SKU: 83536647917

Mr. Gasket Ultra-Seal Head Gasket 283-400 Chevrolet Small Block GenI 57-91 5801G

$46.24 $51.38
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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14

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Description

Mr. Gasket Ultra-Seal Head Gasket 283-400 Chevrolet Small Block GenI 57-91 5801GOverview: Mr. Gasket Ultra Seal Head Gaskets are a five layer (graphite core perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads,

Overview:

Mr. Gasket Ultra-Seal Head Gaskets are a five layer (graphite core/perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn-out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads, they will not brinell (indent) aluminum cylinder heads. Suitable for high performance street, drag race and oval track use. Sold individually.

Gasket Bore 4.190 inch, Compressed thickness 0.038 inch

Features:

  • Five layer (graphite core/perforated steel outer layers) composite construction
  • Graphite core has excellent thermo-conductivity-transfers heat away from hot spots in head preventing gasket burn-out
  • Provides excellent stability, compressibility and high temperature endurance
  • Coated with high temperature silicone to ensure sealing of engine fluids
  • Will not brinell (indent) aluminum cylinder heads
  • For high performance street, drag race and oval track use

Application:

Year Make Model Submodel Engine Size
1970 - 1976 Chevrolet El Camino 400/6.6 V8
1976 Chevrolet G10 400/6.6 V8
1970 - 1976 Chevrolet Monte Carlo 400/6.6 V8
1970 - 1972 Chevrolet Townsman 400/6.6 V8
1974 - 1976 GMC Sprint 400/6.6 V8
1972 - 1975 Pontiac Bonneville 400/6.6 V8
1967 - 1975 Pontiac Catalina 400/6.6 V8
1972 - 1974 Pontiac Firebird 400/6.6 V8
1974 - 1975 Pontiac Grand Am 400/6.6 V8
1973 - 1975 Pontiac LeMans 400/6.6 V8
1979 - 1980 GMC K2500 400/6.6 V8
1975 - 1978 GMC K25 Suburban 400/6.6 V8
1979 - 1980 GMC K2500 Suburban 400/6.6 V8
1970 - 1972 Chevrolet Biscayne 400/6.6 V8
1970 - 1972 Chevrolet Brookwood 400/6.6 V8
1970 - 1976 Chevrolet Caprice 400/6.6 V8
1976 - 1978 GMC C15 400/6.6 V8
1979 - 1980 GMC C1500 400/6.6 V8
1976 - 1978 GMC C25 400/6.6 V8
1979 GMC C2500 400/6.6 V8
1978 GMC C25 Suburban 400/6.6 V8
1976 GMC G15 400/6.6 V8
1979 GMC G1500 400/6.6 V8
1975 - 1978 GMC G25 400/6.6 V8
1979 - 1980 GMC G2500 400/6.6 V8
1975 - 1978 GMC G35 400/6.6 V8
1979 - 1980 GMC G3500 400/6.6 V8
1975 - 1979 GMC Jimmy 400/6.6 V8
1975 - 1978 GMC K15 400/6.6 V8
1979 - 1980 GMC K1500 400/6.6 V8
1975 - 1978 GMC K15 Suburban 400/6.6 V8
1979 - 1980 GMC K1500 Suburban 400/6.6 V8
1975 - 1978 GMC K25 400/6.6 V8
1980 GMC C2500 Suburban 400/6.6 V8
1976 - 1978 GMC C35 400/6.6 V8
1979 GMC C3500 400/6.6 V8
1977 - 1978 GMC K35 400/6.6 V8
1979 - 1980 GMC K3500 400/6.6 V8
1975 Oldsmobile Custom Cruiser 400/6.6 V8
1975 Oldsmobile Delta 88 400/6.6 V8
1975 Pontiac Grand LeMans 400/6.6 V8
1975 Pontiac Grandville 400/6.6 V8
1975 Pontiac Grand Prix 400/6.6 V8
1970 - 1975 Chevrolet Bel Air 400/6.6 V8
1975 - 1980 Chevrolet G20 400/6.6 V8
1975 - 1980 Chevrolet G30 400/6.6 V8
1970 - 1976 Chevrolet Impala 400/6.6 V8
1975 - 1980 Chevrolet K10 400/6.6 V8
1975 - 1979 Chevrolet K10 Suburban 400/6.6 V8
1975 - 1980 Chevrolet K20 400/6.6 V8
1975 - 1980 Chevrolet K20 Suburban 400/6.6 V8
1977 - 1980 Chevrolet K30 400/6.6 V8
1974 - 1976 Chevrolet Laguna 400/6.6 V8
1974 - 1976 Chevrolet Malibu 400/6.6 V8
1975 - 1979 Chevrolet K5 Blazer 400/6.6 V8
1970 - 1972 Chevrolet Kingswood 400/6.6 V8
1972 Chevrolet Caprice 402/6.6 V8
1970 - 1971 Chevrolet Chevelle 400/6.6 V8
1976 - 1980 Chevrolet C10 400/6.6 V8
1976 - 1980 Chevrolet C20 400/6.6 V8
1976 - 1980 Chevrolet C20 Suburban 400/6.6 V8
1976 - 1978 Chevrolet C30 400/6.6 V8

