoured high-flow air horn and externally changeable idle- and high-speed air bleeds. When combined with ATM’s 2-circuit, 4-emulsion billet metering blocks with 4-corner idle adjustment, the XRSB becomes one of the most “tuneable” race carbs on the market. ...ATM Innovation is located at 3271 Claypool Boyce Rd., Alvaton, Kentucky 42122. Come see us or give us a call today at 270-846-3964. ... Custom Carb Shop; News. ATM’s E85 XRC Series "Race" carburetors "no vacuum ports" will fulfill the needs of most racers with advanced fuel control from the ATM™ all aluminum fuel bowls to the fully tuneable air bleeds and fuel channel restrictions in the ATM™ die-cast aluminum carb bodies and metering blocks. They are available in 5 sizes from 650-1050CFM (4150 style). E85 carbs come with a shiny tumbled polish ... Advertisement ­When a cardholder wants to do an ATM tra­nsaction, he or she provides the necessary information by means of the card reader and keypad. The ATM forwards this informa...OMG Signature Series will be featuring Bill Hoskinson's personal specs from his own carburetor tuning. This build is setup for a 302 cubic inch Ford SB 750cfm Gas stick shift.. These carburetors reflect the perfect blend of a precision die cast aluminum ATM ™ carb body with ATM 2-circuit, 4-emulsion billet metering blocks and a billet aluminum throttle …

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2 Week delivery usually. ATM’s most versatile Alcohol carburetors are its XRB Series that feature a 4150-style flange in sizes from 650cfm all the way up to 1050cfm. It is the …The ATM gene provides instructions for making a protein that helps control the rate at which cells grow and divide. Learn about this gene and related health conditions. The ATM gen...ATM 1250 Dominator methanol Carb -Drag Racing Unblown or Blown - Not boost Referenced ATM-XRX-1250A $1,444.00. 650-B2 ATM Blower Carbs, NEW 650 cfm compares to Quick Fuel Boost Ref. ATM-XRB-650-AB2 …ATM’s most versatile E85 carburetors are its XRB Series that feature a 4150-style flange in sizes from 650cfm all the way up to 1050cfm. It is the perfect blend of a precision die cast aluminum QFT ™ carb body with ATM 2-circuit, 4-emulsion billet metering blocks and a billet aluminum throttle body. The idle and high-speed air bleeds and the idle fuel feed …There seems to be a protein stand-in for nearly every type of carby vehicle you can think of. I am not on a no-carb, or even low-carb diet, but I am on a eat-as-much-protein-as-I-c...From Alkydigger.com 615-457-3192. ATM Innovation’s XRX Series is the ultimate 4700/4500-flange methanol carb available in 3 sizes from 1050cfm to 1250cfm, enough to feed the most robust big-blocks. A QFT™ die cast aluminum carb body is fitted with annular discharge boosters and ATM 4-circuit, 5-emulsion, 4-corner idle billet …ATM CARB. Sold. Leave A Review. 429 Powered 84 (0.0) 0 reviews. $1,600 USD. Helena, Montana. Feb 7, 2023 (Edited Feb 7, 2023 ) . I have an ATM 1750 Dominator I bought for a bigger build but that never happened! So I have this BIG carb for sale, or I am looking for Minimum 1250 -1450 in good shape.If the Edelbrock carb is working, then something is wrong with tha ATM. Leaking power valve or too high floats, debris in needle and seat etc. ‘71 Malibu: 3580 #, 6.0 LQ4, Summit pistons, 244/[email protected] 637/612 Jones cam, Holley Split Race, Holley 850 Street HP, msd 6014, 11.5:1, T-350, 501 Converter, 12 bolt, 4.56 gearsTake it all apart unscrew the brass jets. You can soak the carb in 90% rubbing alcohol for a few hours. Get a rubber ear bulb and you can force alcohol threw all the little passages and see how they flow. Then blow all the passages clean with compressed air.ATM Innovations 850 CFM ALCOHOL Carburetor 4150 flange $905.00. ATM Innovations 1050 CFM Boost Referenced Carburetor $915.00. 25981 Allstar 1" Thick Spacer for 4150 Carbs Holley, ATM , Quick Fuel others $34.00. RBZ- Scoop Tray mount with Throttle enhancer for 4500 Black $195.00.Thread Mill Inserts / ATM-410A Inserts / Acme Threads / FULL Acme (FA) Internal Threads. Inserts are with neutral cutting edge or Positive 5 degree cutting edge (P) for soft materials and threadmilling deep holes. Coatings available include - Uncoated (-), TiN (C), TiAIN (Z), AlTiN (V) Dimensions shown in Inches. Add selected to cart. ….

