Page 485 - 2017 Racecar Engineering Circle Track Parts and Accessories Catalog
P. 485
ULTRA-SEAL INTAKE MANIFOLD GASKETS
HEAD GASKETS Mr. Gasket offers two differ-
Ultra-Seal Head Gaskets’ flexible graphite ent types of Intake Manifold
core is elastomer coated for maximum seal- Gaskets; traditional Mr. Gasket
ing and performance. All gaskets are sold in cellulose/nitrile material and
pairs unless specified. Ultra-Seal cellulose/nitrile
Gasket Comp. material with the addition of
Application Description Bore Thickness Part No. silicone beading around each port.
SB Chevy, 1957-96 283-350 Graphite Core 4.100" .028" MRG1134G* Application Port Dim. Thk. Mr. Gasket Ultra-Seal
SB Chevy, 1957-96 283-350 Graphite Core 4.130" .038" MRG5800G* Chevy Small Block 262-400
SB Chevy, 1970-80 400 Graphite Core 4.190" .038" MRG5801G
* Does not fit 1992-96 LT-1. 1955-67 265-283 1.20" x 1.87" 1/16" MRG100 –
1955-91 262-400 1.25" x 2.00" 1/16" MRG101B MRG5820
Vortec 1.31" x 2.37" 1/8" MRG136G –
SB CHEVY STEEL Modified Stock Port 1.31" x 2.10" 1/16" MRG101G –
SHIM HEAD GASKETS Modified Stock Port 1.31" x 2.10" 1/8" MRG106 –
MRG1130G Small Race Port 1.25" x 2.13" 1/16" – MRG5821
Coated, steel shim head gaskets fit 4.100" Medium Race Port 1.31" x 2.19" 1/16" MRG102G MRG5822
bore and are only .020" thick to maximize Medium Race Port 1.31" x 2.19" 1/8" MRG116 MRG5812
compression. Sold in pairs. Large Race Port 1.31" x 2.31" 1/16" MRG111 MRG5823
Large Race Port 1.31" x 2.31" 1/8" MRG113 MRG5813
MULTI-LAYER X-Large Race Port 1.38" x 2.38" 1/16" – MRG5824
STEEL HEAD GASKETS 18° Roll Over 1.35" x 2.26" 1/16" MRG143 –
Mr. Gasket's multi-layer steel (MLS) Ford Small Block 221-351W
head gaskets are ideal for supercharged, 1962-76 221-302,
turbo-charged, nitrous oxide and extreme Except Boss 1.20" x 2.13" 1/16" MRG203G MRG5831
compression ratios. High-grade layers 1962-76 221-302,
of stainless steel are tempered to relax Except Boss 1.20" x 2.13" 1/8" MRG213 –
stress for proper torque retention and coated with a premium elastomer coat- 1986-95 302 (5.0L) EFI 1.25" x 2.11" 1/16" MRG148 MRG5835
ing for long lasting resistance to chemicals. Sold each. 1969-74 351W 1.21" x 2.26" 1/16" MRG210 MRG5832
Application Bore Thickness Part No. 1977-97 351W 1.25" x 2.11" 1/16" MRG223 MRG5834
SB Chevy, 1955-91 283-350 4.060" .040" MRG3130G
SB Chevy, 1955-91 283-400 4.125" .040" MRG3131G
SB Chevy, 1955-91 283-400 4.165" .040" MRG3132G EXHAUST MANIFOLD/HEADER GASKETS
SB Chevy, 1955-91 283-400 4.200" .040" MRG3133G Traditional Mr. Gasket exhaust gaskets are a high temperature acrylic
SB Ford 260-351W, 1962-97 4.030" .040" MRG3175G blend – exceptional sealing and durability. Ultra-Seal exhaust gaskets are high
SB Ford 260-351W, 1962-97 4.100" .040" MRG3176G temperature steel core/graphite faced material for added durability. Copper
Seal gaskets are dead soft .043" thick embossed copper that will never blow-
OIL PAN GASKETS out and may be used over and over. New aluminum gaskets will not shrink,
Mr. Gasket oil pan gaskets use a deteriorate or blow-out.
high density cork/rubber blend for
effective sealing. Ultra-Seal gaskets Ultra-Seal
are made from a cellulose/nitrile
compound with a black latex rubber coating for added durability. Mr.Gasket Copper Seal
Application Mr. Gasket Ultra-Seal Aluminum
SB Chevy, 1955-74 265-400 MRG196/MRG190* MRG5884 †
SB Chevy, 1975-79 262-400 MRG198 MRG6560** Ultra Copper
SB Chevy, 1980-86 305-350 – MRG5882/MRG6560** Application Port Dim. Mr. Gasket Seal Seal Aluminum
SB Chevy, 1987-96 305-350 – MRG5885/MRG6561** Chevrolet Small Block 262-400
SB Ford, 1962-85 221-302 – MRG5890/MRG6683** 1955-91 Med. Square Port 1.45" x 1.55" MRG150A MRG5901 MRG7153 –
SB Ford, 1969-92 351W – MRG5891 1955-91 Sm. Square Port 1.45" x 1.48" MRG150C MRG5900 MRG7151 MRG7401G
* Cork/Rubber. ** Molded rubber.
† Includes early/thin and late/thick front oil pan seals 1955-91 Stock Square Port 1.25" x 1.30" MRG6452 MRG5916 – –
Round Port 1.50" Dia. MRG150B MRG5907 MRG7150 –
1.63" Dia.
Round Port
SB CHEVY REAR MAIN SEAL Brodix “D” Shaped Port 1.55" x 1.71" MRG150 MRG5902 MRG7152G MRG7402G
MRG5903
–
–
–
MRG1960 Hooker/Stahl Adapter Plate 1.93" Dia. – MRG5904 – –
Two-piece design seal fits all 1959-86 small block Chevy Hooker Rev. Plate/Stock 1.61" x 1.85" – MRG5908 – –
engines and features a silicone, dual lip design. Brodix Spread Port 1.65" x 1.60" – MRG5906 – –
Oval Port Header Flange 1.50" x 1.82" – MRG5917 – –
CHEVY WATER OUTLET GASKETS Ford Small Block 221-351W
Part No. Description 1962-86 260-351W 1.12" x 1.48" MRG253 MRG5930 MRG7160 –
Chevy Small Block, 1955-88, 1987-95 302-351W Oval 1.25" x 1.75" MRG264G MRG5928 MRG7161 –
MRG738G
262-400, Aluminum Carrier/Silicone Bead
Chevy Small Block,
MRG740 1955-88, 262-400, Standard Material
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