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Description
Engine Gasket Set FS7733PT2 for SBC Chevrolet 283-350 1959-1979Replacement part number: FS7733PT2, 260 1000, 2601000, 30 1000, 301000, C350 1, C3501 Fit for SBC Small Block Chevrolet Engine: 283 4. 6L 1957 1967 302 4. 9L 1967 1969 307 5. 0L 1968 1973 327 5. 4L 1962 1969 350 5. 7L 1967 1979 Application: Avanti II 1965 1972 1977 1979 Bizzarrini GT America 1965 1969 Bizzarrini GT Strada 1965 1969 Buick Century 1977 1979 Buick Regal 1977 1977 Buick Skylark 1977 1979 Checker Marathon 1965 1974 Checker Marathon 1977
Replacement part number:
FS7733PT2, 260-1000, 2601000, 30-1000, 301000, C350-1, C3501Fit for SBC Small Block Chevrolet Engine:
283 4.6L 1957-1967
302 4.9L 1967-1969
307 5.0L 1968-1973
327 5.4L 1962-1969
350 5.7L 1967-1979
Application:
Avanti II 1965 -1972 1977 -1979
Bizzarrini GT America 1965 -1969
Bizzarrini GT Strada 1965 -1969
Buick Century 1977 -1979
Buick Regal 1977 -1977
Buick Skylark 1977 -1979
Checker Marathon 1965 -1974
Checker Marathon 1977 -1979
Checker Aerobus 1966 -1974
Checker Taxicab 1969 -1974
Chevrolet Biscayne 1958 -1975
Chevrolet G30/3500 1 Ton - Van 1970 -1979
Chevrolet Bel Air 1957 -1979
Chevrolet Brookwood 1959 -1961
Chevrolet Brookwood 1969 -1970
Chevrolet P10 1/2 Ton - Step Van 1961 -1962
Chevrolet P10 1/2 Ton - Step Van 1973 -1973
Chevrolet P10 1/2 Ton - Step Van 1975 -1975
Chevrolet P10 1/2 Ton - Step Van 1977 -1978
Chevrolet K20 3/4 Ton 4WD - Pickup 1960 -1979
Chevrolet C20 3/4 Ton - Pickup 1960 -1979
Chevrolet Corvette 1957 -1979
Chevrolet Suburban K10 1/2 Ton 4WD 1960 -1979
Chevrolet K10 1/2 Ton 4WD - Pickup 1960 -1979
Chevrolet G10/1500 1/2 Ton - Van 1968 -1979
Chevrolet Impala 1958 -1979
Chevrolet C50 2 Ton Truck 1960 -1979
Chevrolet 5F 5700S 1 1/2 Ton HD Truck 1957 -1959
Chevrolet K30 1 Ton 4WD - Pickup 1968 -1974
Chevrolet K30 1 Ton 4WD - Pickup 1976 -1979
Chevrolet Laguna 1974 -1976
Chevrolet El Camino 1959 -1960
Chevrolet El Camino 1964 -1979
Chevrolet Chevy II 1963 -1968
Chevrolet Monte Carlo 1970 -1977
Chevrolet C10 1/2 Ton - Pickup 1960 -1979
Chevrolet C60 1960 -1979
Chevrolet Blazer C10 1/2 Ton 1970 -1979
Chevrolet 3100 1/2 Ton Truck 1957 -1959
Chevrolet P20 3/4 Ton - Step Van 1961 -1962
Chevrolet P20 3/4 Ton - Step Van 1968 -1979
Chevrolet Suburban C20 3/4 Ton 1967 -1979
Chevrolet 8D 8500 2 1/2 Ton HD Truck 1957 -1957
Chevrolet 7A 7100 2 1/2 Ton HD Truck 1957 -1957
Chevrolet C30 1 Ton - Pickup 1960 -1979
Chevrolet Caprice 1966 -1979
Chevrolet 8A 8100 2 1/2 Ton HD Truck 1957 -1957
Chevrolet P30 1 Ton - Step Van 1961 -1962
Chevrolet P30 1 Ton - Step Van 1968 -1979
Chevrolet 6A 6100 2 Ton Truck 1957 -1959
Chevrolet Special 150 1957 -1957
Chevrolet 6G 6400S 1 1/2 Ton HD Truck 1957 -1959
Chevrolet Camaro 1967 -1979
Chevrolet Blazer K5 1/2 Ton 4WD 1969 -1979
Chevrolet Suburban C10 1/2 Ton 1960 -1979
Chevrolet 6B 6400 2 Ton Truck 1957 -1959
Chevrolet Chevelle 1964 -1973
