FORGED PISTONS
Chrysler 426 Hemi
Rod Length
Comp. Height
Wrist Pin Type
Comp. Ratio
Cubic Inch
Piston Ring Package
Part No.
Description
Stroke
Chrysler Big Block 426 Hemi - 4.280" Bore - Dome-Top JEP118758 Dome, +88cc Chrysler Big Block 426 Hemi, 4.290" Bore, Dome-Top JEP118759 Dome, +88cc
3.750" 6.860"
1.955"
P/F
10.2 @ 174cc 431 5/64", 5/64", 3/16"
3.750" 6.860"
1.955"
P/F
10.2 @ 174cc 433 5/64", 5/64", 3/16"
Chrysler Big Block 383 “B” & 440 “RB”
Rod Length
Comp. Height
Wrist Pin Type
Comp. Ratio
Cubic Inch
Piston Ring Package
Part No.
Description
Stroke
Chrysler Big Block 440 “RB” - 4.350" Bore - Dished-Top DIA52415-8 Dished, -13cc 4.150" 6.768"
1.865"
P/F
10.5 @ 80cc 493 1/16", 1/16", 3/16"
Chrysler Big Block 440 “RB” - 4.350" Bore - Flat- and Dome-Top SEAL2266F30 Flat-Top 1.094" Pin Dia. 3.750" 6.760" 1.991"
PRESS 8.8 @ 84cc PRESS 9.5 @ 84cc
446 5/64", 5/64", 3/16" 446 5/64", 5/64", 3/16" 445 1/16", 1/16", 3/16"
Flat-Top, 4 Reliefs, -7cc, 1.094" Pin Dia.
SEAL2355F30
3.750" 6.760" 3.750" 6.768" 3.750" 6.760" 3.750" 6.760"
2.061" 2.062" 2.029" 2.050"
SRP213455
Flat-Top, -6cc, 1.094" Pin Dia. Dome, +12.1cc 1.094" Pin Dia.
P/F P/F P/F
9.8 @ 84cc
SEAL2295AF30 WPTPTS531A3
10.5 @ 84cc 446 1/16", 1/16", 3/16"
Flat Top, +4cc
9.5 @ 84cc
446 1/16", 1/16", 3/16"
Chrysler Big Block 440 “RB” - 4.360" Bore - Flat-Top SRP213456 Flat-Top, -6cc, 1.094" Pin Dia. Chrysler Big Block 440 “RB” - 4.375" Bore - Flat-Top SRP213457 Flat-Top, -6cc, 1.094" Pin Dia.
3.750" 6.768"
2.062"
P/F
9.8 @ 84cc
447 1/16", 1/16", 3/16"
3.750" 6.768"
2.062"
P/F
9.9 @ 84cc
450 1/16", 1/16", 3/16"
P/F - PRESS-FIT / FLOATING
HYPEREUTECTIC PISTONS
Chrysler Big Block 383 “B”, 400 ”B”, 440 “RB”, 426 Hemi
Comp. Height
Wrist Pin Type
Comp. Ratio
Cubic Inch
Piston Ring Package
Part No.
Description
Stroke Rod Length
Hemi 392 (1957-58) - 4.030" Bore - Dome-Top KBPKB290.030 Dome, +22cc 383 “B” Engine - 4.280" Bore - Flat-Top KBPKB162.030 2 Reliefs, -8cc 383 “B” Engine - 4.290" Bore - Flat-Top KBPKB162.040 2 Reliefs, -8cc 383 “B” Engine - 4.280" Bore - Dome-Top KBPKB400.030 Dome, +0cc 400 “B” Engine - 4.372" Bore - Dome-Top KBPKB240.030 Dome, +8cc 426 Hemi - 4.280" Bore - Dome-Top KBPKB211.030 Dome, -90cc 440 “RB” Engine - 4.350" Bore - Flat-Top KBPKB237.030 2 Reliefs, -9cc 440 “RB” Engine - 4.360" Bore - Flat-Top KBPKB237.040 2 Reliefs, -9cc 440 “RB” Engine - 4.380" Bore - Flat-Top KBPKB237.060 2 Reliefs, -9cc 440 “RB” Engine - 4.350" Bore - Dome-Top KBPKB184.030 Dome, +3.5cc
3.900" 6.958"
1.940"
P/F
10.0 @ 104cc 398 5/64", 5/64", 3/16"
3.880" 6.358"
1.908"
P/F
8.8 @ 84cc
389 5/64", 5/64", 3/16"
3.880" 6.358"
1.908"
P/F
8.9 @ 84cc
391 5/64", 5/64", 3/16"
3.880" 6.358"
1.908"
P/F
9.2 @ 84cc
389 5/64", 5/64", 3/16"
3.880" 6.358"
1.908"
P/F
9.5 @ 84cc
406 5/64", 5/64", 3/16"
3.750" 6.860"
1.949"
P/F
10.0 @ 174cc 431 5/64", 5/64", 3/16"
3.750" 6.768"
2.067"
P/F
9.6 @ 84cc
446 5/64", 5/64", 3/16"
3.750" 6.768"
2.067"
P/F
9.6 @ 84cc
448 5/64", 5/64", 3/16"
3.750" 6.768"
2.067"
P/F
9.7 @ 84cc
452 5/64", 5/64", 3/16"
3.750" 6.768"
1.992"
P/F
9.3 @ 84cc
446 5/64", 5/64", 3/16"
P/F - PRESS-FIT / FLOATING
301 2021-22 ENGINE BUILDER CATALOG
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