PermaTorque Head Gaskets Performance Head Gaskets have a wire ring combustion seal inside the stainless steel armor for highly concentrated seal- ing within the combustion chamber. The wire ring squeezes the combustion seal between the head and the block three times greater than standard head gaskets and withstands combustion pressures up to 3,000 PSI. Gaskets are sold individually. SB Chevy 1955-97 262, 265, 267, 283, 302, 305, 307, 327, 350, 400 FEL1003* Iron/Alum. Head Apps., Exc. Alum. Blocks, 4.155" Max. 4.166" .041" 9.1cc FEL1004* Iron/Alum. Head Apps. 4.190" .041" 9.2cc FEL1010* Alum. Head Apps. Only, 4.155" Max. Bore 4.166" .039" 8.9cc FEL1014 Iron/Alum. Head Apps. 4.200" .039" 9.0cc FEL1034* Iron/Alum. Head Apps. 4.200" .041" 9.3cc FEL1036* Iron/Alum. Head Apps., Extra Thick, Extra Large Bore 4.250" .051" 11.9cc FEL1043* Small Chamber Aluminum Race/Some Vortec Heads Only 4.080" .039" 8.2cc FEL1044 Iron/Aluminum Head Apps., Extra Thick 4.200" .051" 11.2cc FEL1045 † Iron/Aluminum Head Apps., Severe Duty Applications 4.180" .039" 9.0cc FEL1074* 1992-97 LT-1/LT-4 Only, Corvette/Camaro/Firebird/Impala SS 4.125" .039" 8.7cc FEL1094* Iron/Aluminum Head Apps., Exc. 400, Extra Thin 4.100" .015" 3.2cc SB Chevy Generation III 1997-05 5.7 (346 Cu. In.) LS1,LS6 FEL1041 1997-03 5.7L LS1 Only, Corvette/Camaro/Firebird 4.135" .041" 9.4cc BB Chevy 1965-84 396, 402, 427, 454, 502 FEL1012 † Iron/Aluminum Head Apps., All With Round Bore, Up To 4.625" Bore 4.640" .039" 10.9cc FEL1017-1 Iron/Aluminum Head Apps., Exc. Gen. V/VI 4.540" .039" 10.5cc FEL1017-2 Iron/Aluminum Head Apps., Exc. Gen. V/VI, Extra Thick 4.540" .051" 13.7cc FEL1027 Aluminum Head Apps. Only, Exc. Gen. V/VI 4.370" .039" 9.7cc FEL1037 Iron/Aluminum Head Apps. Including Gen. V/VI 4.370" .039" 9.7cc FEL1047 Iron/Aluminum Head Apps. Including Gen. V/VI 4.540" .039" 10.5cc FEL1057 Iron/Aluminum Head Apps., Exc. Gen. V/VI 4.630" .039" 11.3cc FEL1067 Iron/Aluminum Head Apps. Including Gen. V/VI 4.630" .039" 11.3cc FEL1093 Iron/Aluminum Head/Pro Stock Apps. Round Bore, Exc. Gen. V/VI 4.620" .051" 13.9cc Part No. Application Gasket Bore Nom. Comp. Thick. Comp. Vol. FEL1104 4.590" .051" 13.7cc FEL1105 All Except 426 Hemi, Extra Thick, Extra Large Bore 4.590" .051" 13.7cc FEL1106 426 Hemi Only 4.340" .039" 9.5cc FEL1145 426 Hemi Only 4.365" .021" 5.0cc SB Ford 1962-93 260, 289, 302, 351W FEL1006 † Turbo/Nitrous/Supercharged Apps., Req. Rec. Groove, Round Bore 4.145" .039" 8.7cc FEL1011-1 All 1962-82 260-351W Applications 4.100" .041" 9.0cc FEL1011-2 All 1983-95 302-351W Applications 4.100" .039" 8.5cc FEL1021 302 SVO/351W SVO Only, All Exc. Large Overbore 4.100" .041" 9.2cc FEL1022 302 SVO/351W SVO Only, LH, Large Overbore 4.150" .041" 9.5cc FEL1023 302 SVO/351W SVO Only, RH, Large Overbore 4.150" .041" 9.5cc FEL1031L 302 SVO/351W SVO Only, LH, Lg. Overbore, Sm. Valve. Pockets 4.150" .041" 9.4cc FEL1031R 302 SVO/351W SVO Only, RH, Lg. Overbore, Sm. Valve Pockets 4.150" .041" 9.4cc FEL1046 302 SVO/351W SVO Only, XL Bore, Extra Thick 4.200" .051" 11.7cc FEL1156-1 SVO Block/Windsor Heads 4.100" .041" 9.0cc FEL1156-2 SVO Block/Windsor Heads 4.100" .039" 8.5cc Ford 1970-79 351C, 351 Boss, 351CJ, 351 SVO, 351M, 400 FEL1013 All Except 2V, Including 351C SVO 4.100" .041" 9.2cc BB Ford 1961-71 “FE” 352, 390, 406, 427, 428, 428CJ, 428SCJ FEL1020 All Except 352 