Chevrolet 6H 6500S 1 1/2 Ton HD Truck 1957 -1959
Chevrolet 3800 1 Ton Truck 1957 -1959
Chevrolet Nova 1969 -1979
Chevrolet 3500 3/4 Ton Truck 1957 -1959
Chevrolet Malibu 1973 -1979
Chevrolet 8E 8700 2 1/2 Ton HD Truck 1957 -1957
Chevrolet G20/2500 3/4 Ton - Van 1967 -1979
Chevrolet 5D 5100S 1 1/2 Ton HD Truck 1957 -1959
Chevrolet C10 Panel Delivery 1960 -1960
Chevrolet 3200 1/2 Ton Truck 1957 -1959
Chevrolet C30 Panel Delivery 1960 -1960
Chevrolet 3700 3/4 Ton Truck 1957 -1959
Chevrolet Suburban K20 3/4 Ton 4WD 1967 -1979
Chevrolet 5C 5700 2 Ton Truck 1957 -1959
Chevrolet 8F 8800 2 1/2 Ton HD Truck 1957 -1957
Chevrolet 6C 6500 2 Ton Truck 1957 -1959
Chevrolet K20 Panel Delivery 1967 -1967
Chevrolet 8B 8200 2 1/2 Ton HD Truck 1957 -1957
Chevrolet C40 1 1/2 Ton Truck 1960 -1962
Chevrolet 5A 5100 2 Ton Truck 1957 -1959
Chevrolet 3600 3/4 Ton Truck 1957 -1959
Chevrolet 5E 5400S 1 1/2 Ton HD Truck 1957 -1959
Chevrolet 3400 3/4 Ton Truck 1957 -1959
Chevrolet 8C 8400 2 1/2 Ton HD Truck 1957 -1957
Chevrolet 5B 5400 2 Ton Truck 1957 -1959
Chevrolet 6F 6100S 1 1/2 Ton HD Truck 1957 -1959
Chevrolet 1500 1957 -1957
Chevrolet C70 1979 -1979
Chevrolet Del Ray 1958 -1958
Chevrolet Deluxe 210 1957 -1957
Chevrolet 7B 7200 2 1/2 Ton HD Truck 1957 -1957
Chevrolet 7C 7700 2 1/2 Ton HD Truck 1957 -1957
Chevrolet Yeoman 1958 -1958
Excalibur Phaeton 1965 -1971
GMC Suburban C1500 1/2 Ton 1967 -1979
GMC Sprint 1971 -1977
GMC K3500 1 Ton 4WD - Pickup 1968 -1974
GMC K3500 1 Ton 4WD - Pickup 1976 -1979
GMC P2500 3/4 Ton - Step Van 1967 -1979
GMC 1000 1960 -1963
GMC K1500 1/2 Ton 4WD - Pickup 1967 -1979
GMC P3500 1 Ton - Step Van 1967 -1979
GMC Suburban K1500 1/2 Ton 4WD 1967 -1979
GMC 2500 1960 -1963
GMC Suburban C2500 3/4 Ton 1967 -1979
GMC 3500 1960 -1966
GMC C3500 1 Ton - Pickup 1967 -1979
GMC K2500 3/4 Ton 4WD - Pickup 1967 -1979
GMC Jimmy C1500 1/2 Ton 1970 -1979
GMC 1500 1960 -1963
GMC 3000 1960 -1966
GMC G3500 1 Ton - Van 1970 -1979
GMC C2500 3/4 Ton - Pickup 1967 -1979
GMC G2500 3/4 Ton - Van 1967 -1979
GMC C1500 1/2 Ton - Pickup 1967 -1979
GMC C7000 1979 -1979
GMC Suburban K2500 3/4 Ton 4WD 1967 -1979
GMC G1500 1/2 Ton - Van 1967 -1979
GMC Jimmy K1500 1/2 Ton 4WD 1970 -1979
GMC P1500 1/2 Ton - Step Van 1967 -1967
GMC Caballero 1978 -1979
GMC C5000 2 Ton Truck 1979 -1979
GMC C6000 1979 -1979
Gordon-Keeble GK1 1964 -1967
Gordon-Keeble IT 1964 -1967
Iso Grifo 1965 -1974
Iso Rivolta 1963 -1970
Iso S4 Fidia 1967 -1974
Iso Lele 1969 -1974
Oldsmobile Cutlass 1978 -1979
Oldsmobile Delta 88 1977 -1977
Oldsmobile Omega 1977 -1979
Oldsmobile Custom Cruiser 1977 -1977
Pontiac LeMans 1977 -1979
Pontiac Laurentian 1957 -1975
Pontiac Laurentian 1978 -1979
Pontiac Strato Chief 1958 -1970
Pontiac Parisienne 1959 -1974
Pontiac Parisienne 1978 -1979
Pontiac Grand LeMans 1976 -1979
Pontiac Phoenix 1977 -1979
Pontiac Ventura II 1971 -1972
Pontiac Firebird 1978 -1979
Pontiac Ventura 1971 -1973
