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Description
Flowtech Upright Headers - 11546FLTOverview: Flowtech Headers are the perfect combination of quality and value. These Small Block Chevy Upright headers available in 1 5 8" and 1 3 4" tube diameters are ideal for even big cubic inch Small Block Chevy engines. They feature a merged collector coupled with a collector spear that is welded inside the collector. These components help to improve the flow and performance of the header. Features: CNC Mandrel bent tubes provide consistent tubing
Overview:
Flowtech Headers are the perfect combination of quality and value. These Small Block Chevy Upright headers available in 1-5/8" and 1-3/4" tube diameters are ideal for even big cubic inch Small Block Chevy engines. They feature a merged collector coupled with a collector spear that is welded inside the collector. These components help to improve the flow and performance of the header.
Features:
- CNC Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect and improves engine breathing
- Heavy duty 16-gauge 409SS tubing for increased strength and durability
- 1-5/8” and 1-3/4” tubing diameters available for increased exhaust flow increasing performance and improved throttle response
- 3” collector for maximum strength and exhaust flow
- Extra thick header flange for a leak-free seal and maximum strength
- Welded-in collector merge spears to control exhaust gas re-entry into primary tubes
Application:
- 1955-1986 Chevrolet Corvette
- 1959-1986 Pontiac Parisienne
- 1959-1986 Chevrolet El Camino
- 1958-1985 Chevrolet Impala
- 1955-1981 Pontiac Laurentian
- 1955-1981 Chevrolet Bel Air
- 1966-1986 Chevrolet Caprice
- 1967-1986 Chevrolet K20 Suburban
- 1967-1986 Chevrolet Camaro
- 1964-1983 Chevrolet Malibu
- 1967-1986 Chevrolet C20 Suburban
- 1967-1986 Chevrolet C10 Suburban
- 1967-1986 Chevrolet K10 Suburban
- 1968-1986 Pontiac Firebird
- 1970-1986 Chevrolet Monte Carlo
- 1970-1986 GMC Jimmy
- 1971-1986 Pontiac Bonneville
- 1958-1972 Chevrolet Biscayne
- 1960-1974 Chevrolet C20 Pickup
- 1960-1974 Chevrolet C10 Pickup
- 1960-1974 Chevrolet C30 Pickup
- 1960-1974 Chevrolet K10 Pickup
- 1960-1974 Chevrolet K20 Pickup
- 1958-1972 Chevrolet Brookwood
- 1968-1981 Pontiac LeMans
- 1959-1972 Chevrolet Kingswood
- 1958-1970 Pontiac Strato-Chief
- 1975-1986 Chevrolet C30
- 1975-1986 Chevrolet C20
- 1970-1981 Pontiac Catalina
- 1975-1986 Chevrolet K10
- 1975-1986 Chevrolet K20
- 1975-1986 Chevrolet G10
- 1975-1986 Chevrolet G20
- 1975-1986 Chevrolet G30
- 1975-1986 Pontiac Grand Prix
- 1975-1986 Chevrolet K5 Blazer
- 1975-1986 Chevrolet C10
- 1969-1979 Chevrolet Nova
- 1964-1973 Chevrolet Chevelle
- 1977-1986 Chevrolet K30
- 1977-1986 Buick Regal
- 1978-1986 GMC Caballero
- 1978-1986 Oldsmobile Cutlass
- 1975-1983 Pontiac Grand LeMans
- 1978-1986 Oldsmobile Cutlass Supreme
- 1979-1986 GMC C3500
- 1979-1986 GMC G1500
- 1979-1986 GMC C2500 Suburban
- 1967-1974 Chevrolet G20 Van
- 1967-1974 GMC C15/C1500 Suburban
- 1967-1974 GMC C25/C2500 Suburban
- 1979-1986 GMC C1500
- 1973-1980 Pontiac Grand Am
- 1979-1986 GMC K1500
- 1979-1986 GMC K1500 Suburban
- 1979-1986 GMC K2500
- 1979-1986 GMC K2500 Suburban
- 1967-1974 GMC C25/C2500 Pickup
- 1967-1974 GMC C35/C3500 Pickup
- 1967-1974 GMC G15/G1500 Van
- 1979-1986 GMC G2500
- 1975-1982 Oldsmobile Delta 88
- 1979-1986 GMC G3500
- 1967-1974 GMC C15/C1500 Pickup
- 1967-1974 GMC K15/K1500 Suburban
- 1964-1971 Pontiac Acadian
- 1979-1986 GMC K3500