4.400" .041" 10.1cc BB Ford 1968-87 429 (Except Boss), 460 FEL1018 All, No Steam Holes 4.500" .041" 11.2cc FEL1028 All, With Steam Holes 4.670" .041" 11.4cc Ford Pro Stock 500 FEL1099 D/E 460 Wedge Engine With 10-Bolt Pattern 4.660" .051" 14.2cc Oldsmobile 1968-76 400, 455 FEL1155 All 455 4.250" .039" 9.2cc Pontiac 1959-79 326, 350, 389, 400, 421, 428, 455 FEL1016 400, 421, 428, 455, Except 326 Or 350 4.300" .039" 9.4cc 426 Hemi, Extra Lg. Bore, Extra Thick * Gasket does not have steam holes for 400 street operation. † Requires a precision receiver groove machined in cylinder head. SB Chrysler 1964-89 “A” 273, 318, 340, 360 FEL1008 All 4.180" .039" 8.9cc BB Chrysler 1959-78 “B”/“RB” 361, 383, 400, 413, 426, 440 FEL1009 All Except 426 Hemi 4.410" .039" 9.9cc 4.590" .051" 13.7cc FEL1039 All Large Bore, Mods Required To Fit 426 Hemi
PermaTorque
PermaTorque MLS
PermaTorque MLS Head Gaskets Multi-Layer Steel (MLS) Head Gaskets withstand the greater combustion chamber pressures of high output engines. Full-hard stainless steel construction withstands “scrubbing” between the head and block, strategically placed sealing beads eliminate leak paths, and an extra strong “stopper” layer provides exceptional primary combustion sealing. Gaskets are sold individually.
Nom. Comp. Thick.
Gasket Bore
Comp. Vol.
Part No.
Application
SB Chevy 1955-97 262, 265, 267, 283, 302, 305, 307, 327, 350, 400 FEL1142
Iron/Alum. Head Apps. Inc. 400 4.100" .040" 9.0cc Iron/Alum. Head Apps. Exc. 400 4.100" .026" 5.7cc Iron/Alum. Head Apps. Inc. 400 4.165" .040" 9.2cc Iron/Alum. Head Apps. Inc. 400 4.200" .040" 9.3cc Iron/Alum. Head Apps. Inc. 400 4.200" .053" 12.0cc Iron/Alum. Head Apps. Inc. 400 4.200" .061" 13.9cc Iron/Alum. Head Apps. Inc. 400 4.200" .071" 16.1cc
FEL1142-026
FEL1143 FEL1144
FEL1144-053 FEL1144-061 FEL1144-071 FEL1144-2
SB2 With Symmetrical Cooling
4.200" .041" 9.3cc
SB Chevy Generation III 1997-05 5.7L LS1, LS6 FEL1160L-053 LH
3.945" .053" 10.6cc 3.945" .053" 10.6cc 4.100” .041” 8.9cc 4.100” .041” 8.9cc 4.100" .053" 11.5cc 4.100" .053" 11.5cc 4.200" .053" 12.0cc 4.200" .053" 12.0cc 4.380" .041" 10.6cc 4.380" .053" 13.7cc 4.580" .041" 11.2cc 4.580" .053" 14.5cc 4.640” .041” 11.4cc 4.640” .053” 14.8cc 4.735" .052" 14.9cc 4.100" .041" 9.0cc 4.100" .042" 9.2cc 4.100" .052" 10.8cc 4.175" .041" 9.2cc 4.180" .042" 9.4cc 4.180" .052" 11.0cc 4.200" .041" 9.4cc 4.210" .047" 10.9cc 4.210" .079" 18.1cc 4.200" .052" 12.3cc 4.100" .045" 9.7cc 3.630" .036" 6.1cc 3.630" .036" 6.1cc 4.210" .046" 10.6cc
FEL1160R-053 FEL1161L-041 FEL1161R-041 FEL1161L-053 FEL1161R-053 FEL26473L-053 FEL26473R-053
RH LH RH LH RH
LSX, LH Only LSX, RH Only
BB Chevy 1965-84 396, 402, 427, 454, 502 FEL1071 All
FEL1071-1 FEL1075 FEL1075-1
All All All All All
FEL1077-041 FEL1077-053 FEL1129-1
DRCE II Only
SB Chrysler 1964-89 "A" 273, 318, 340, 360 FEL1186 W9 Heads/Alum. Block SB Ford 1962-93 260, 289, 302, 351W FEL1133 All
FEL1133-SD-4 FEL1133-SD-5 FEL1134-SD-4 FEL1134-SD-5 FEL1135 FEL1135-1 FEL1135-079 FEL1134
All, Inc. Yates All, Inc. Yates All, Inc. Yates All, Inc. Yates All, Inc. Yates All, Inc. Yates All All
FEL1137 FEL1152
All All
Ford Modular 4.6L (281 Cu. In.) FEL1141L All, LH Only
FEL1141R
All, RH Only
Mitsubishi L4 2.0L DOHC & DOHC Turbo FEL1153-1 4G63/4G63-T, 1989-99
3.425" .055" 8.3cc
290
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