Pontiac Ventura 1977 -1977
Pontiac Pathfinder 1957 -1958
Pontiac Acadian 1971 -1971
Studebaker Commander 1965 -1966
Studebaker Daytona 1965 -1966
Studebaker Cruiser 1965 -1966
Studebaker Base 1965 -1966
Studebaker Wagonaire 1966 -1966
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4.3 ★★★★★
Based on 2434 reviews
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Product Reviews
★★★★★ 4
Hose kinks.
Style: Standard Grip, Size: 100ft, Color: Chartreuse
I bought this hose 2 months ago and really like how light it is and easy to pull around the yard. However, I am having a problem with it kinking all of the time. It is really frustrating to have to go back and straighten it out when I am watering.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Excellent product.
Style: Standard Grip, Size: 50ft, Color: Chartreuse
I've dealt with many different brands of hoses, took into account quality and price. After many disappointing purchases I can finally say "I got the right one this time". It is exactly as advertised, lightweight, flexible and very easy to handle. You won't go wrong with Flexzilla garden hose!!!
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Reviewed in the United States on May 24, 2026
★★★★★ 5
There is no substitute to Flexzilla Hose
Style: Standard Grip, Size: 100ft, Color: Chartreuse, Style: Standard Grip, Size: 100ft, Color: Chartreuse
I absolutely love this hose! I purchased roughly 300 feet last year for use in my garden. It's extremely light and durable when you are dragging it around. For the most part it is kink free. If there does happen to be a kink down the line, a quick tug fixes the problem. No leaks, no shrinkage. Easy to install on any hydrant. DEFINITELY compact compared to other heavy hoses. The best part, it's super easy to coil it back up and hang in the tool shed. So I ordered a couple more 100 footers. I will definitely buy more.
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Reviewed in the United States on April 17, 2026
★★★★★ 1
PVC hose with high PHTHALATES, quickly develops black MOLD
Style: Standard Grip, Size: 3ft, Color: Chartreuse, Style: Standard Grip, Size: 3ft, Color: Chartreuse
TL, DNR
; PVC hose from Taiwan with a high level of toxic phthalates
; invaded by ineradicable sticky black mold in a few months
; the aluminum fitting can fuse to brass spigots by corrosion
; an unfriendly warranty, utterly distrustful of their customers.
UPDATE. By early 2026 none of the health risks associated with this hose have decreased and remain a matter of high concern, particularly under the light of medical studies of phthalate toxicity.
__
These are garden hoses produced by a company in Taiwan, which was listed in the past as a buyer of recycled plastic scrap. They are sourced by the marketer Weems Industries Inc. (IA), also doing business as Legacy Manufacturing Co., and sold under its Flexzilla brand.