- 1967-1974 GMC K25/K2500 Pickup
- 1967-1974 GMC K25/K2500 Suburban
- 1979-1986 GMC C1500 Suburban
- 1979-1986 GMC C2500
- 1967-1974 GMC G25/G2500 Van
- 1967-1974 GMC K15/K1500 Pickup
- 1968-1974 Chevrolet G10 Van
- 1971-1977 Pontiac Ventura
- 1968-1974 GMC K35/K3500 Pickup
- 1971-1977 GMC Sprint
- 1968-1974 Chevrolet K30 Pickup
- 1978-1984 Oldsmobile Cutlass Calais
- 1955-1961 Chevrolet Nomad
- 1960-1966 GMC 3000
- 1960-1966 GMC 3500
- 1960-1966 Chevrolet Suburban
- 1969-1974 Chevrolet Blazer
- 1963-1968 Chevrolet Chevy II
- 1964-1969 Pontiac Beaumont
- 1960-1965 GMC Suburban
- 1955-1960 GMC Truck
- 1955-1960 Chevrolet Truck
- 1970-1974 Chevrolet G30 Van
- 1970-1974 GMC G35/G3500 Van
- 1975-1979 Chevrolet Monza
- 1955-1959 GMC PM150
- 1955-1959 GMC PM250
- 1955-1959 GMC S300
- 1955-1959 GMC S370
- 1955-1959 GMC 100
- 1955-1959 GMC 150
- 1955-1959 GMC 250
- 1955-1959 GMC 300
- 1955-1959 GMC 350-8
- 1955-1959 GMC 370
- 1955-1959 GMC F350
- 1955-1959 GMC F370
- 1955-1959 GMC FM340
- 1955-1959 GMC FM350
- 1955-1959 GMC M300
- 1977-1981 Buick Century
- 1978-1982 Buick LeSabre
- 1975-1978 GMC G15
- 1975-1978 GMC G25
- 1975-1978 GMC C35
- 1956-1959 GMC PM151
- 1956-1959 GMC PM251
- 1972-1975 Pontiac Grandville
- 1971-1974 Pontiac Grand Safari
- 1973-1976 Chevrolet Laguna
- 1975-1978 GMC K15 Suburban
- 1975-1978 GMC K25
- 1975-1978 GMC K25 Suburban
- 1975-1978 GMC C15
- 1980-1983 Oldsmobile Cutlass Cruiser
- 1975-1978 GMC G35
- 1955-1958 Pontiac Pathfinder
- 1955-1958 Chevrolet Sedan Delivery
- 1960-1963 GMC 2500 Series
- 1960-1963 GMC 1000 Series
- 1960-1963 GMC 1500 Series
- 1969-1972 Chevrolet Townsman
- 1975-1978 GMC C15 Suburban
- 1975-1978 GMC C25
- 1975-1978 GMC C25 Suburban
- 1975-1978 GMC K15
- 1968-1970 Pontiac Tempest
- 1957-1959 GMC PM152
- 1957-1959 GMC PM153
- 1977-1979 Pontiac Phoenix
- 1975-1977 Oldsmobile Custom Cruiser
- 1978-1980 Oldsmobile Cutlass Salon
- 1977-1979 Oldsmobile Omega
- 1959-1961 Chevrolet Parkwood
- 1955-1957 Chevrolet Two-Ten Series
- 1955-1957 Chevrolet One-Fifty Series
- 1972-1974 Chevrolet P30 Van
- 1977-1979 Oldsmobile Starfire
- 1977-1979 Buick Skylark
- 1969-1970 Chevrolet Estate
- 1978-1979 Pontiac Sunbird
- 1957-1958 Chevrolet Del Ray
- 1955-1956 GMC M340
- 1977-1978 GMC K35
- 1958 GMC PM252
- 1958 GMC PM253
- 1958 Chevrolet Yeoman
- 1959 Chevrolet 3B
- 1959 Chevrolet 3C
- 1959 Chevrolet 3D
- 1959 Chevrolet 3E
- 1959 Chevrolet 3F
- 1959 Chevrolet 3G
- 1967 Chevrolet K20 Panel
- 1955 GMC 100-22
- 1955 GMC 150-22
- 1955 GMC 250-22
- 1955 GMC 280-22
Specs:
| Application | Small Block Chevy |
|---|---|
| Brand | Flowtech |
| Collector Diameter | 3.00 inch |
| Collector Length | 12 inch |
| Emission Code | 4 |
| Engine | Chevrolet Small Block |
| Header Finish | Natural |
| Header Style | Upright |
| Installed Height | 37.0" |
| Primary Tube Dia. | 1-3/4 inch |
| Product Type | Headers |
| Tube Material | 409 Stainless Steel |
| Warning | California Proposition 65 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Mixes drinks well and holds a charge
Color: Silver
I bought this frother to replace a weaker frother I had been using for months. I make iced lattes with instant espresso powder, water, and milk, and this frother does a great job at mixing the powder into the water/milk. It also leaves a nice 1" or so of milk froth on the top. I love that it can be charged with a USB-C cable and doesn't require batteries like many frothers do. It's very powerful for the size.