Specs:

Application Small Block Chevy
Brand Mr. Gasket
Compressed Thickness .038 inch
Compression Ratio Up to 14:1
Emission Code 5
Engine Chevrolet Small Block Gen I
Gasket Bore 4.190 inch
Gasket Line Ultra-Seal
Material Graphite Steel
Packaging Retail
Product Type Head Gasket
Quantity Per Pkg. 1
Warranty Limited 90 Day
Weight 0.5
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 83536647917

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4.1 ★★★★★
Based on 10 reviews
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Product Reviews
D
Verified Purchase
Dime-Sized Dame
Waukegan, US
★★★★★ 5
Had for just over 9 years now and still pretty solid
Color: Black
I ordered this chair back in December 2015 for our front office, and it's been moved to our back shop where we fabricate. We're not a gentle work space by any stretch of the imagination; we build stuff and it's messy, lots of tools etc. This chair has held up surprisingly well! The faux leather is delaminating almost entirely on the seat but honestly, I'd expect that for faux leather on something that is used daily. The seat pad, in my opinion, has gotten de-poofed. So it's not plush anymore but still usable. I've asked the guy that's using it if they want an upgrade/update and they said they like it and don't want to change it out just yet. That's saying something! The size is nice and wide. We've had a range of differently sized folks sit in the chair over the years and the seat was always comfortable (less now without so much seat poof), I was able to sit cross-legged and the whole chair felt sturdy then as it does now. All of the standards functions you'd want an office chair to do, it can still do: it goes up and down smoothly, it rolls just fine, it's still pivot-reclines comfortably and doesn't feel like it's going to topple. I like it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 15, 2026
A
Verified Purchase
Amazon Customer
Lake Worth, US
★★★★★ 4
Good enough
Color: Black
Comfortable chair. Easy to put together. Allen nuts aren't cut perfectly so sometimes hard to get the wrench in there. My biggest complaint, and I didn't even realize this until I sat down in it, the arm rests are not adjustable and they are a little short for my liking.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026
B
Verified Purchase
Brandon Odonnell
Natrona Heights, US
★★★★★ 5
I love it!
Color: Black
This chair is so comfy! I also love that it goes up super high (as a tall man it's nice to have the kicking my feet sensation... Lol). It's wider than I imagined and it the first chair with arms that I can fit in as an almost 500 pound dude. The lumbar support is nice and also adjustable, too. The wheels are high quality and move you fast. It was pretty easy to put together, but deff get help from someone to hold pieces in place
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 22, 2026
S
Verified Purchase
SE
Port Orchard, US
★★★★★ 5
Sturdy chair
Color: Black
Sturdy. And comfortable. The box had a hole kicked in bottom ,had been retaped many times abd yet was ripped on multiple areas. Coming from Asia does that.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
P
Verified Purchase
Paul P.
San Leandro, US
★★★★★ 5
Very sturdy and well worth the price!
Color: Black
First, my chair arrived faster than I expected! It was delivered in a well packed box and everything was plainly marked! It assembled very easily as per the instructions. The only thing I would recommend is to have another person available to assist with the installation of the back rest onto the chair. It gets kind of cumbersome for one person, although I did it myself… another tip start all screws before tightening, especially with the arms and the back rest cushion! It only took me about 25–30 minutes to do the whole thing by myself.. The materials are of good quality, very sturdy and I really like the dual casters as they glide on the floor really nice! Well, worth the price!!! Mike P
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026

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