MATERIAL.
The hyped "hybrid polymer" of Flexzilla hoses is just a plasticized polyvinyl chloride [PVC] compound. The hose consists of three layers. As described below, the analysis of a Flexzilla hose by a third-party professional lab discovered a high concentration of phthalate esters in all layers. Phthalates are toxic chemical additives widely used to make PVC flexible, and the lab finding indicates large amounts of PVC, even in the innermost layer touted as safe for water drinking.
WATER SAFETY.
In general, a PVC hose is much more likely to contain toxic contaminants (such as heavy metals, flame retardants, and phthalates) than a non-PVC hose, in particular when the PVC were recycled, and this is relevant to water safety. I did not find in the Legacy nor the Flexzilla website verifiable evidence supporting the PR pitch that the hoses are safe for water drinking. But in response to a 2017 customer query about water potability on the old Customer Q&A section --now later replaced by the 'ask Rufus' A-- Legacy claimed "the hose meets or exceeds the standards set by the National Sanitation Foundation" (amzn.to/2LCiKT6), which is a testing and certifying group that changed its name to NSF International more than 30 years ago.
Nonetheless, at the time of this review, the NSF website does not list Legacy, Weems, or Flexzilla among those with NSF-certified products. Since the Legacy's claim could have meant testing by another party for conformance to water health-effect standards, I further searched the Web for NSF/ANSI test reports of Flexzilla hoses. I did not find any. But what I found was the _Garden Hose Study 2016_ from the Ecology Center (MI), a 55-year-old independent organization that tested 200+ hoses, including a 50-ft 5/8" Flexzilla garden hose whose material is listed just as "PVC". Multiple phthalates were detected in all layers of the hose, so --contrary to Legacy's touts of safety-- the hose was rated "HIGH" for phthalates, and received the negative evaluation of a "high overall level of concern" (see my figure with such test results).
TOXICITY.
Phthalates are additives for softening the PVC's vinyl and making it flexible. They are soluble in water and not bound to the vinyl, so they can easily leach into the water or the surface of a PVC hose, quite particularly if the hose were heated up by the sun. Phthalates can break down and enter the body via contact with the skin, along with ingestion or inhalation, where they act as estrogen-like anti-androgens. Exposure to them has been linked to feminizing effects on males by acting as endocrine disruptors, being able to reduce testosterone levels and impact hormone-sensitive brain development. Medical research has linked phthalate exposure to reproductive problems (PMID: 32961939), breast cancers (PMID: 30995175), and cardiovascular disease (PMID: 37269565). In fact, a global study of April 2025 estimated that about 350K heart-disease deaths were caused in 2018 alone by one phthalate still in use for tubing and other flexible plastics, even though it has been reported to cause chronic inflammation of arteries including those in the heart. These and others phthalates are commonly present in numerous other products. Despite this, only seven of the many industrially produced phthalates are restricted in the US (15 US Code §2057c), but just in products for children under 3 years of age, and toys for under 12.
Be aware the current NSF/ANSI/CAN 61 standard does consider phthalates. This standard's purpose is to ensure that products and materials in contact with drinking water do not leach harmful contaminants into the water at unsafe levels, including phthalates. Further, all products sold in California containing any of a number of phthalates must display the Prop. 65 Warning: "this product contains one or more chemicals known to the State of California to cause cancer and birth defects or other reproductive harm", and Health & Safety Code notices of violation have been publicly filed against Legacy or Weems, or both, about phthalates in their products in that state. In spite of a clear familiarity with Prop. 65, Legacy did not disclose the warning on its Amazon webpages over several years. Further, Its reaction to queries about phthalates posted on the old Customer Q&A ranged from simply ignoring them, like a 2014 query (amzn.to/3cbugD9), to answers containing false claims that were never corrected, despite ample opportunity to do so, like its 2017 reply claiming the Flexzilla hose was "phathalate [sic] free" (amzn.to/2D5xQjT). Finally, perhaps relenting to criticism of non-transparent practices, in 2021 Legacy disclosed the Prop. 65 warning as a "Legal Disclaimer" above the Consumer Reviews section of this webpage. But even that was sloppily done -- in 6/2021, the warning did not appear if the 100-ft hose were selected; in 7/2022, it did not appear for the 50-ft, 75-ft, and 100-ft hoses; and in 1/2023, it again disappeared for the 100-ft hose. All diameter and length models of Legacy hoses deserve the toxicity warning.