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Reviewed in the United States on June 7, 2026
★★★★★ 5
Putting my $.02 into the mix
Size: Basic Frother, Color: Black
My old, lame hand mixer finally gave up the ghost. I ordered one of those “stick blenders” but it was waaaay too powerful for my purposes. (I don’t need it to dice/chop/pulverize fruits or veggies - if you need that, this mixer isn’t for you.) I needed something in between. I kept coming back to the “milk frothers,” but I had my doubts that one of those could mix up my morning shake. I tried a frother some years ago, and it wasn’t designed for blending ingredients, just for frothing liquids. Still, I had an idea (like some of you might) that what I needed was not a true stick mixer, nor a true milk frother. Something in between. I needed a “frother on steroids.”
I settled on this one-the YUSWKO YW-218. It had the regular frothing head, but also two other heads. One looks like a mini bread hook; the other like a mini whisk.
I plugged it into charge and it did take the stated time to come to a full charge. (Like any kid with a new toy, I tried turning it on before charging, but the low state of charge resulted in the high-medium-low settings not behaving correctly.)
For my first few forays into blending, I tried the mini bread hook thingee. It worked OK, but not as well nor as quickly as I wanted. I then shifted to the mini whisk thingee. I didn’t really prepare well. I combined my milk-protein powder-carnation breakfast-malt flavoring-imitation (yeah, I know, it probably causes cancer, but only in California) vanilla flavoring concoction into my normal medium-sized concession cup (you know, the smaller ones you get at high school basketball games), lowered the whisk head into the goop, and turned it to “low.” In a second, I was wearing my shake. But the power capacity was more than enough to do what I was needing.
Anyway, since that first attempt with the whisk head, I’ve gotten the routine down. And it is EXACTLY what I needed. (I’ll try to attach a video to show you.). Clean up is simple. You can do it with soapy water and a brush or rag, but I just run the thing in clear water and ensure I get all the sticky stuff off. I tried the soapy water, but I got a LOT of suds.
A few pointers. First, charge it up all the way before using it. I haven’t had to recharge for two weeks now. You’ll use a regular, small phone-charging brick. (Two words of CAUTION. I found that the included, cheap charging cord did not work. It got really hot, like there was an electrical short in it. So I found one of my own. Also, DO NOT USE the larger charging blocks like the ones from Ap*le. I tried and it was too much.) Second, I assumed that the low speed would be the less aggressive and thus the less “throw-stuff-out-of-the-cup” setting. But that hasn’t proven true for me. I’ve found that the medium setting makes my ingredients behave better (less throw-out and quicker blending). Experiment with different speeds, even though it may not make immediate sense. Third, practice with plain water first (I’ve already told you how I know this). That’ll give you a “feel” for what this frother will do. Fourth, practice with different sized cups. I’ve since changed to the taller concession cups, as they prevent throw-out. Fifth, start practicing with your cups down in a sink. Less mess to clean up and no need to change clothes before you head out to work or school (I’m a teacher). Finally, familiarize yourself with the way the three buttons work. My previous mixer required me to keep the button depressed to blend. If I let up on the button, the unit would stop. Not so with this one. A light press to start, let go, then a light press to stop. Don’t keep mashing the button.
Final thoughts: this frother is just what I needed. If your experience sounds like mine, I think this one’ll give you good service.
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Reviewed in the United States on November 25, 2022
★★★★★ 5
Excellent frother
Size: Basic Frother, Color: Christmas Red
This item works great! I love the red color and how easy it is to clean, and howneasynitnis to charge. I also like that there are three different attachments to choose from.
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Reviewed in the United States on June 8, 2026
★★★★★ 5
Perfect and convenient tool
Size: Basic Frother, Color: Black
I am very happy with my new milk frother. Really easy to use and I was very pleased with the results. I got to enjoy my first home made cappuccino and it was perfect. I have only used the frother attachment so far but I plan to use the whip the next time I scramble a couple of eggs. Very please with my purchase.
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Great hand held mixer
Size: Basic Frother, Color: Black
Great mini mixer with three different whisks. Powerful and runs quite a while on a single charge. Fast delivery and was just as described.
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Reviewed in the United States on May 25, 2026