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Description
Header Gaskets-Alum-Layered-396-454 Chevrolet Big Block Mark IV 1965-90 99153FLTOverview: FLOWTECH REAL SEAL header and collector gaskets are a revolutionary break through in exhaust sealing technology. Constructed of separate layers of "Dead Soft" aluminum, REAL SEALS provide a do it once solution that will not burn or blow out. REAL SEAL gaskets will work when an o ringed gasket won't because the "Dead Soft" aluminum conforms to create a leak proof seal. REAL SEALS can also be easily trimmed for port matching and you can use
Overview:
FLOWTECH REAL-SEAL header and collector gaskets are a revolutionary break-through in exhaust sealing technology. Constructed of separate layers of "Dead Soft" aluminum, REAL SEALS provide a do-it-once solution that will not burn or blow out. REAL-SEAL gaskets will work when an o-ringed gasket won't because the "Dead Soft" aluminum conforms to create a leak-proof seal. REAL-SEALS can also be easily trimmed for port-matching and
you can use them over and over again.
Features:
- Multi -Layer "Dead Soft" aluminum conforms to create a leak-proof seal.Water/Weather Resistant
- Re-Useable
- Will Not Burn Or Blow Out
- Suitable For Port-Matching
- Made In USA
Application:
- 1968-1986 Chevrolet C20 Suburban
- 1975-1990 Chevrolet G30
- 1968-1980 Chevrolet C10 Suburban
- 1975-1986 Chevrolet C30
- 1975-1986 Chevrolet C20
- 1979-1990 GMC C3500
- 1979-1990 GMC K3500
- 1966-1976 Chevrolet Impala
- 1966-1976 Chevrolet Caprice
- 1977-1986 Chevrolet K30
- 1966-1975 Chevrolet Bel Air
- 1966-1974 Chevrolet Corvette
- 1966-1973 Chevrolet Chevelle
- 1979-1986 GMC C2500
- 1979-1986 GMC C2500 Suburban
- 1969-1975 Chevrolet El Camino
- 1968-1974 Chevrolet K10 Pickup
- 1968-1974 Chevrolet K20 Pickup
- 1968-1974 Chevrolet K30 Pickup
- 1968-1974 GMC C15/C1500 Pickup
- 1968-1974 GMC C15/C1500 Suburban
- 1968-1974 GMC C25/C2500 Pickup
- 1968-1974 GMC C25/C2500 Suburban
- 1968-1974 GMC C35/C3500 Pickup
- 1968-1974 GMC K15/K1500 Suburban
- 1968-1974 GMC K25/K2500 Pickup
- 1968-1974 GMC K25/K2500 Suburban
- 1968-1974 GMC K35/K3500 Pickup
- 1966-1972 Chevrolet Biscayne
- 1968-1974 Chevrolet C10 Pickup
- 1968-1974 Chevrolet C20 Pickup
- 1968-1974 Chevrolet C30 Pickup
- 1970-1975 Chevrolet Monte Carlo
- 1975-1980 Chevrolet C10
- 1976-1980 Chevrolet K10
- 1968-1972 Chevrolet Camaro
- 1968-1972 Chevrolet K10 Suburban
- 1971-1975 GMC Sprint
- 1973-1976 GMC Jimmy
- 1975-1978 GMC C15
- 1975-1978 GMC C15 Suburban
- 1975-1978 GMC C25
- 1975-1978 GMC C25 Suburban
- 1975-1978 GMC C35
- 1987-1990 GMC R2500 Suburban
- 1987-1990 GMC R3500
- 1987-1990 GMC V3500
- 1976-1978 Chevrolet K20
- 1988-1990 Chevrolet K3500
- 1973-1975 Chevrolet Laguna
- 1973-1975 Chevrolet Malibu
- 1970-1972 Chevrolet Kingswood
- 1970-1972 Chevrolet Townsman
- 1988-1990 Chevrolet C3500
- 1976-1978 Chevrolet K5 Blazer
- 1988-1990 GMC G3500
- 1976-1978 GMC K25
- 1987-1989 GMC R2500
- 1973-1974 Chevrolet G20 Van
- 1973-1974 Chevrolet G30 Van
- 1969-1970 Chevrolet Nova
- 1968-1969 GMC K15/K1500 Pickup
- 1987-1988 Chevrolet R20
- 1987-1988 Chevrolet R20 Suburban
- 1989-1990 Chevrolet R2500 Suburban
- 1987-1988 Chevrolet R30
- 1989-1990 Chevrolet R3500
- 1987-1988 Chevrolet V30
- 1989-1990 Chevrolet V3500
- 1979-1980 GMC C1500
- 1979-1980 GMC C1500 Suburban
- 1975-1976 GMC G25
- 1976-1977 GMC K25 Suburban
- 1973 Chevrolet Blazer
- 1972 Chevrolet Brookwood
- 1976 Chevrolet G20
- 1968 Chevrolet Chevy II
- 1990 Chevrolet C1500
- 1989 Chevrolet R2500
- 1976 GMC G35
- 1976 GMC K15
- 1980 GMC K1500
Specs:
| Brand | Flowtech |
|---|---|
| Collector Gaskets Included | No |
| Emission Code | 5 |
| Engine | Big Block Chevy |
| Gasket Line | MLS |
| Material | Aluminum |
| Port Shape | Round |
| Port Size | 2.15" |
| Product Type | Header Gaskets |
| Thickness | .125" |
| Type of Component | Exhaust Gaskets |
| 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
4.9 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Verify your engine size! 17220-5AA-A00 filter for 1.5 liter turbo. 2.0 uses different filter.
Size: 17220-5AA-A00
17220-5AA-A00 for the 1.5 turbo engine (we have a 2017 Civic EX-T), 2 pack of filters, use 1 at a time so 2 intervals, about 15k-30k miles per interval, it's about 30k-60k miles worth of air filter.
Works as it should, fits, compatible, nothing fancy, does its job.
For the turbo it's a few screws or nuts (use the socket, less chance of stripping, don't over tighten when you put the cover back on), front of engine compartment, you could do this while dressed in fancy clothing.
First mechanical thing that I had our son do, I gave him guidance, literally the first time he popped the hood. Took maybe 10 minutes, and that was him being careful and being new to using tools.
I'm not a professional but I work on our vehicles, have done a bit more than basic maintenance. This air filter replacement procedure is as straightforward as they get.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026
★★★★★ 4
Filter fit perfectly.
Size: 17220-5LA-A00
It fit, so that was my first concern in buying this as the price was low for a 2-pk. I bought it since it said good for 24,000 miles whereas another I was considering was only 12,000. I know I went more than twice that so will see how it holds up. Coming from a brand I never heard of, but what was available on Amazon.
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Reviewed in the United States on March 5, 2025
★★★★★ 5
Nice price
Size: 28113L1000
Nice price for 2 pack. Perfect for my 2024 hyundai santa cruz. Easy to install.
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Reviewed in the United States on March 28, 2026
★★★★★ 5
2 pack is a good value.
Size: 17801-0D060
Perfect fit. As described.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 5
Great
Good quality and price. Perfect size fit. Easy to install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026