MOLD.
Legacy claims the hose's outer layer "resists [...] mold". Nonetheless, about 4 months after I attached the new hose to a reel (so it was kept dry off the grass or any other wet surface), it began developing black mold, first only on its surface but later deeper. One of my attached pictures (taken after rubbing the hose with a dry paper towel to remove dirt) shows the initial surface mold, while its inset shows the same hose at the time it was installed. Not long after that, handling the black-moldy hose left sticky dark stains on my hand. This fungal invasion is neither an isolated nor a rare case, as evidenced by the large number of reviews here complaining about it (or as a "sticky goo" when touched).
Mold-invaded objects are a potential health risk, and mold development in the hose's inner surface is a _major_ water safety risk. Black mold can produce highly potent mycotoxins, trichothecenes, which can reach harmful levels depending on fungal strain and growing conditions, and it can also release millions of tiny spores causing lung, ocular, and skin reactions in sensitized persons. Plasticized PVC is susceptible to fungal attack since the additives serve as a nitrogen or carbon source. The hose needs to be flushed thoroughly to wash away the mold flecks in the standing water inside. With a melamine sponge, I could remove some mold on the surface but not deeper in the tube's wall or inside -- surface cleaning is but a temporary cosmetic fix: the mold returned even after I removed the hose from the spigot and kept it in the garage. This is shown in my third photo, taken some months after having removed the moldy hose (which was hung in position for the sake of taking the picture).
I contacted Legacy and spoke over the phone with a Tech Support agent, who told me, with the polite laconism recommended for legal cross-examinations, that the company does not deal with the mold invasion. After pressing the issue of health risks for my children, I was told "no mold was found in the inside of a moldy hose" Legacy claims to have cut open. Evidence of such a dissection or its results are not publicly available. In contrast, reviews here show the mold can indeed develop inside the hose. My opinion is that the company could hardly be more apathetic in relation to the potential health risk of the hoses it sells.
WARRANTY.
Its terms are customer-unfriendly. A defective hose would be replaced if you: [1] fill a form online ; [2] cut off both ends of the hose ; [3] cut off its defective part ; [4] cutoff the print band "Flexzilla by Legacy 5/8" ID Type 150 PSI W" on the hose, along with the 4-digit number ; and [5] mail the cut pieces to Legacy at your expense, along with [6] the proof of purchase and return mailing instructions.
The hose has aluminum fittings, but no warranty coverage is provided for the highly likely possibility of the fitting _fusing_ to the brass thread of typical US house spigots due to galvanic corrosion. According to the Legacy's Tech Support, but not affirmed by judicial opinion, the mold development is not covered by the warranty -- tough luck for customers who bought hoses that became Moldy Black, a color quite unlikely to be trademarked by Weems anytime soon. It is censurable that Legacy imitates the three legendary Japanese monkeys, albeit changing the proverb to SEE NO MOLD, HEAR NO MOLD, SPEAK NO MOLD, and it is fair to conclude Legacy considers the development of mold too frequent to be covered by its unfriendly, penny-pinching warranty.
~~
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Reviewed in the United States on May 6, 2017
★★★★★ 5
Looking and acting great!
Style: Standard Grip, Size: 50ft, Color: Red Clay
As I unpacked this hose, I was dubious about its likelihood of not kinking. I stretched it out and untwisted the packing condition and waited 24 hours. I was more encouraged when I placed it on the hose rack and careful to keep it untwisted. I've used it a couple of times and so far, I'm impressed. It has not kinked once on a patio with lots of twists and turns and lots of items to get tangled upon. There has been no leaking and good water flow. I was a bit disappointed to see that the connections were composite and not brass but I should have been a more careful reader. We shall see how it holds up in the blistering Arizona sun. I love the muted clay red color on my red brick patio.
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Reviewed in the United States on April 21, 2026