Low-Carb diets for seniors claim to produce everything from rapid weight-loss to decreased blood pressure. Learn about low-carb diets for seniors. Advertisement Low-carb diet advoc...There is a very basic formula that can be used to get a solid baseline of what size carburetor based on the CFM’s needed. CFM = Cubic Inches x RPM x Volumetric Efficiency ÷ 3456. John Dickey and Jeff Harris from AED Performance have helped many customers with their carburetor selection needs for over 30 years and understand …ATM’s Methanol XCTB Series are our most versatile "circle track" carburetors. They feature a 4150-style flange with "no vacuum ports" in sizes from 650cfm all the way up to 1050cfm. It is the perfect blend of a precision die cast aluminum ATM ™ carb body with ATM 2-circuit, 4-emulsion billet metering blocks and a billet aluminum throttle body. ATM’s XRB carbs use the ATM™ die cast aluminum carb body that has a fully contoured high-flow air horn and externally changeable idle- and high-speed air bleeds. When combined with ATM’s 2-circuit, 4-emulsion billet metering blocks with 4-corner idle adjustment, the XRSB becomes one of the most “tuneable” race carbs on the market. Part #: XRSCE. $683.11. View More. XRSC Street Strip Series Methanol Carburetor. Part #: XRSCA. $683.11. View More. Stay Updated. See our selection of ATM Street and Bracket XRSC Series Racing Carbs here at ATM Innovation.Keep up to date on the latest in Racers Announcements and ATM Innovation Racing Carbs products at atminnovation.com. 270-846-3964. Next ... Custom Carb Shop; News.yeti. 33149 posts · Joined 2008. #2 · Aug 3, 2018 (Edited) The only thing short lived is your non-existent experience with 3 Barrel carbs. You are criticizing a carb you know nothing about, in fact, evident in the posts you make on the net, you don't know much about carbs at all, or you wouldn't bad mouth the 3bbl or the twin blade.I did not need a new E85 carburetor, but when I saw ATM innovations had a E85 950 CFM carburetor under $700 shipped, I had to give them a try. This is one of...ATM Innovation XRSC-750 XRSC Series Gas Carburetor, 750cfm. Brand New! Fast Shipping! Fast Track Auto. (6531) 99.4% positive. Seller's other items. Contact seller. US $602.66. Atm carb, ATM Innovation is located at 3271 Claypool Boyce Rd., Alvaton, Kentucky 42122. Come see us or give us a call today at 270-846-3964. ... Custom Carb Shop; News., In today’s increasingly digital world, cashless transactions have become more popular than ever. One solution that has gained significant attention is the cashless ATM. The primary..., Not every weekend racing is going to produce the desired results, and such was the case this weekend. BUT! The Malibu is showing signs of an increase in po..., yeti. 33149 posts · Joined 2008. #2 · Aug 3, 2018 (Edited) The only thing short lived is your non-existent experience with 3 Barrel carbs. You are criticizing a carb you know nothing about, in fact, evident in the posts you make on the net, you don't know much about carbs at all, or you wouldn't bad mouth the 3bbl or the twin blade., Description; ATM’s E85 XRB Series are our most versatile "race" carburetors with a 4150-style flange and "no vacuum ports".They are the perfect blend of a precision die cast aluminum ATM ™ carb body with ATM 2-circuit, 4-emulsion billet metering blocks. F uel is managed by ATM™ all aluminum dual inlet, dual sight-window fuel bowls and the billet …, Setting an Edelbrock carburetor to run efficiently is not a difficult thing to do. Learning how to set air mixture screws on Edelbrock carbs will give you the ability to adjust the..., OMG’s most versatile E85 carburetors are its "Race" Series that feature a 4150-style flange "no vacuum ports" in sizes from 650cfm all the way up to 1050cfm. It is the perfect blend of a precision die cast aluminum ATM ™ carb body with ATM 2-circuit, 4-emulsion billet metering blocks and a billet aluminum throttle body. The idle and high-speed air bleeds …, ATM’s most versatile street/bracket race gas carburetors are its XRSB Series that feature a 4150-style flange in sizes from 650cfm all the way up to 1050cfm. It is the perfect blend of a precision die cast aluminum QFT™ carb body with ATM 2-circuit, 5-emulsion billet metering blocks and a billet aluminum throttle body., A new Bankrate report shows that the cost of using an out-of-network ATM is growing. Here's how to avoid those charges completely. By clicking "TRY IT", I agree to receive newslett..., Product Information. ATM-INNOVATION 750 CFM CARBURETOR MECHANICAL SECONDARIES, (DOUBLE PUMPER) GASOLINE MODEL. MILLLED AIR HORN FOR …, Product Information. ATM-INNOVATION 1050 CFM CARBURETOR MECHANICAL SECONDARIES, (DOUBLE PUMPER) GASOLINE MODEL. MILLED AIR HORN FOR …, ATM Innovation is located at 3271 Claypool Boyce Rd., Alvaton, Kentucky 42122. Come see us or give us a call today at 270-846-3964. ... Custom Carb Shop; News. , atm-innovation 750 cfm carburetor mechanical secondaries,(double pumper) gasoline model. millled air horn for exceptional flow characteristics. brand new, factory sealed. the perfect carb for most sbc high performance street or strip rods in the 350, 383, 400's that are built in the appox. 475-535 hp range., Atm is nothing.So many better carb builders.M laws by far has as much expertise as anyone on your list.I would buy braswell over any person on your list. 72 Chevelle. 