OEM REPLACEMENT BEARINGS
Chrysler Small Block
Federal Mogul
Description
Clevite
Dura-Bond
318, 340, 360
Main Bearings 318, 1957-1973 Main Bearings 318, 1974-2003
M77MS540P
SEA4923MA
— — — — — — —
M77MS1344P SEA5095MA
Main Bearings, 318/5.2L, 3/4 Grooved 1967-87
— SEA5024MA
Main Bearings 340, 1968-1973 Main Bearings 360, 1971-1973 Main Bearings 360, 1974-2003
M77MS963P M77MS1051P
SEA4923MA
M77MS540P
—
M77MS1266P SEA4999MA
Rod Bearings
M77CB481P M77SH875S M77SH1112S
SEA2130CP
Cam Bearings, 318, (1957-78)/340 (1968-73) /360 (1971-78)
SEA1451M DURPD-16 SEA1484M DURPD-25
Cam Bearings 318 & 360, (1979-2003)
FORGED PISTONS
Chrysler Small Block
Rod Length
Comp Height
Wrist Pin Type
Comp Ratio
Cubic Inch
Piston Ring Package
Part No.
Description
Stroke
340 - 4.070" Bore - Flat-Top SEAL2316F30
Flat-Top, -7cc Flat-Top, -5cc
3.313" 6.123" 3.313" 6.125"
1.840" 1.804"
P/F P/F
9.7 @ 68cc 9.3 @ 68cc
345 5/64", 5/64", 3/16" 345 1/16", 1/16", 3/16"
SRP142068
340 - 4.080" Bore - Flat-Top SEAL2316F40 340 - 4.100" Bore - Flat-Top DIA51013-8 360 - 4.030" Bore - Flat-Top SRP142069 360 - 4.030" Bore - Dished-Top SRP220156 SEAL2315NF30
Flat-Top, -7cc
3.313" 6.123"
1.840"
P/F 10.35 @ 63cc/ 9.46 @ 71cc 345 5/64", 5/64", 3/16"
2 Reliefs, -6.8cc
4.000" 6.123"
1.457"
P/F
11.0 @ 65cc 418 1/16", 1/16", 3/16"
Flat-Top, -5cc
3.580" 6.125" 3.375" 6.358"
1.670" 1.920"
P/F
9.8 @ 68cc
365 1/16", 1/16", 3/16" 389 5/64", 5/64", 3/16"
Flat-Top, 1.094" Pin Dia.
PRESS 9.3 @ 84cc
Dished, -16.9cc Dished, -16.9cc
4.000" 6.125" 4.000" 6.125"
1.460" 1.460"
P/F P/F
9.7 @ 68cc 9.8 @ 68cc
408 1/16", 1/16", 3/16" 410 1/16", 1/16", 3/16"
SRP220157
HYPEREUTECTIC PISTONS
Chrysler Small Block 318/340/360 & Magnum 5.2L/5.9L
Rod Length
Comp Height
Wrist Pin Type
Comp Ratio
Cubic Inch
Piston Ring Package
Part No.
Description
Stroke
318 - 3.940" Bore - Flat-Top KBPKB167.030 318 - 3.940" Bore - Dome-Top KBPKB399.030 Dome, +6cc 340 - 4.070" Bore - Flat-Top KBPKB243.030 2 Reliefs, -6cc 340 - 4.080" Bore - Flat-Top KBPKB243.040 2 Reliefs, -5cc 2 Reliefs, -6cc 360 - 4.030" Bore - Flat-Top KBPKB107.030 360 - 4.040" Bore - Flat-Top KBPKB107.040 2 Reliefs, -5cc 2 Reliefs, -5cc
3.310" 6.123" 1.810"
P/F
9.6 @ 64cc
323
5/64", 5/64", 3/16"
3.310" 6.123" 1.810"
P/F
11.0 @ 64cc
323
5/64", 5/64", 3/16"
3.310" 6.123" 1.840"
P/F
10.0 @ 64cc
345
5/64", 5/64", 3/16"
3.310" 6.123" 1.840"
P/F
10.0 @ 64cc
346
5/64", 5/64", 3/16"
3.580" 6.123" 1.675"
P/F
10.6 @ 64cc
365
5/64", 5/64", 3/16"
3.580" 6.123" 1.675"
P/F
10.7 @ 64cc
367
5/64", 5/64", 3/16"
273 2021-22 ENGINE BUILDER CATALOG
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