Page 490 - 2020-2021 Racecar Engineering Drag Racing Parts and Accessories Catalog

2020 DRAG RACING

Aluminum Layered Timing Cover Seals And Gaskets
Exhaust Manifold/Header Gaskets
Part No. Description
Manufactured from “dead Timing Cover Seals
Chevy Big Block, 1965-99 396-454, Metal Clad
soft” aluminum layers, MRG17 Chevy Small Block, 1955-96 262-400, Metal Clad
MRG18
gaskets have the ability to Chrysler Big And Small Block,
withstand intense heat and re- MRG781G 1957-91 318-360 “A”, 383-440 “B”/“RB”/Hemi
sist deteriorating. Gaskets are .125" thick, conform to surface irregularities Timing Cover Gaskets
Chevy Small Block, 1955-96 262-400, Cork/Rubber
MRG90
and compress down to .060" for a leak-proof seal. Sold per pair. MRG92 Chevy Small Block, 1955-96 262-400, Syntheseal
Part No. Description MRG93 Chevy Small Block, 1955-96 262-400, Composite
MRG7398G American Motors 304-401, 1970-79 MRG94 Chevy Big Block, 1965-99 396-454, Syntheseal
MRG7404G SB Chevy 350 LT1, D-Port, 1992-97 MRG790 Chrysler Small Block, 1967-91 318-360
MRG7412G BB Ford “FE” 352-390, 1958-77 MRG792G Ford Small Block, 1962-95 221-351W, Exc. 302 Boss
MRG7413G BB Ford 429-460, 1968-88 MRG793G Ford, 1970-82 351C, 351M-400
MRG7416G Oldsmobile 330-455, 1964-80 MRG795G Ford Big Block, 1968-88 429-460
MRG7418G Pontiac 326-455, 1963-79
MRG7427G SB Chrysler “Magnum” 318-360, 1992-03 Rear Main Seals
MRG7430G BB Chrysler “B”/”RB” 383-440, 1959-80
MRG7433G BB Chrysler 426 Hemi, 1966-71 Part No. Description
MRG1960 Chevy Small Block, 1975-86, Silicone Dual Lip
MRG1965 Ford Big Block, ’68-88 429-460; Olds Big Block, 1965-76 400-455
Valve Cover Gaskets
MRG1968 Chrysler Big Block, 1959-78 383-440, 426 Hemi
Mr. Gasket offers three MRG1969 Chevy Big Block, 1965-90
types of valve cover gaskets:
traditional, high-density Chevy Water Outlet Gaskets
cork/rubber, steel core Ultra-Seal, and steel core molded rubber. Part No. Description
MRG738G Chevy Small Block, 1955-88 262-400, Aluminum Carrier/Silicone Bead
Molded
Application Thk. Mr. Gasket Ultra-Seal Rubber MRG740 Chevy Small Block, 1955-88 262-400, Std. Material
American Motors, 1966-79 290-401 3/16" MRG875 — —
SB Chevy, 1958-86 265-400 3/16" MRG175 MRG5860 MRG5853G Collector And Header Muffler Gaskets
SB Chevy, 1958-86 265-400 3/16" — MRG585G* — Prevent exhaust leaks between the header and collector or
SB Chevy, 1958-86 265-400 5/16" MRG179 MRG5861 —
SB Chevy, 1958-86 265-400 5/16" — MRG5864 † — muffler. Gaskets fit Hedman, Hooker, Flowtech, and Dyno-
SB Chevy, 1986-96 305-350 3/16" MRG168 MRG5867 — max headers. Available in standard Mr. Gasket, MRG76
BB Chevy, 1965-90 396-454 3/16" MRG177 MRG5862 — Ultra-Seal and blow-out proof Copper Seal.
BB Chevy, 1965-90 396-454 5/16" MRG182 MRG5863 —
SB Chrysler, 1964-91 273-360 3/16" MRG379 MRG5876 — Standard bulk gaskets are sold individu-
BB Chrysler, 1963-78 383-440 3/16" MRG378 MRG5877 — ally. Ultra-Seal and Copper Seal gaskets
BB Chrysler, Indy Cylinder Head 1/16" MRG382 — — are sold in pairs.
BB Chrysler, 1964-71 426 Hemi 3/16" MRG374 — — MRG5980 MRG7176C
SB Ford, 1965-95 289-351W 3/16" MRG276 MRG5870 —
Bolt
Packaged
Bolt Standard Packaged
Ford, 1969-82 351C, 351-400 3/16" MRG274 MRG5871 — Applications Dia. Circle Hole Bulk Ultra-Seal Copper Seal
BB Ford, 1958-76 332-428 “FE” 3/16" MRG275 — —
BB Ford, 1968-88 429-460 3/16" MRG278 — — Hedman/Hooker/Others 2-1/2" 3-1/2" 3/8" MRG76 MRG5980 MRG7176C
Oldsmobile, 1964-76 330-455 3/16" MRG476 MRG5875 — Hedman/Hooker/Others 3" 3-7/8" 3/8" MRG1204 MRG5971 MRG7177C
Pontiac, 1964-76 326-455 3/16" MRG576 MRG5869 — Hedman/Hooker/Others 3-1/2" 4-7/16" 3/8" MRG1203 MRG5972 MRG7178C
*Molded rubber with steel carrier. †Clears relocated rocker studs and Jesel shaft assemblies. Note: Copper Seal gaskets may also be ordered individually by removing the “C” from the
end of the part number.
Cam Change
Gasket Kits
Kits include all of the gaskets
required to complete a cam-
shaft change.

MRG4400
Part No. Description
MRG4400 SB Chevy, 1959-74 262-400
MRG4403 SB Chevy, 1975-79 262-400
MRG4405 BB Chevy, 1965-90 396-454, Oval Port

Photo by: JohnnyB Imagery Jimmer Kline

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