555 BBC profiler 174x heads. Best of 5.21-131 and 8.27 -164.82. e85 single carb 3460 w driver. no pwr adder, The ATM gene provides instructions for making a protein that helps control the rate at which cells grow and divide. Learn about this gene and related health conditions. The ATM gen..., Details. Q-Series E85. Ideally suited for bracket racers and weekend warriors alike, Q-Series carburetors are purpose-built for the dragstrip. To combat the g's experienced during hard launches, Q-Series carbs are equipped with notched floats and secondary jet extensions. The high-flow aluminum main body isn't just lightweight, but it also ..., ATM’s Methanol XRC Series "Race" carburetors "no vacuum ports" will fulfill the needs of most racers. With advanced fuel control from the ATM™ all aluminum fuel bowls to the fully tuneable air bleeds and fuel channel restrictions in the ATM™ die-cast aluminum carb bodies and metering blocks. They are available in 5 sizes from 650-1050CFM (4150). Methanol carbs come with a shiny tumbled ..., Re: Holley Ultra HP Carb VS AED Performance VS Quick Fuel Ca. by Meehan Race Engines » Wed Sep 12, 2012 8:31 pm. You cannot go wrong with a AED.John Dickey and his team do a great job.To win 3 out of the 4 in the Carb Shootout at last years PRI and 2nd place in the other should say enough.John is a wealth of …, One croissant, two croissant, three croissant... sleep The New Year often brings resolutions for self-improvement -- things like going to the gym more or giving up carbs. Some hote..., ATM's most versatile gas carburetors are its XRB Series that feature a 4150-style flange in sizes from 650cfm all the way up to 1050cfm. It is the perfect blend of a precision die cast aluminum QFT carb body with ATM 2-circuit, 4-emulsion billet metering blocks and a billet aluminum throttle body., ATM’s E85 XRC Series "Race" carburetors "no vacuum ports" will fulfill the needs of most racers with advanced fuel control from the ATM™ all aluminum fuel bowls to the fully tuneable air bleeds and fuel channel restrictions in the ATM™ die-cast aluminum carb bodies and metering blocks. They are available in 5 sizes from 650-1050CFM (4150 style). E85 carbs come with a shiny tumbled polish ..., ATM’s most versatile street/bracket race gas carburetors are its XRSB Series that feature a 4150-style flange in sizes from 650cfm all the way up to 1050cfm. It is the perfect blend of a precision die cast aluminum QFT™ carb body with ATM 2-circuit, 5-emulsion billet metering blocks and a billet aluminum throttle body. , ATM Innovation’s E85 XRB "race" carburetor is a step up from its XRSB series. While it shares many of the same features with the XRC, the XRB is intended for racers that frequently take apart their carburetors for precise tuning changes – the billet metering blocks and billet throttle bodies add another level of durability over die cast ... , Big Decisions - The California Air Resources Board has made a number of decisions that have shaped the car industry in surprising ways. Learn about these decisions. Advertisement C..., GY6 50cc Carburetor For GY6 4 Stroke Engine 49cc 50cc Scooter Taotao Go Kart Moped PD18J Carb Engine, 139QMB 139QMA Carburetor with Air Filter and Intake Manifold 4.1 out of 5 stars 15 1 offer from $26.99, OMG’s most versatile E85 carburetors are its "Race" Series that feature a 4150-style flange "no vacuum ports" in sizes from 650cfm all the way up to 1050cfm. It is the perfect blend of a precision die cast aluminum ATM™ carb body with ATM 2-circuit, 4-emulsion billet metering blocks and a billet aluminum throttle body. The idle and high-speed air bleeds and the idle fuel feed and ..., Customer Information and Specs. Engine Info. (C.I.D./make/family): *. Cylinder head Info. Vacuum at Idle (in gear if auto.): Provide your vehicle information and we will advise the best carburetor option for your setup., Facebook, Aug 5, 2023 · ATM INNOVATION CARBURETOR 950 CFM STREET STRIP RACING SERIES. XRSC950. whiteperformance1. (211192) 99.8% positive. Seller's other items. Contact seller. US $619.00. No Interest if paid in full in 6 mo on $99+ with PayPal Credit*. , There is a very basic formula that can be used to get a solid baseline of what size carburetor based on the CFM’s needed. CFM = Cubic Inches x RPM x Volumetric Efficiency ÷ 3456. John Dickey and Jeff Harris from AED Performance have helped many customers with their carburetor selection needs for over 30 years and understand …, Not every weekend racing is going to produce the desired results, and such was the case this weekend. BUT! The Malibu is showing signs of an increase in po..., atm-innovation 750 cfm carburetor mechanical secondaries,(double pumper) gasoline model. millled air horn for exceptional flow characteristics. brand new, factory sealed. the perfect carb for most sbc high performance street or strip rods in the 350, 383, 400's that are built in the appox. 475-535 hp range., ATM’s XRB carbs use the ATM™ die cast aluminum carb body that has a fully contoured high-flow air horn and externally changeable idle- and high-speed air bleeds. When combined with ATM’s 2-circuit, 4-emulsion billet metering blocks with 4-corner idle adjustment, the XRSB becomes one of the most “tuneable” race carbs on the market.